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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
FORM 10-K
(Mark One)
     
þ   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2009
OR
     
o   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from N/A to N/A
Commission file number: 0-10961
QUIDEL CORPORATION
(Exact name of registrant as specified in its charter)
     
DELAWARE   94-2573850
(State or other jurisdiction of   (I.R.S. Employer Identification No.)
incorporation or organization)    
     
10165 McKellar Court   92121
San Diego, California   (Zip Code)
(Address of principal executive offices)    
858-552-1100
(Registrant’s telephone number, including area code)
Not Applicable
(Former name, former address and former fiscal year, if changed since last report)
Securities registered pursuant to Section 12(b) of the Act:
     
Title of each class   Name of each exchange on which registered
     
Common stock, $0.001 par value   Nasdaq Global Market
and accompanying purchase rights    
Securities registered pursuant to Section 12(g) of the Act: None
     Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes o No þ
     Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes o No þ
     Indicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes þ No o
     Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes o No o
     Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. þ
     Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.
             
Large accelerated filer o   Accelerated filer þ   Non-accelerated filer o (Do not check if a smaller reporting company)   Smaller reporting company o
     Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No þ
     The aggregate market value of the registrant’s common stock held by non-affiliates of the registrant was $366,656,334 based on the closing sale price at which the common stock was last sold, as of the last business day of the registrant’s most recently completed second fiscal quarter.
     As of February 22, 2010, 28,906,638 shares of the registrant’s common stock were outstanding.
DOCUMENTS INCORPORATED BY REFERENCE
(To the Extent Indicated Herein)
     Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission in connection with the registrant’s 2010 Annual Meeting of Stockholders (to be held on May 12, 2010) are incorporated by reference into Part III, Items 10, 11, 12, 13 and 14 of this Annual Report on Form 10-K.
 
 


TABLE OF CONTENTS

Part I
Item 1. Business
Item 1A. Risk Factors
Item 1B. Unresolved Staff Comments
Item 2. Properties
Item 3. Legal Proceedings
Item 4. Submission of Matters to a Vote of Security Holders
Part II
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
Item 6. Selected Financial Data
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operation
Item 7A. Quantitative and Qualitative Disclosures About Market Risk
Item 8. Financial Statements and Supplementary Data
Part III
Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure
Item 9A. Controls and Procedures
Item 9B. Other Information
Item 10. Directors, Executive Officers and Corporate Governance
Item 11. Executive Compensation
Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
Item 13. Certain Relationships and Related Transactions, and Director Independence
Item 14. Principal Accountant Fees and Services
Part IV
Item 15. Exhibits and Financial Statement Schedules
SIGNATURES
EX-3.1
EX-21.1
EX-23.1
EX-31.1
EX-31.2
EX-32.1


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A Warning About Forward-Looking Statements
     This Annual Report on Form 10-K contains forward-looking statements within the meaning of the federal securities laws that involve material risks, assumptions and uncertainties. Many possible events or factors could affect our future financial results and performance, such that our actual results and performance may differ materially from those that may be described or implied in the forward-looking statements. As such no forward-looking statement can be guaranteed. Differences in actual results and performance may arise as a result of a number of factors including, without limitation, seasonality, the timing of onset, length and severity of cold and flu seasons, the level of success in executing on our strategic initiatives, our reliance on sales of our influenza diagnostic tests, uncertainty surrounding the detection of novel influenza viruses involving human specimens, our ability to develop new products and technology, adverse changes in the competitive and economic conditions in domestic and international markets, our reliance on and actions of our major distributors, technological changes and uncertainty with research and technology development, including any future molecular-based technology, the medical reimbursement system currently in place and future changes to that system, manufacturing and production delays or difficulties, adverse regulatory actions or delays in product reviews by the U.S. Food and Drug Administration (the “FDA”), compliance with FDA and environmental regulations; our ability to meet unexpected increases in demand for our products, our ability to execute our growth strategy, including the integration of new companies or technologies, disruptions in the global capital and credit markets, our ability to hire key personnel, intellectual property, product liability, environmental or other litigation, potential required patent license fee payments not currently reflected in our costs, potential inadequacy of booked reserves and possible impairment of goodwill, and lower than anticipated acceptance, sales or market penetration of our new products. Forward-looking statements typically are identified by the use of terms such as “may,” “will,” “should,” “might,” “expect,” “anticipate,” “estimate,” and similar words, although some forward-looking statements are expressed differently. Forward-looking statements in this Annual Report include, among others, statements concerning: our outlook for the upcoming fiscal year, including projections about our revenue, gross margins and expenses, projected capital expenditures for the upcoming fiscal year and our source of funds for such expenditures; the sufficiency of our liquidity and capital resources; the expected outcome of legal proceedings we are involved in; our levels of future warranty expenses, research and development expenses and sales and marketing activities; the future impact of deferred tax assets or liabilities; the expected vesting periods of unrecognized compensation expense; and our intention to continue to evaluate acquisition licensing opportunities. The risks described under “Risk Factors” in Item 1A of this Annual Report and elsewhere herein and in reports and registration statements that we file with the Securities and Exchange Commission (the “SEC”) from time to time, should be carefully considered. You are cautioned not to place undue reliance on these forward-looking statements, which reflect management’s analysis only as of the date of this Annual Report. The following should be read in conjunction with the audited Consolidated Financial Statements and Notes thereto beginning on page F-1 of this Annual Report. We undertake no obligation to publicly release the results of any revision or update of these forward-looking statements, except as required by law.
Part I
Item 1.   Business
     All references to “we,” “our,” and “us” in this Annual Report refer to Quidel Corporation and its subsidiaries.
Overview
     We commenced our operations in 1979 and launched our first products, dipstick-based pregnancy tests, in 1984. Our product base and technology platforms have expanded through internal development and acquisitions of other products, technologies and companies.
     We have a leadership position in the development, manufacturing and marketing of diagnostic testing solutions. These diagnostic testing solutions primarily include applications in infectious diseases and reproductive and women’s health. We sell our products directly to end users and distributors, in each case, for professional use in physician offices, hospitals, clinical laboratories, reference laboratories, leading universities, retail clinics and wellness screening centers.
     We market our products in the U.S. through a network of national and regional distributors, and a direct sales force. Internationally, we sell and market primarily in Japan, Europe and the Middle East through exclusive distributor arrangements.
     We are a corporation, incorporated in the State of Delaware. Our executive offices are located at 10165 McKellar Court, San Diego, California 92121, and our telephone number is (858) 552-1100. This Annual Report and each of our other periodic and current reports, including any amendments thereto, are available, free of charge, on our website,

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www.quidel.com, as soon as reasonably practicable after such material is electronically filed with or furnished to the SEC. The information contained on our website is not incorporated by reference into this Annual Report and should not be considered part of this Annual Report. In addition, the SEC website contains reports, proxy and information statements, and other information about us at www.sec.gov.
Recent Developments
     On February 19, 2010, we acquired Diagnostic Hybrids, Inc. (“DHI”) a privately-held, in vitro diagnostics (“IVD”) company, based in Athens, Ohio, that is a market leader in the manufacturing and commercialization of FDA-cleared direct fluorescent IVD assays used in hospital and reference laboratories for a variety of diseases, including viral respiratory infections, herpes, Chlamydia and other viral infections, and thyroid diseases. DHI reported revenues of approximately $51.0 million and $5.9 million in net income for their fiscal year 2009. DHI’s direct sales force serves over 700 North American customers, and its products are sold via distributors outside the United States. Their products are offered under various brand names including, ELVIS®, R-Mix™, Mixed Fresh Cells™, FreshCells™, ReadyCells™ and Thyretain™. We paid approximately $130.0 million in cash to acquire DHI.
Business Strategy
     Our primary objective is to expand our leadership position in the markets we serve. Our diagnostic testing solutions are designed to provide specialized results that serve various customer needs, including reduction of cost, increased test accuracy, and reduced time to result, thus creating a diagnostic continuum in the in vitro diagnostic market. This diagnostic continuum relative to our strategy is comprised of three parts: 1) lateral flow immunoassay tests; 2) direct fluorescent assays (DFA) and culture-based tests; and 3) molecular diagnostic tests.
     The critical elements required to accomplish our primary objective include the following:
    continue to focus our research and development efforts on three areas: 1) new proprietary product platform development, 2) the creation of improved products and new products for existing markets and unmet clinical needs, and 3) pursuit of collaborations with other companies for new and existing products and markets that advance our differentiated strategy;
 
    provide clinicians with validated studies that encompass the clinical efficacy and economic efficiency of our diagnostic tests for the professional market;
 
    continue to focus on strengthening our market and brand leadership in infectious diseases and reproductive and women’s health by acquiring, developing and introducing clinically superior diagnostic solutions;
 
    drive growth by strengthening our direct sales force to assure physician and laboratorian satisfaction through direct relationships with Integrated Delivery Networks, laboratories and hospitals;
 
    support payer evaluation of diagnostic tests and establishment of favorable reimbursement rates;
 
    continue creation of strong global alliances to assure leadership in key markets and expand our presence in emerging markets; and
 
    drive profit through further refinement of our manufacturing efficiencies and productivity improvements, with continued focus on profitable products and markets and our effort to create exceptional competency in new product development.

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Diagnostic Test Kit Industry Overview
The Overall Market for In Vitro Diagnostics
     The worldwide market for in vitro diagnostic, or IVD products was estimated at approximately $42.1 billion in 2008, and is segmented by the particular test discipline. The largest market segments are immunodiagnostics testing and instrument-based clinical chemistry, which account for approximately 31% and 21% of the total IVD market, respectively. Geographically, in 2008, approximately 39% of total IVD revenues were generated in the U.S., while Europe and Asia accounted for approximately 38% and 18%, respectively.
     Customers for IVD products are primarily laboratories and physician offices. In the U.S., these laboratories account for approximately 69% of the revenues generated by IVD products. The remaining 31% of the revenues come from physician offices.
     The centralized diagnostic testing process typically involves obtaining a specimen of blood, urine or other sample from the patient and sending the sample from the healthcare provider’s office or hospital unit to a central laboratory. In a typical visit to the physician’s office, after the patient’s test specimen is collected, the patient is usually sent home and receives the results of the test several hours or days later. The result of this process is that the patient may leave the physician’s office without confirmation of the diagnosis and the opportunity to begin more effective immediate care.
     Hospitals in the U.S. have progressively sought to reduce the length of patient stays and, consequently, the proportion of cases seen as outpatients have increased. If the U.S. experience is representative of future trends, emergency departments and other critical care units such as intensive care units, operating rooms, trauma and cardiac centers are increasingly becoming the principal centers for the management of moderate and severe acute illness. In the U.S., there are between 120 and 125 million emergency room visits annually.
The Professional POC Market
     Point-of-care (POC) testing for certain diseases has become an accepted adjunct to central laboratory and self-testing. The professional POC market is comprised of two general segments: decentralized testing in non-institutional settings such as physicians’ offices and hospital testing (emergency rooms and bedside). Hospital POC testing is accepted and growing and is generally an extension of the hospital’s central laboratory.
     Out-of-hospital testing sites consist of physicians’ office laboratories, nursing homes, pharmacies, retail clinics and other non-institutional, ambulatory settings in which healthcare providers perform diagnostic tests. This decentralized POC market encompasses a large variety of IVD products ranging from moderate-sized instrumented diagnostic systems serving larger group practices to single-use, disposable tests for smaller practice physicians’ offices. We believe POC testing out-of-hospital is increasing due to its clinical benefit, cost-effectiveness and patient satisfaction.
     Total revenues from the rapid, non-instrument-based professional POC market were estimated at approximately $4.4 billion worldwide in 2008. The growth in POC testing is in part due to evolving technological improvements creating high quality tests with laboratory accuracy and POC ease-of-use, which are capable of being granted a waiver under the Clinical Laboratory Improvement Amendments of 1988 (“CLIA”). A CLIA-waived test is defined as a simple laboratory test which employs methodologies that are so simple and accurate as to render the likelihood of erroneous results negligible and/or pose no reasonable risk of harm to the patient if the test is performed incorrectly. CLIA-waived tests may be used in physician office laboratories, as well as acute care, urgent care and hospital facilities. In 2008, an estimated 89,000, or 82%, of physician office laboratories had a CLIA waiver.
Products
     During 2009, we provided rapid POC and other diagnostic tests under the following brand names: QuickVue®, QuickVue+®, Quidel® and MicroVue™. Our rapid POC diagnostic tests and our diagnostic and research markers participate in the following medical and wellness categories:

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     Infectious Diseases
     Influenza. Our influenza tests are rapid, qualitative tests for the detection of the viral antigens of influenza type A and B, the two most common types of the influenza virus. Our first influenza test received FDA clearance in September 1999, with commercialization beginning in December 1999. The FDA granted us the first CLIA waiver for an influenza test in October 2000. Our second generation test, the QuickVue® Influenza A+B test, which allows for the differential diagnosis of influenza type A and type B, received FDA clearance in September 2003 and a CLIA waiver in February 2004. In December 2005, we announced FDA clearance for several new claims for our QuickVue® Influenza A+B test, including 94% sensitivity for detecting type A influenza with nasal swabs versus culture and 90% specificity.
     Group A Strep. Each year millions of people in the U.S. are tested for Group A Strep infections, commonly referred to as “strep throat.” Group A Streptococci are bacteria that typically cause illnesses such as tonsillitis and pharyngitis which, if left untreated, can progress to secondary complications. Our initial Strep A test, the QuickVue In-line® Strep A test, was the first rapid Strep A test to be granted a CLIA waiver, and we launched additional product offerings with the QuickVue®+ Strep A and the QuickVue® Dipstick Strep A tests in 1996 and 2001, respectively. Our QuickVue® Strep A tests are intended for the rapid, qualitative detection of Group A Streptococcal antigen from throat swabs or confirmation of presumptive Group A Streptococcal colonies recovered from culture. The tests are to be used to aid in the diagnosis of Group A Streptococcal infection.
     RSV Test. Our QuickVue® RSV test is a rapid immunoassay for Respiratory Syncitial Virus (“RSV”). The majority of upper respiratory tract infections in children are caused by viruses and RSV is generally recognized as a frequent agent responsible for these infections. We launched our RSV test during the fourth quarter of 2006, and we received CLIA waiver in February 2008.
     Reproductive and Women’s Health
     Pregnancy. Our QuickVue® pregnancy tests are used in both physicians’ office labs and acute care settings. The early detection of pregnancy enables the physician and patient to institute proper care, helping to promote the health of both the woman and the developing embryo. Our QuickVue® pregnancy tests are sensitive immunoassay tests for the qualitative detection of human Chorionic Gonoadotropin (“hCG”) in serum or urine for the early detection of pregnancy.
     Chlamydia. Chlamydia trachomatis is responsible for the most widespread sexually transmitted disease in the U.S. Over one-half of infected women do not have symptoms and, if left untreated, Chlamydia trachomatis can cause sterility. Our QuickVue® Chlamydia test is a lateral flow immunoassay for the rapid, qualitative detection of Chlamydia from endocervical swab and cytology brush specimens. The test is intended for use as an aid in the presumptive diagnosis of Chlamydia.
     Bone Health. Osteoporosis is a systemic skeletal disease characterized by low bone mass and deterioration of the micro-architecture of bone tissue, with a consequent increase in bone fragility and susceptibility to fractures. The risk for fracture increases exponentially with age. A key set of parameters in the monitoring of osteoporosis, both before and after therapy, are biochemical markers of bone metabolism. As a leader in the field of bone markers, we produce both clinical and research products for the assessment of osteoporosis and the evaluation of bone resorption/formation, which, including our metabolic bone markers, are used by physicians to monitor the effectiveness of therapy in pharmaceutical and related research.
     Other
     Immunoassay fecal occult blood (“iFOB”). Our QuickVue® iFOB test is a rapid, fecal immunochemical test (“FIT”) intended to detect the presence of blood in stool specimens. Blood in the stool is an indication of a number of gastrointestinal disorders, including colorectal cancer. We launched our first iFOB test in late December 2005.
     Helicobacter pylori (“H. pylori”). H. pylori is the bacterium associated with approximately 80% of patients diagnosed with peptic ulcers in the U.S. H. pylori is implicated in chronic gastritis and is recognized by the World Health Organization as a Class 1 carcinogen that may increase a person’s risk of developing stomach cancer. Once an H. pylori infection is detected, antibiotic therapy is administered to eradicate the organism and effect a cure of the ulcer. Our rapid test is a serological test that measures antibodies circulating in the blood caused by the immune response to the H. pylori bacterium. Our initial test was the first rapid H. pylori test to be granted a CLIA waiver. We launched our second-generation CLIA-waived test, the QuickVue® H. Pylori gII™ test, in August 2000.

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     We have other products which include veterinary products as well as clinical laboratory and research tests used in the measurement of circulating immune complexes, complement deficiencies and complement activation.
Seasonality
     Sales of our infectious disease products are subject to, and significantly affected by, the seasonal demands of the cold and flu seasons, prevalent during the fall and winter. As a result of these seasonal demands, we typically experience lower sales volume in the second quarter of the calendar year, and have higher sales in the first, third and fourth quarters of the calendar year. For the years ended December 31, 2009, 2008 and 2007, total revenue in the first, third and fourth quarters have combined for 85%, 83% and 84%, respectively. Historically, sales of our infectious disease products have varied from year to year based in large part on the severity, length and timing of the onset of the cold and flu season. For the years ended December 31, 2009, 2008 and 2007, sales of our infectious disease products accounted for 78%, 72% and 64%, respectively, of total revenue.
Research and Development
     We continue to focus our research and development efforts on three areas: 1) new proprietary product platform development, 2) the creation of improved products and new products for existing markets and unmet clinical needs, and 3) pursuit of collaborations with other companies for new and existing products and markets that advance our differentiated strategy.
     Our Specialty Products Group (“SPG”) located in Santa Clara, California develops research products in the fields of oncology and bone health. Several tests have been developed on microwell platforms and are currently marketed and sold to clinicians and researchers. The SPG is strategically focused on developing clinical proof around these markers and demonstrating their utility in a variety of pathologies. We currently market and sell these products both directly and through select distributors throughout the world under the Quidel® and MicroVue™ brands. The SPG revenues, income and assets are less than 10% of our overall operations.
     Research and development expenses were approximately $12.5 million, $11.1 million and $12.9 million for the years ended December 31, 2009, 2008 and 2007, respectively. We anticipate that we will continue to devote a significant amount of financial resources to product and technology research and development for the foreseeable future.
Marketing and Distribution
     We focus on ensuring market leadership and providing points of differentiation by specializing in the diagnosis and monitoring of selected disease states. Our marketing strategy includes ensuring that our key product portfolios are supported by economic and clinical validation that shows hospitals, laboratories, acute care facilities and POC clinicians that these tests deliver high quality results in a cost-effective manner.
     In contrast to the central laboratory market, the U.S. POC market is highly fragmented, with many small or medium-sized customers. We have designed our business strategy around serving the needs of this market segment. To reach these customers, a network of national and regional distributors is utilized and our own direct sales force. We have developed priority status with several of the major distributors in the U.S., resulting in many of our products having preferred product status with these distributors.
     Internationally, the use of professional rapid POC diagnostic tests, the acceptance of testing outside the central laboratory, the regulatory requirements to sell POC tests and consumer interest in over-the-counter and self-test products, differ considerably from the U.S. Our international sales are significantly lower than domestic sales, largely due to the POC market being more developed in the U.S. relative to the overall IVD market in other countries.
     During 2009, we continued to invest in several key areas: further validation of customer needs through voice of customer studies (“VOC”), expanding clinical research and expanding our communications through extensive print and internet advertising, direct mail, promotional campaigns and public relations. Our VOC emphasis enables us to better understand customers’ needs and requirements in both domestic and international markets in order to focus our product marketing and distribution partner plans. For example, annual post-season flu market research allows us to measure the success of our messaging to drive adoption as well as identify new product requirements for future application to the product line.

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     In order to build awareness about our products and their performance through the clinical validation value criterion, we sponsored a presentation on influenza testing at the annual meeting of the Society for Medical Decision Making (Philadelphia, PA), and we presented results of our internal research on fecal occult blood testing at the Colorectal Congress (St. Gallen, Switzerland). In February 2009, six other posters or oral presentations were made that are based on work sponsored in 2007 and 2008. These were presented at two important international meetings; the XI International Symposium on Respiratory Viral Infections and the 8th Asia Pacific Congress of Medical Virology.
     We derive a significant portion of our total revenue from a relatively small number of distributors. Four of our distributors, which are considered to be among the market leaders, collectively accounted for approximately 52%, 57% and 56% of our total revenue for the years ended December 31, 2009, 2008 and 2007, respectively. We had sales to four separate distributors for whom sales to each exceeded 10% of total revenue for the year ended December 31, 2009. These distributors were Cardinal Healthcare Corporation (“Cardinal”), Physician Sales and Services Corporation (“PSS”), McKesson Corporation (“McKesson”) and Fisher Scientific Corporation (“Fisher”).
     See Note 7. “Industry and Geographic Information” in the Notes to Consolidated Financial Statements included in this Annual Report.
Manufacturing
     In 2009, we had manufacturing operations in San Diego, California and Santa Clara, California. The San Diego facility, our largest manufacturing operation, produces our lateral flow, immunoassay products. The Santa Clara facility manufactures our microtiter plate products.
     The San Diego facility consists of laboratories devoted to tissue culture, cell culture, protein purification and immunochemistry and production areas dedicated to manufacturing and assembly. In the manufacturing process, biological and chemical supplies and equipment are used. Since the year 2000, the San Diego and Santa Clara facilities have operated under a Quality Management System certified to the International Organization for Standardization (“ISO”) 9001 certification. During 2005, we became certified to the ISO 13485:2003 Regulatory Standard as required for medical device manufacturers distributing product within the European Union and other countries. Many of the lateral flow and immunoassay products manufactured in our San Diego, California facility are packaged and shipped by a third party located in Southern California.
     We seek to conduct all of our manufacturing in compliance with the FDA Quality System Regulations (“QSR”) (formerly Good Manufacturing Practices) governing the manufacture of medical devices. Our manufacturing facilities have been registered with the FDA and the Department of Health Services of the State of California (the “State FDA”), and have passed routine federal and state inspections confirming compliance with the QSR regulatory requirements.
Government Regulation
     The testing, manufacture and commercialization of our products are subject to regulation by numerous governmental authorities, principally the FDA and corresponding state and foreign regulatory agencies. Pursuant to the U.S. Federal Food, Drug, and Cosmetic Act and the regulations promulgated thereunder, the FDA regulates the preclinical and clinical testing, manufacture, labeling, distribution and promotion of medical devices. Noncompliance with applicable requirements can result in, among other matters, fines, injunctions, civil penalties, recall or seizure of products, total or partial suspension of production, failure of the FDA to grant premarket clearance or premarket approval for devices, withdrawal of marketing clearances or approvals and criminal prosecution. The FDA also has the authority to request a recall, repair, replacement or refund of the cost of any device manufactured or distributed in the U.S. if the device is deemed to be unsafe.
     In the U.S., devices are classified into one of three classes (Class I, II or III) on the basis of the controls deemed necessary by the FDA to reasonably ensure their safety and effectiveness. Class I and II devices are subject to general controls including, but not limited to, performance standards, premarket notification (“510(k)”) and postmarket surveillance. Class III devices generally pose the highest risk to the patient and are typically subject to premarket approval to ensure their safety and effectiveness. Our current products are all Class I or II.
     Prior to commercialization in the U.S. market, manufacturers must obtain FDA clearance through a premarket notification or premarket approval process, which can be lengthy, expensive and uncertain. The FDA has been requiring more rigorous demonstration of product performance as part of the 510(k) process, including submission of extensive clinical data. It generally takes from three to six months to obtain clearance but may take longer.

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A premarket approval application must be supported by valid scientific evidence to demonstrate the safety and effectiveness of the device, typically including the results of clinical investigations, bench tests and reference laboratory studies. In addition, modifications or enhancements for existing products that could significantly affect safety or effectiveness, or constitute a major change in the intended use of the device, will require new submissions to the FDA.
     On January 30, 2008, the FDA issued guidance entitled “Guidance for Industry and FDA Staff Recommendation for CLIA waiver applications.” The guidance sets forth new requirements for obtaining a CLIA waiver that are onerous and will increase the time and cost required to obtain a CLIA waiver.
     Any devices we manufacture or distribute pursuant to FDA clearance or approvals are subject to continuing regulation by the FDA and certain state agencies, including adherence to QSR relating to testing, control, documentation and other quality assurance requirements. We must also comply with Medical Device Reporting (“MDR”) requirements mandating reporting to the FDA of any incident in which a device may have caused or contributed to a death or serious injury, or in which a device malfunctioned and, if the malfunction were to recur, would be likely to cause or contribute to a death or serious injury. Labeling and promotional activities are also subject to scrutiny by the FDA and, in certain circumstances, by the Federal Trade Commission. Current FDA enforcement policy prohibits the marketing of approved medical devices for unapproved uses.
     Regulation Outside of the United States
     For marketing outside the U.S., we are subject to foreign regulatory requirements governing human clinical testing and marketing approval for our products. These requirements vary by jurisdiction, differ from those in the U.S., and may require us to perform additional or different preclinical or clinical testing regardless of whether FDA approval has been obtained. The amount of time required to obtain necessary approvals may be longer or shorter than that required for FDA approval. In many foreign countries, pricing and reimbursement approvals are also required.
     Our initial focus for obtaining marketing approval outside the U.S. is typically the European Union (the “EU”) and Japan. EU Regulations and Directives generally classify health care products either as medicinal products, medical devices or in vitro diagnostics. The European Conformity (“CE”) mark certification requires us to receive ISO certification for the manufacture of our products. This certification comes only after the development of an all-inclusive quality system, which is reviewed for compliance with ISO standards by a licensed body working within the EU. After certification is received, a technical file is developed which attests to the product’s compliance with EU directive 98/79/EC for in vitro diagnostic medical devices. Only after this point is the product CE marked. The Japanese regulations require registration of in vitro diagnostic products with the Japanese Ministry of Health, Labor and Welfare. Additional clinical trials are typically required for registration purposes. For products marketed in Canada, we have our independent party certification under the Canadian Medical Device Regulation.
Intellectual Property
     The healthcare industry has traditionally placed considerable importance on obtaining and maintaining patent and trade secret protection for commercially relevant technologies, devices, products and processes. We and other companies engaged in research and development of new diagnostic products actively pursue patents for technologies that are considered novel and patentable. However, important factors, many of which are not within our control, can affect whether and to what extent patent protection in the U.S. and in other important markets worldwide is obtained. By way of example, the speed, accuracy and consistency in application of the law in a patent office within any particular jurisdiction is beyond our control and can be unpredictable. The resolution of issues such as these and their effect upon our long-term success is likewise indeterminable. We have issued patents, both in the U.S. and internationally, with expiration dates ranging from the present through approximately 2029 and have patent applications pending throughout the world.
     It has been our policy to file for patent protection in the U.S. and other countries with significant markets, such as Western European countries and Japan, if the economics are deemed to justify such filing and our patent counsel advises that relevant patent protection may be obtained.
     A large number of individuals and commercial enterprises seek patent protection for technologies, products and processes in fields in or related to our areas of product development. To the extent such efforts are successful, we may be required to obtain licenses and pay significant royalties in order to exploit certain of our product strategies and avoid a material adverse effect on our business. Licenses may not be available to us at all or, if so available, may not be available on acceptable terms.

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     We are aware of certain patents issued to various developers of diagnostic products with potential applicability to our diagnostic technology. We have licensed certain rights from certain companies to assist with the manufacturing of certain products. In the future, we expect that we will require or desire additional licenses from other parties in order to refine our products further and to allow us to develop, manufacture and market commercially viable or superior products effectively.
     We seek to protect our trade secrets and technology by entering into confidentiality agreements with employees and third parties (such as potential licensees, customers, strategic partners and consultants). In addition, we have implemented certain security measures in our laboratories and offices. Also, to the extent that consultants or contracting parties apply technical or scientific information independently developed by them to our projects, disputes may arise as to the proprietary rights to such data.
     Under many of our distribution agreements, we have agreed to indemnify the distributors against costs and liabilities arising out of any patent infringement claims and other intellectual property claims asserted by a third party relating to products sold under those agreements.
Competition
     Competition in the development and marketing of diagnostic products is intense, and diagnostic technologies have been subject to rapid change. We believe that some of the most significant competitive factors in the rapid diagnostic market include convenience, price and product performance as well as the distribution, advertising, promotion and brand name recognition of the marketer. We believe our success will depend on our ability to remain abreast of technological advances, to introduce technologically advanced products, to effectively market our differentiated value products, to maintain our brand strength and to attract and retain experienced personnel, who are in great demand. The majority of diagnostic tests requested by physicians and other healthcare providers are performed by independent clinical reference laboratories. We expect that these laboratories will continue to compete vigorously to maintain their dominance of the testing market. In order to achieve market acceptance for our products, we will be required to demonstrate that our products provide physicians cost-effective and time-saving alternatives to tests performed in the clinical reference laboratory. This requires that physicians change the way that they are used to handling diagnostic testing.
     There has been a trend toward industry consolidation in our markets over the last few years. We may not be able to compete successfully in an increasingly consolidated industry and cannot predict with certainty how industry consolidation will affect our competitors or us. We expect this trend toward industry consolidation may continue as companies attempt to strengthen or hold their market positions in an evolving industry and as companies are acquired or are unable to continue operations. Many of our current and prospective competitors, including several large pharmaceutical and diversified healthcare companies, have substantially greater financial, marketing and other resources than we have. These competitors include, among others, Inverness Medical Innovations, Inc. (“IMA”), Beckman Coulter Primary Care Diagnostics (“Beckman”), Fisher Scientific Corporation (“Fisher”), Genzyme Diagnostics Corporation (“Genzyme”), and Becton Dickinson and Company (“Becton”). We also face competition from our distributors since some have created, and others may decide to create, their own products to compete with ours.
Human Resources
     As of December 31, 2009, we had 331 employees, none of whom are represented by a labor union. We have experienced no work stoppages and believe that our employee relations are good.
Executive Officers of Quidel Corporation
     The names, ages and positions of all executive officers as of December 31, 2009 are listed below, followed by a brief account of their business experience during the past five years or more. Officers are normally appointed annually by the Board of Directors at a meeting of the Board of Directors. There are no family relationships among these officers, nor any arrangements or understandings between any officer and any other person pursuant to which an officer was selected. None of these officers has been involved in any court or administrative proceeding within the past ten years adversely reflecting on the officer’s ability or integrity.
     Douglas C. Bryant, 52, was named President, Chief Executive Officer and a member of the Board of Directors in February 2009. Mr. Bryant’s appointment as President and Chief Executive Officer was effective on March 1, 2009. Prior to joining us, Mr. Bryant served as Executive Vice President and Chief Operating Officer at Luminex Corporation, managing its Bioscience Group, Luminex Molecular Diagnostics (Toronto), manufacturing, R&D, technical operations, and commercial operations. From 1983 to 2007, Mr. Bryant held various worldwide commercial operations positions with Abbott

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Laboratories including, among others: Vice President of Abbott Vascular for Asia/Japan, Vice President of Abbott Molecular Global Commercial Operations and Vice President of Abbott Diagnostics Global Commercial Operations. Earlier in his career with Abbott, Mr. Bryant was Vice President of Diagnostic Operations in Europe, the Middle East and Africa, and Vice President of Diagnostic Operations Asia Pacific. Mr. Bryant has over 25 years of industry experience in sales and marketing, product development, manufacturing and service and support in both the diagnostics and life sciences markets. Mr. Bryant holds a B.A. in Economics from the University of California at Davis.
     John M. Radak, 49, became our Chief Financial Officer on February 1, 2007. Prior to joining us, Mr. Radak was Vice President of Finance and Chief Accounting Officer since January 2003 for Invitrogen Corporation, a leading provider of research tools for the life science industry. Mr. Radak also served as Vice President of Finance and Corporate Controller for Sunrise Medical Inc. from December 1994 to August 2001. Prior to joining Sunrise Medical Inc., Mr. Radak held a variety of senior financial management positions with manufacturing companies in the medical device and computer industries. After receiving his B.A. in Business Administration from California State University, Fullerton, Mr. Radak began his career with Deloitte Haskins and Sells. Mr. Radak holds an MBA from the University of Southern California and is a Certified Public Accountant (inactive).
     Timothy T. Stenzel, M.D., Ph.D., 48, became our Chief Scientific Officer in September 2009. Prior to joining us, Dr. Stenzel was Vice President and Chief Medical Officer since 2007 for Asuragen Inc (Austin, TX). Dr. Stenzel has also held senior positions at Abbott Laboratories from 2003 to 2007 and Duke University from 1997 to 2003, where he established Duke’s molecular laboratory capabilities. Dr. Stenzel received his M.D. and Ph.D. from Duke University and a B.A. in Chemistry from Grinnell College.
     Robert J. Bujarski, J.D., 41, rejoined us as our Senior Vice President, General Counsel and Corporate Secretary in June 2008. Mr. Bujarski previously served as our Senior Vice President, General Counsel and Corporate Secretary from March 2007 through March 2008. From July 2005 to March 2007, he was our General Counsel and Vice President. Mr. Bujarski was an associate attorney with the law firm of Gibson, Dunn & Crutcher LLP in its transactions practice group from October 2001 to July 2005. Mr. Bujarski received his B.A. degree in 1991 and his law degree in 2001 from the University of Arizona.
     Scot M. McLeod, 45, has been our Senior Vice President, Operations since July 2007. Mr. McLeod previously served as the Company’s Vice-President, Operations from 2001 to July 2007. Mr. McLeod first joined the Company in 1997 as Director of Production and has held various management operations positions with the Company throughout his ten years of service. Mr. McLeod has over 20 years experience in operations, and a diverse manufacturing background in both domestic and international environments. Mr. McLeod spent five years in OUS / overseas manufacturing of computer peripherals. Prior to joining Quidel, Mr. McLeod held various positions in operations and quality with Medtronic Interventional Vascular, Hybritech Inc., ALCOA and Information Magnetics Corporation. Mr. McLeod has his B.S. in Chemical Engineering from the University of New Hampshire.
     John D. Tamerius, Ph.D., 64, has been our Senior Vice President, Clinical/Regulatory Affairs since November 2008. Dr. Tamerius previously served as the Company’s Vice President, Clinical/Regulatory Affairs from 2005 to November 2008. Dr. Tamerius has held a variety of positions with us including, among others: Vice President for Research and Development and General Manager of the Company’s Special Products Group. Dr. Tamerius joined the Company in 1983 with the acquisition of Cytotech, Inc. where he served as President. Dr. Tamerius was previously a research associate at Scripps Clinic and Research Foundation. Dr. Tamerius performed postdoctoral research in tumor immunology at the Fred Hutchinson Cancer Center in Seattle and was awarded a Bachelor of Science, Master of Science, and Doctor of Philosophy in Microbiology and Immunology, all from the University of Washington.
Item 1A.   Risk Factors
Risks Related to Our Business
Our operating results may fluctuate adversely as a result of many factors that are outside our control.
     Fluctuations in our operating results, for any reason, could cause our growth or operating results to fall below the expectations of investors and securities analysts. For the year ended December 31, 2009, total revenue increased 28% to $164.3 million from $128.1 million for the year ended December 31, 2008. This was largely driven by increased global sales of our influenza products. For further discussion of this increase, refer to Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operation” included in this Annual Report.

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     Our sales estimates for future periods are based on estimated end-user demand for our products. Sales to our distribution partners would fall short of expectations if distributor inventories increase because of less than estimated end-user consumption.
     Other factors that are beyond our control and that could affect our operating results in the future include:
    seasonal fluctuations in our sales of infectious disease tests, which are generally highest in fall and winter, thus resulting in generally lower operating results in the second calendar quarter and higher operating results in the first, third and fourth calendar quarters;
 
    timing of the onset, length and severity of the cold and flu seasons;
 
    government and media attention focused on influenza and the related potential impact on humans from novel influenza viruses, including H1N1 and avian flu;
 
    changes in the level of competition, such as would occur if one of our larger and better financed competitors introduced a new or lower priced product to compete with one of our products;
 
    changes in the reimbursement systems or reimbursement amounts that end-users rely upon in choosing to use our products;
 
    changes in economic conditions in our domestic and international markets, such as economic downturns, decreased healthcare spending, reduced consumer demand, inflation and currency fluctuations;
 
    changes in sales levels, since a significant portion of our costs are fixed costs with the result that relatively higher sales could likely increase profitability but relatively lower sales would not reduce costs by the same proportion, and hence could cause operating losses;
 
    lower than anticipated market penetration of our new or more recently introduced products;
 
    significant quantities of our product in our distributors’ inventories or distribution channels; and
 
    changes in distributor buying patterns.
To remain competitive, we must continue to develop or obtain proprietary technology rights; otherwise, other companies may increase their market share by selling technologically superior products that compete with our products.
     Our competitive position is heavily dependent on obtaining and protecting our own proprietary technology or obtaining licenses from others. Our ability to compete successfully in the diagnostic market depends on continued development and introduction of new proprietary technology and the improvement of existing technology. If we cannot continue to develop, obtain and protect proprietary technology, our total revenue and gross profits could be adversely affected. Moreover, our current and future licenses may not be adequate for the operation of our business.
     Our ability to obtain patents and licenses, and their benefits, is uncertain. We have issued patents both in the U.S. and internationally, with expiration dates ranging from the present through approximately 2029. Additionally, we have patent applications pending throughout the world. These pending patent applications may not result in the issuance of any patents, or if issued, may not have priority over others’ applications or may not offer protection against competitors with similar technology. Moreover, any patents issued to us may be challenged, invalidated or circumvented in the future. In addition to the U.S., we have patents issued in various other countries including, for example, Australia, Canada, Japan and various European countries including France, Germany, Italy, Spain and the United Kingdom. Third parties can make, use and sell products covered by our patents in any country in which we do not have patent protection. We also license the right to use our products to our customers under label licenses that are for research purposes only. These licenses could be contested and, because we cannot monitor all potential unauthorized uses of our products around the world, we might not be aware of an unauthorized use and might not be able to enforce the license restrictions in a cost-effective manner. Also, we may not be able to obtain licenses for technology patented by others and required to produce our products on commercially reasonable terms.

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In order to remain competitive and profitable, we must expend considerable resources to research new technologies and products and develop new markets. Our failure to successfully introduce new technologies and products and develop new markets could have a material adverse effect on our business and prospects.
     We devote a significant amount of financial resources to researching and developing new technologies, new products and new markets. The development, manufacture and sale of diagnostic products require a significant investment of resources. Moreover, no assurances can be given that our efforts to develop new technologies or products will be successful or commercially viable.
     The development of new markets also requires a substantial investment of resources, such as new employees, offices and manufacturing facilities. Accordingly, we are likely to incur increased operating expenses as a result of our increased investment in sales and marketing activities, manufacturing scale-up and new product development associated with our efforts to accomplish our business strategy discussed in Item 1 of this Annual Report.
     As a result of any number of risk factors identified in this Annual Report, no assurance can be given that we will be successful in implementing our operational, growth and other strategic efforts. In addition, the funds for our strategic development projects have in the past come primarily from our business operations and a working capital line of credit. If our business slows and we become less profitable, and as a result have less money available to fund research and development, we will have to decide at that time which programs to reduce, and by how much. Similarly, if adequate financial, personnel, equipment or other resources are not available, we may be required to delay or scale back our strategic efforts. Our operations will be adversely affected if our total revenue and gross profits do not correspondingly increase or if our technology, product and market development efforts are unsuccessful or delayed. Furthermore, our failure to successfully introduce new products and develop new markets could have a material adverse effect on our business and prospects.
We rely on a limited number of key distributors which account for a substantial majority of our total revenue. The loss of any key distributor or an unsuccessful effort to directly distribute our products could lead to reduced sales.
     Although we have many distributor relationships in the U.S., the market is dominated by a small group of these distributors. Four of our distributors, which are considered to be among the market leaders, collectively accounted for approximately 52%, 57% and 56% of our total revenue for the years ended December 31, 2009, 2008 and 2007, respectively. We had sales to four separate distributors for whom sales to each exceeded 10% of total revenue for the year ended December 31, 2009. These distributors were Cardinal, PSS, McKesson and Fisher. In addition, we rely on a few key distributors for a majority of our international sales, and will continue to do so for the foreseeable future. The loss or termination of our relationship with any of these key distributors could significantly disrupt our business unless suitable alternatives were timely found or lost sales to one distributor are absorbed by another distributor. Finding a suitable alternative may pose challenges in our industry’s competitive environment, and another suitable distributor may not be found on satisfactory terms. For instance, some distributors already have exclusive arrangements with our competitors, and others do not have the same level of penetration into our target markets as our existing distributors. If total revenue to these or any of our other significant distributors were to decrease in any material amount in the future or we are not successful in timely transitioning business to new distributors, our business, operating results and financial condition could be materially and adversely affected.
Our operating results are heavily dependent on sales of our influenza diagnostic tests.
     Revenues from the sale of our influenza tests represent a significant portion of our total revenues and are expected to remain so in at least the near future. In addition, the gross margins derived from sales of our influenza tests are significantly higher than the gross margins from our other core products. As a result, if sales of our influenza tests decline for any reason—whether as a result of market share loss or price pressure, obsolescence, a mild flu season, regulatory matters or any other reason—our operating results would be materially and adversely affected on a disproportionate basis.
If we are not able to manage our growth strategy or if we experience difficulties integrating companies or technologies we may acquire after the acquisition, our earnings may be adversely affected.
     Our business strategy contemplates further growth in the scope of operating and financial systems and the geographical area of our operations, including further expansion outside the U.S., as new products are developed and commercialized or new geographical markets are entered. As discussed elsewhere, we acquired DHI on February 19, 2010. We may experience difficulties integrating the operations of DHI and other companies or technologies that we may acquire with our own operations, and as a result we may not realize our anticipated benefits and cost savings within our expected time frame, or at all. Because we have a relatively small executive staff, future growth may also divert management’s

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attention from other aspects of our business, and will place a strain on existing management and our operational, financial and management information systems. Furthermore, we may expand into markets in which we have less experience or incur higher costs. Should we encounter difficulties in managing these tasks, our growth strategy may suffer and our total revenue and gross profits could be adversely affected.
Intellectual property risks and third-party claims of infringement, misappropriation of proprietary rights or other claims against us could adversely affect our ability to market our products, require us to redesign our products or seek licenses from third parties, and materially adversely affect our operating results. In addition, the defense of such claims could result in significant costs and divert the attention of our management and other key employees.
     Companies in or related to our industry often aggressively protect and pursue their intellectual property rights. There are often intellectual property risks associated with developing and producing new products and entering new markets, and we may not be able to obtain, at reasonable cost and upon commercially reasonable terms, licenses to intellectual property of others that is alleged to be part of such new or existing products. From time to time, we have received, and may continue to receive, notices that claim we have infringed upon, misappropriated or misused other parties’ proprietary rights.
     Moreover, in the past we have been engaged in litigation with parties that claim, among other matters, that we infringed their patents. We or our customers may be sued by other parties that claim that our products have infringed their patents or misappropriated their proprietary rights or which may seek to invalidate one or more of our patents. An adverse determination in any of these types of disputes could prevent us from manufacturing or selling some of our products, limit or restrict the type of work that employees involved with such products may perform for us, increase our costs of revenue and expose us to significant liability.
     As a general matter, our involvement in litigation or in any claims to determine proprietary rights, as may arise from time to time, could materially and adversely affect our business, financial condition and results of operations for reasons such as:
    pending litigation may of itself cause our distributors or end-users to reduce purchases of our products;
 
    it may consume a substantial portion of our managerial and financial resources;
 
    its outcome would be uncertain and a court may find any third-party patent claims valid and infringed by our products (issuing a preliminary or permanent injunction) that would require us to withdraw or recall such products from the market, redesign such products offered for sale or under development or restrict employees from performing work in their areas of expertise;
 
    governmental agencies may commence investigations or criminal proceedings against our employees, former employees and us relating to claims of misappropriation or misuse of another party’s proprietary rights;
 
    an adverse outcome could subject us to significant liability in the form of past royalty payments, penalties, special and punitive damages and future royalty payments significantly affecting our future earnings; and
 
    failure to obtain a necessary license (upon commercially reasonable terms, if at all) upon an adverse outcome could prevent us from selling our current products or other products we may develop.
     In addition to the foregoing, we may also indemnify some customers, distributors and strategic partners under our agreements with such parties if a third party alleges or if a court finds that our products or activities have infringed upon, misappropriated or misused another party’s proprietary rights. Further, our products may contain technology provided to us by other parties such as contractors, suppliers or customers. We may have little or no ability to determine in advance whether such technology infringes the intellectual property rights of a third party. Our contractors, suppliers and licensors may not be required or financially able to indemnify us in the event that a claim of infringement is asserted against us, or they may be required to indemnify us only up to a maximum amount, above which we would be responsible for any further costs or damages.

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Volatility and disruption to the global capital and credit markets may adversely affect our results of operations and financial condition, as well as our ability to access credit and the financial soundness of our customers and suppliers.
     During 2008, the global capital and credit markets experienced a period of unprecedented turmoil and upheaval, characterized by the bankruptcy, failure, collapse or sale of various financial institutions and an unprecedented level of intervention from the United States federal government. These conditions could adversely affect the demand for our products and services and, therefore, reduce purchases by our customers, which would negatively affect our revenue growth and cause a decrease in our profitability. In addition, interest rate fluctuations, financial market volatility or credit market disruptions may limit our access to capital, and may also negatively affect our customers’ and our suppliers’ ability to obtain credit to finance their businesses. As a result, our customers’ needs and ability to purchase our products or services may decrease, and our suppliers may increase their prices, reduce their output or change their terms of sale. If our customers’ or suppliers’ operating and financial performance deteriorates, or if they are unable to make scheduled payments or obtain credit, our customers may not be able to pay, or may delay payment of, accounts receivable owed to us, and our suppliers may restrict credit or impose different payment terms. Any inability of customers to pay us for our products and services, or any demands by suppliers for different payment terms, may adversely affect our earnings and cash flow. Additionally, both state and federal government sponsored payers, as a result of budget deficits or reductions, may seek to reduce their health care expenditures by renegotiating their contracts with us. Any reduction in payments by such government sponsored payers may adversely affect our earnings and cash flow. Declining economic conditions may also increase our costs. If economic conditions remain volatile, our results of operations or financial condition could be adversely affected.
We may not achieve market acceptance of our products among physicians and other healthcare providers, and this would have a negative effect on future sales growth.
     A large part of our business is based on the sale of rapid POC diagnostic tests that physicians and other healthcare providers can administer in their own facilities without sending samples to central laboratories. Clinical reference laboratories and hospital-based laboratories are significant competitors of ours in connection with these rapid POC diagnostic tests and provide a majority of the diagnostic tests used by physicians and other healthcare providers. Our future sales depend on, among other matters, capture of sales from these laboratories by achieving market acceptance of POC testing from physicians and other healthcare providers. If we do not capture sales at the levels we have budgeted for, our total revenue will not grow as much as we hope and the costs we have incurred will be disproportionate to our sales levels. We expect that clinical reference and hospital-based laboratories will continue to compete vigorously against our POC diagnostic products in order to maintain and expand their existing dominance of the overall diagnostic testing market. Moreover, even if we can demonstrate that our products are more cost-effective or save time, physicians and other healthcare providers may resist changing to POC tests. Our failure to achieve market acceptance from physicians and healthcare providers with respect to the use of our POC diagnostic products would have a negative effect on our future sales growth.
Intense competition with other providers of POC diagnostic products may reduce our sales.
     In addition to competition from laboratories, our POC diagnostic tests compete with similar products made by our competitors. There are a large number of multinational and regional competitors making investments in competing technologies and products, including several large pharmaceutical and diversified healthcare companies. We also face competition from our distributors since some have created, and others may decide to create, their own products to compete with ours. A number of our competitors have a potential competitive advantage because they have substantially greater financial, technical, research and other resources, and larger, more established marketing, sales, distribution and service organizations than we have. These competitors include, among others, IMA, Beckman, Fisher, Genzyme and Becton. Moreover, some competitors offer broader product lines and have greater name recognition than we have. If our competitors’ products are more effective than ours or acquire market share from our products through more effective marketing or competitive pricing, our total revenue and profits could be materially and adversely affected. Competition also has the effect of limiting the prices we can charge for our products.
Our products are highly regulated by various governmental agencies. Any changes to the existing laws and regulations may adversely impact our ability to manufacture and market our products.
     The testing, manufacture and sale of our products are subject to regulation by numerous governmental authorities in the U.S., principally the FDA and corresponding state and foreign regulatory agencies. The FDA regulates most of our products, which are currently all Class I or II devices. The U.S. Department of Agriculture regulates our veterinary products. Our future performance depends on, among other matters, our estimates as to when and at what cost we will receive regulatory approval for new products. In addition, certain of our foreign product registrations are owned or controlled by our international distribution partners that could result in the loss of or delay in transfer of any such product registrations, thereby

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interrupting our ability to sell our products in those markets. Regulatory approval can be a lengthy, expensive and uncertain process, making the timing and costs of approvals difficult to predict. Our total revenue would be negatively affected by failures or delays in the receipt of approvals or clearances, the loss of previously received approvals or clearances or the placement of limits on the marketing and use of our products.
     Furthermore, in the ordinary course of business, we must frequently make subjective judgments with respect to compliance with applicable laws and regulations. If regulators subsequently disagree with the manner in which we have sought to comply with these regulations, we could be subjected to substantial civil and criminal penalties, as well as product recall, seizure or injunction with respect to the sale of our products. The assessment of any civil and criminal penalties against us could severely impair our reputation within the industry and any limitation on our ability to manufacture and market our products could have a material adverse effect on our business.
We are subject to numerous government regulations in addition to FDA regulation, and compliance with changes could increase our costs.
     In addition to FDA and other regulations described previously, numerous laws relating to such matters as safe working conditions, manufacturing practices, environmental protection, fire hazard control and disposal of hazardous or potentially hazardous substances impact our business operations. If these laws change or laws regulating any of our businesses are added, the costs of compliance with these laws could substantially increase our costs. Failure to comply with any future modifications of these laws or laws regulating the manufacture and marketing of our products could result in substantial costs and loss of sales or customers. Because of the number and extent of the laws and regulations affecting our industry, and the number of governmental agencies whose actions could affect our operations, it is impossible to reliably predict the full nature and impact of future legislation or regulatory developments relating to our industry. To the extent the costs and procedures associated with meeting new requirements are substantial, our business and results of operations could be adversely affected.
We use hazardous materials in our business that may result in unexpected and substantial claims against us relating to handling, storage or disposal.
     Our research and development and manufacturing activities involve the controlled use of hazardous materials. Federal, state and local laws and regulations govern the use, manufacture, storage, handling and disposal of hazardous materials. These regulations include federal statutes popularly known as CERCLA, RCRA and the Clean Water Act. Compliance with these laws and regulations is already expensive. If any governmental authorities were to impose new environmental regulations requiring compliance in addition to that required by existing regulations, these future environmental regulations could impair our research, development or production efforts by imposing additional, and possibly substantial, costs on our business. In addition, because of the nature of the penalties provided for in some of these environmental regulations, we could be required to pay sizeable fines, penalties or damages in the event of noncompliance with environmental laws. Any environmental violation or remediation requirement could also partially or completely shut down our research and manufacturing facilities and operations, which would have a material adverse effect on our business. The risk of accidental contamination or injury from these hazardous materials cannot be completely eliminated and exposure of individuals to these materials could result in substantial fines, penalties or damages that are not covered by insurance.
Our total revenue could be affected by third-party reimbursement policies and potential cost constraints.
     The end-users of our products are primarily physicians and other healthcare providers. Use of our products would be adversely impacted if physicians do not receive adequate reimbursement for the cost of our products by their patients’ healthcare insurers or payers. Our total revenue could also be adversely affected by changes or trends in reimbursement policies of these governmental or private healthcare payers. In the U.S., healthcare providers such as hospitals and physicians who purchase diagnostic products generally rely on third-party payers, principally private health insurance plans, federal Medicare and state Medicaid, to reimburse all or part of the cost of the procedure. We believe that the overall escalating cost of medical products and services has led to, and will continue to lead to, increased pressures on the healthcare industry, both foreign and domestic, to reduce the cost of products and services. Given the efforts to control and reduce healthcare costs in the U.S. in recent years, currently available levels of reimbursement may not continue to be available in the future for our existing products or products under development. Third-party reimbursement and coverage may not be available or adequate in either the U.S. or foreign markets, current reimbursement amounts may be decreased in the future and future legislation, regulation or reimbursement policies of third-party payers may reduce the demand for our products or adversely impact our ability to sell our products on a profitable basis.

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Unexpected increases in, or inability to meet, current demand for our products could require us to spend considerable resources to meet the demand or harm our customer relationships if we are unable to meet demand.
     Our inability to meet customer demand for our products, whether as a result of manufacturing problems or supply shortfalls, could harm our customer relationships and impair our reputation within the industry. This, in turn, could have a material adverse effect on our business.
     If we experience unexpected increases in the demand for our products, we may be required to expend additional capital resources to meet these demands. These capital resources could involve the cost of new machinery or even the cost of new manufacturing facilities. This would increase our capital costs, which could adversely affect our earnings and cash resources. If we are unable to develop necessary manufacturing capabilities in a timely manner, our total revenue could be adversely affected. Failure to cost-effectively increase production volumes, if required, or lower than anticipated yields or production problems encountered as a result of changes that we may make in our manufacturing processes to meet increased demand or changes in applicable laws and regulations, could result in shipment delays as well as increased manufacturing costs, which could also have a material adverse effect on our total revenue and profitability.
     Unexpected increases in demand for our products could also require us to obtain additional raw materials in order to manufacture products to meet the demand. Some raw materials require significant ordering lead time and some are currently obtained from a sole supplier or a limited group of suppliers. We have long-term supply agreements with many of these suppliers, but these long-term agreements involve risks for us, such as our potential inability to obtain an adequate supply of raw materials and components and our reduced control over pricing, quality and timely delivery. It is also possible that one or more of these suppliers may become unwilling or unable to deliver materials to us. Any shortfall in our supply of raw materials and components, and our inability to quickly and cost-effectively obtain alternative sources for this supply, could have a material adverse effect on our total revenue or cost of sales and related profits.
If one or more of our products proves to be defective, we could be subject to claims of liability that could adversely affect our business.
     A defect in the design or manufacture of our products could have a material adverse effect on our reputation in the industry and subject us to claims of liability for injuries and otherwise. Any substantial underinsured loss resulting from such a claim would have a material adverse effect on our profitability and the damage to our reputation in the industry could have a material adverse effect on our business.
We are exposed to business risk which, if not covered by insurance, could have an adverse effect on our profits.
     Claims may be made against us for types of damages, or for amounts of damages, that are not covered by our insurance. For example, although we currently carry product liability insurance for liability losses, there is a risk that product liability or other claims may exceed the amount of our insurance coverage or may be excluded from coverage under the terms of our policy. Also, if we are held liable, our existing insurance may not be renewed at the same cost and level of coverage as currently in effect, or may not be renewed at all. Further, we do not currently have insurance against many environmental risks we confront in our business. If we are held liable for a claim against which we are not insured or for damages exceeding the limits of our insurance coverage, whether arising out of product liability matters or from some other matter, that claim could have a material adverse effect on our results of operations and profitability.
Our business could be negatively affected by the loss of or the inability to hire key personnel.
     Our future success depends in part on our ability to retain our key technical, sales, marketing and executive personnel and our ability to identify and hire additional qualified personnel. Competition for these personnel is intense, both in the industry in which we operate and also in Santa Clara and San Diego, where our headquarters and the majority of our operations are located. Further, we expect to grow our operations, and our needs for additional management and other key personnel are expected to increase. If we are not able to retain existing key personnel, or identify and hire additional qualified personnel to meet expected growth, our business could be adversely impacted.
We face risks relating to our international sales, including inherent economic, political and regulatory risks, which could increase our costs, cause interruptions in our current business operations and stifle our growth opportunities.
     Our products are sold internationally, with the majority of our international sales to our customers in Japan, Europe and the Middle East. We currently sell and market our products by channeling products through distributor organizations and sales agents. Sales to foreign customers accounted for 21%, 15%, and 14% of our total revenue for the years ended

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December 31, 2009, 2008 and 2007, respectively. Our international sales are subject to inherent economic, political and regulatory risks, which could increase our operating costs, cause interruptions in our current business operations and impede our international growth. These foreign risks include, among others:
    compliance with new and changing registration requirements, our inability to benefit from registration for our products inasmuch as registrations may be controlled by a distributor, the difficulty in the transitioning of our product registrations, and tariffs or other barriers as we continue to expand into new countries and geographic regions;
 
    exposure to currency exchange fluctuations against the U.S. dollar;
 
    longer payment cycles, generally lower average selling prices and greater difficulty in accounts receivable collection;
 
    reduced protection for, and enforcement of, intellectual property rights;
 
    political and economic instability in some of the regions where we currently sell our products or that we may expand into in the future;
 
    potentially adverse tax consequences; and
 
    diversion of our products to the U.S. from products sold into international markets at lower prices.
     Currently, all of our international sales are negotiated for and paid in U.S. dollars. Nonetheless, these sales are subject to currency risks, since changes in the values of foreign currencies relative to the value of the U.S. dollar can render our products comparatively more expensive. These exchange rate fluctuations could negatively impact international sales of our products, as could changes in the general economic conditions in those markets. In order to maintain a competitive price for our products internationally, we may have to continue to provide discounts or otherwise effectively reduce our prices, resulting in a lower margin on products sold internationally. Continued change in the values of the Euro, the Japanese Yen and other foreign currencies could have a negative impact on our business, financial condition and results of operations. We do not currently hedge against exchange rate fluctuations, which means that we are fully exposed to exchange rate changes.
Investor confidence and share value may be adversely impacted if we or our independent registered public accounting firm conclude that our internal controls over financial reporting are not effective.
     As directed by Section 404 of the Sarbanes-Oxley Act of 2002, the SEC adopted rules requiring us, as a public company, to include a report of management on our internal controls over financial reporting in our Annual Reports on Form 10-K that contains an assessment by management of the effectiveness of our internal controls over financial reporting. In addition, our independent registered public accounting firm must attest to the effectiveness of our internal controls over financial reporting. How companies are implementing these requirements, including internal control reforms, if any, to comply with Section 404’s requirements, and how independent registered public accounting firms are applying these requirements and testing companies’ internal controls, remain subject to uncertainty. The requirements of Section 404 of the Sarbanes-Oxley Act of 2002 are ongoing. We expect that our internal controls will continue to evolve as our business activities change. Although we seek to diligently and vigorously review our internal controls over financial reporting in an effort to ensure compliance with the Section 404 requirements, any control system, regardless of how well designed, operated and evaluated, can provide only reasonable, not absolute, assurance that its objectives will be met. If, during any year, our independent registered public accounting firm is not satisfied with our internal controls over financial reporting or the level at which these controls are documented, designed, operated, tested or assessed, or if the independent registered public accounting firm interprets the requirements, rules or regulations differently than we do, then it may issue a report that is qualified. This could result in an adverse reaction in the financial marketplace due to a loss of investor confidence in the reliability of our financial statements and effectiveness of our internal controls, which ultimately could negatively impact the market price of our shares.

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Risks Related to Our Common Stock
Our stock price has been highly volatile, and an investment in our stock could suffer a significant decline in value.
     The market price of our common stock has been highly volatile and has fluctuated substantially in the past. For example, as of the end of each quarter period between December 31, 2007 and December 31, 2009, the closing price of our common stock, as reported by the Nasdaq Global Market, has ranged from a low of $7.92 to a high of $20.84. We expect our common stock to continue to be subject to wide fluctuations in price in response to various factors, many of which are beyond our control, including the risk factors discussed above.
     In addition, the stock market in general, and the Nasdaq Global Market and the market for technology companies in particular, have experienced significant price and volume fluctuations that, at times, have been unrelated or disproportionate to the operating performance of the relevant companies. In the past, following periods of volatility in the market price of a company’s securities, securities class action litigation has often been instituted. A securities class action suit against us could result in substantial costs, potential liabilities and the diversion of management’s attention and resources.
Future sales by existing stockholders could depress the market price of our common stock.
     Sales of our common stock in the public market, or the perception that such sales could occur, could negatively impact the market price of our common stock. As of December 31, 2009:
    approximately 29.0 million shares of our common stock had been issued in registered offerings and 28.8 million are generally tradable in the public markets without restrictions; and
 
    approximately 2.8 million shares of our common stock were issuable upon exercise of outstanding stock options under our various equity incentive plans at a weighted average exercise price of $11.41.
     We are unable to estimate the number of shares of our common stock that may actually be resold in the public market since this will depend on the market price for our common stock, the individual circumstances of the sellers and other factors. We also have a number of institutional stockholders that own significant blocks of our common stock. If one or more of these stockholders were to sell large portions of their holdings in a relatively short time, for liquidity or other reasons, the prevailing market price of our common stock could be negatively affected.
Anti-takeover devices may prevent a sale, or changes in the management, of the Company.
     We have in place several anti-takeover devices, including a stockholder rights plan that may have the effect of delaying or preventing a sale, or changes in the management, of the Company. For example, our bylaws require stockholders to give written notice of any proposal or director nomination to us within a specified period of time prior to any stockholder meeting.
     We may also issue shares of preferred stock without stockholder approval and on terms that our Board of Directors may determine in the future. The issuance of preferred stock could have the effect of making it more difficult for a third party to acquire a majority of our outstanding stock, and the holders of such preferred stock could have voting, dividend, liquidation and other rights superior to those of holders of our common stock.
We do not pay dividends and this may negatively affect the price of our stock.
     We have not paid dividends on our common stock and do not anticipate paying dividends on our common stock in the foreseeable future. The future price of our common stock may be adversely impacted because we have not paid and do not anticipate paying dividends.
Item 1B.   Unresolved Staff Comments
     None.

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Item 2.   Properties
     Our executive, administrative, manufacturing and research and development operation is located in San Diego, California where we lease a facility that is approximately 78,000 square feet. The San Diego lease expires in 2019 with options to extend the lease for three additional five-year periods. Also, we lease approximately 10,000 square feet of additional office space in San Diego and the lease expires in 2011 with options to extend the lease for two additional two-year periods. Finally, we lease approximately 24,000 square feet of manufacturing, laboratory and office space in Santa Clara, California. The Santa Clara lease expires in 2014 with an option to extend for one additional five-year period.
     We believe that our facilities are adequate for our current needs, and we currently do not anticipate any material difficulty in renewing any of our leases as they expire or securing additional or replacement facilities, in each case, on commercially reasonable terms. However, in anticipation of our growth strategy, we may pursue alternative facilities.
Item 3.   Legal Proceedings
     None.
Item 4.   Submission of Matters to a Vote of Security Holders
     There were no matters submitted to a vote of security holders during the fourth quarter of 2009.
Part II
Item 5.   Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities
COMMON STOCK PRICE RANGE
     Our common stock is traded on the Nasdaq Global Market under the symbol “QDEL.” The following table sets forth the range of high and low sales prices for our common stock for the periods indicated.
                 
Quarter Ended   Low     High  
December 31, 2009
  $ 12.57     $ 16.59  
September 30, 2009
    13.43       17.77  
June 30, 2009
    8.29       14.67  
March 31, 2009
    7.92       13.42  
December 31, 2008
  $ 12.33     $ 16.41  
September 30, 2008
    16.00       20.81  
June 30, 2008
    15.00       18.27  
March 31, 2008
    14.03       19.47  
     As of February 22, 2010, we had approximately 522 common stockholders of record. No cash dividends were declared for our common stock during the fiscal years ended in 2009 or 2008, and we do not anticipate paying any dividends in the foreseeable future. Our Senior Credit Facility contains restrictions on the payment of cash dividends. See Note 2 in the Notes to Consolidated Financial Statements included in this Annual Report.
Stock Repurchases
     The table below sets forth information regarding repurchases of our common stock by us during the three months ended December 31, 2009.
                                 
                    Total number of     Approximate dollar  
                    shares purchased     value of shares that  
    Total number     Average     as part of publicly     may yet be purchased  
    of shares     price paid     announced plans or     under the plans or  
Period   purchased     per share     programs     programs(1)  
October 1 - October 31, 2009
        $           $ 8,066,000  
November 1 - November 30, 2009
    135,800       13.51       135,800       6,231,000  
December 1 - December 31, 2009
    929,106       13.06       929,106       19,098,000  
 
                       
 
                               
Ending Balance — December 31, 2009
    1,064,906     $ 13.12       1,064,906     $ 19,098,000  
 
                       
 
(1)   In June 2005, we announced that our Board of Directors authorized us to repurchase up to $25.0 million in shares of our common stock under our stock repurchase program. In March 2007, we announced that our Board of Directors authorized us to repurchase up to an additional $25.0 million in shares of our common stock under our stock repurchase program. In December 2008, we announced that our Board of Directors authorized us to repurchase up to an additional $25.0 million in shares of our common stock under our stock repurchase program. In December 2009, we announced that our Board of Directors authorized us to repurchase up to an additional $25.0 million in shares of our common stock under our stock repurchase program. Any shares of common stock repurchased under this program will no longer be deemed outstanding upon repurchase and will be returned to the pool of authorized shares. This repurchase program will expire on December 2, 2011 unless extended by our Board of Directors.

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STOCKHOLDER RETURN PERFORMANCE GRAPH
     Set forth below is a line graph comparing the yearly percentage change in the cumulative total stockholder return on our common stock with the cumulative total return of the Nasdaq Composite Index and the Nasdaq Pharmaceutical Index for the period beginning December 31, 2004 and ending December 31, 2009. The graph assumes an initial investment of $100 on December 31, 2004 in our common stock, the Nasdaq Composite Index and the Nasdaq Pharmaceutical Index and reinvestment of dividends. The stock price performance of our common stock depicted in the graph represents past performance only and is not necessarily indicative of future performance.
(LINE  GRAPH)
                                                 
    Base Period                                
Company/Index   12/31/04     12/31/05     12/31/06     12/31/07     12/31/08     12/31/09  
Quidel Corporation
  $ 100.00     $ 211.81     $ 268.11     $ 383.27     $ 257.28     $ 271.26  
Nasdaq Composite
    100.00       101.33       114.01       123.71       73.11       105.61  
Nasdaq Pharmaceutical
    100.00       102.23       105.16       99.56       91.99       98.21  

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Item 6.   Selected Financial Data
     The following table presents selected consolidated financial data of Quidel Corporation. This historical data should be read in conjunction with the Consolidated Financial Statements and related Notes thereto in Item 8 and “Management’s Discussion and Analysis of Financial Condition and Results of Operation” in Item 7 in this Annual Report.
Consolidated Statements of Operations
                                         
    Year ended December 31,  
    2009     2008     2007     2006     2005(1)  
    (in thousands, except per share data)  
Total revenues
  $ 164,282     $ 128,132     $ 118,065     $ 106,015     $ 92,299  
Costs and expenses
                                       
Cost of sales (excludes amortization of intangible assets)
    55,218       50,206       48,573       44,818       37,101  
Research and development
    12,526       11,147       12,855       13,047       12,829  
Sales and marketing
    23,347       20,898       18,491       16,966       16,121  
General and administrative
    16,783       12,786       13,167       12,770       13,062  
Amortization of intangible assets
    1,364       4,476       5,493       4,580       1,476  
Restructuring charges
    2,038                          
Business acquisition costs
    457                          
Patent litigation settlement
                            17,000  
 
                             
Total costs and expenses
    111,733       99,513       98,579       92,181       97,589  
 
                             
Operating income (loss)
    52,549       28,619       19,486       13,834       (5,290 )
Other income (expense)
                                       
Interest income
    372       1,686       1,891       1,408       722  
Interest expense
    (767 )     (671 )     (736 )     (757 )     (808 )
Other income (expense)
    (5 )     135       (117 )     545       49  
 
                             
Total other income (expense)
    (400 )     1,150       1,038       1,196       (37 )
 
                             
Income (loss) from continuing operations before provision (benefit) for income taxes
    52,149       29,769       20,524       15,030       (5,327 )
Provision (benefit) for income taxes
    19,266       10,921       6,893       (5,891 )     3,000  
 
                             
Income (loss) from continuing operations
    32,883       18,848       13,631       20,921       (8,327 )
 
                             
Gain (loss) from discontinued operations, net of taxes
                      797       (932 )
 
                             
Net income (loss)
  $ 32,883     $ 18,848     $ 13,631     $ 21,718     $ (9,259 )
 
                             
Basic earnings (loss) per share:
                                       
Continuing operations
  $ 1.10     $ 0.59     $ 0.43     $ 0.63     $ (0.26 )
Discontinued operations
                      0.02       (0.03 )
Net income (loss)
    1.10       0.59       0.43       0.66       (0.28 )
Diluted earnings (loss) per share:
                                       
Continuing operations
  $ 1.08     $ 0.58     $ 0.41     $ 0.61     $ (0.26 )
Discontinued operations
                      0.02       (0.03 )
Net income (loss)
    1.08       0.58       0.41       0.63       (0.28 )
Shares used in basic per share calculation
    29,964       31,853       32,028       32,985       32,525  
Shares used in diluted per share calculation
    30,418       32,612       32,996       34,367       32,525  
Balance Sheet Data
                                         
    December 31  
    2009     2008     2007     2006     2005(1)  
    (in thousands)  
Cash, cash equivalents and marketable securities
  $ 93,002     $ 57,908     $ 45,489     $ 36,625     $ 34,930  
Working capital
  $ 96,699     $ 85,592     $ 70,259     $ 53,063     $ 43,984  
Total assets
  $ 166,345     $ 142,808     $ 133,838     $ 127,048     $ 113,848  
Long-term obligations
  $ 10,371     $ 8,138     $ 9,161     $ 9,166     $ 9,986  
Stockholders’ equity
  $ 126,450     $ 119,236     $ 107,703     $ 103,276     $ 87,243  
Common shares outstanding
    29,026       31,894       32,706       33,530       33,778  
 
(1)   During the second quarter of 2005, we entered into an agreement to settle certain patent litigation. In conjunction with the settlement, we recorded a charge and paid cash of $17.0 million in 2005.

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Item 7.   Management’s Discussion and Analysis of Financial Condition and Results of Operation
     The following discussion of our financial condition and results of operations contains forward-looking statements within the meaning of the federal securities laws that involve material risks and uncertainties. This discussion should be read in conjunction with “A Warning About Forward-Looking Statements” on page 2 and “Risk Factors” under Item 1A of this Annual Report. In addition, our discussion of the financial condition and results of operations of Quidel Corporation in this Item 7 should be read in conjunction with our Consolidated Financial Statements and the related Notes included elsewhere in this Annual Report.
Overview and Executive Summary
     We have a leadership position in the development, manufacturing and marketing of diagnostic testing solutions. These diagnostic testing solutions primarily include applications in infectious diseases and reproductive and women’s health. We sell our products directly to end users and distributors, in each case, for professional use in physician offices, hospitals, clinical laboratories, reference laboratories, leading universities, retail clinics and wellness screening centers.
     We market our products in the U.S. through a network of national and regional distributors, and a direct sales force. Internationally, we sell and market primarily in Japan, Europe and the Middle East through exclusive distributor arrangements.
     A majority of our total revenues relate to three product families. For the years ended December 31, 2009, 2008 and 2007, we derived approximately 87%, 84% and 81%, respectively, of our total revenues from sales of our influenza, Group A Strep and pregnancy tests. Additionally, a significant portion of our total revenue is from a relatively small number of distributors. Approximately 52%, 57% and 56% of our total revenue for the years ended December 31, 2009, 2008 and 2007, respectively, were related to sales through our four largest distributors.
     Our net revenue increased to $164.3 million for the year ended December 31, 2009 from $128.1 million for the year ended December 31, 2008. This was largely driven by increased global sales of our influenza products.
     Our primary objective is to expand our leadership position in the markets we serve. Our diagnostic testing solutions are designed to provide specialized results that serve various customer needs, including reduction of cost, increased test accuracy, and reduced time to result, thus creating a diagnostic continuum in the in vitro diagnostic market. This diagnostic continuum relative to our strategy is comprised of three parts: 1) lateral flow immunoassay tests; 2) direct fluorescent assays (DFA) and culture-based tests; and 3) molecular diagnostic tests.
     The critical elements required to accomplish our primary objective include the following:
    continue to focus our research and development efforts on three areas: 1) new proprietary product platform development, 2) the creation of improved products and new products for existing markets and unmet clinical needs, and 3) pursuit of collaborations with other companies for new and existing products and markets that advance our differentiated strategy;
    provide clinicians with validated studies that encompass the clinical efficacy and economic efficiency of our diagnostic tests for the professional market;
 
    continue to focus on strengthening our market and brand leadership in infectious diseases and reproductive and women’s health by acquiring, developing and introducing clinically superior diagnostic solutions;
 
    drive growth by strengthening our direct sales force to assure physician and laboratorian satisfaction through direct relationships with Integrated Delivery Networks, laboratories and hospitals;
 
    support payer evaluation of diagnostic tests and establishment of favorable reimbursement rates;
 
    continue creation of strong global alliances to assure leadership in key markets and expand our presence in emerging markets; and
 
    drive profit through further refinement of our manufacturing efficiencies and productivity improvements, with continued focus on profitable products and markets and our effort to create exceptional competency in new product development.
     As a business in a highly regulated and competitive industry, we face many risks and challenges and we also have opportunities. There are many economic and industry factors that affect our business; some of the more important factors are outlined below:
    sales of our infectious disease products, which have collectively accounted for approximately 78%, 72% and 64% of total revenue for the years ended December 31, 2009, 2008 and 2007, respectively, are subject to and significantly affected by the seasonal demands of the cold and flu seasons;
 
    sales of our products can be affected significantly by many competitive factors, including convenience, price and product performance as well as the distribution, advertising, promotion and brand name recognition of the marketer;
 
    intellectual property protection of our products is crucial to our business;
 
    the testing, manufacture and commercialization of our products are subject to regulation by numerous governmental authorities, principally the FDA and corresponding state and foreign regulatory agencies;
 
    the production processes for point-of-care (“POC”) tests are complex, highly regulated and vary widely from product to product; and
 
    there has been a trend toward industry consolidation in our markets over the last several years.
     You should also refer to the discussion in Item 1A, “Risk Factors” in Part I of this Annual Report for further discussion of risks related to our business.

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Recent Developments
     On February 19, 2010, we acquired Diagnostic Hybrids, Inc. (“DHI”) a privately-held, in vitro diagnostics (“IVD”) company, based in Athens, Ohio, that is a market leader in the manufacturing and commercialization of FDA-cleared direct fluorescent IVD assays used in hospital and reference laboratories for a variety of diseases, including viral respiratory infections, herpes, Chlamydia and other viral infections, and thyroid diseases. DHI reported revenues of approximately $51.0 million and $5.9 million in net income for their fiscal year 2009. DHI’s direct sales force serves over 700 North American customers, and its products are sold via distributors outside the United States. Their products are offered under various brand names including, ELVIS®, R-Mix™, Mixed Fresh Cells™, FreshCells™, ReadyCells™ and Thyretain™. We paid approximately $130.0 million in cash to acquire DHI.
Outlook
     We do not plan for or expect the influenza pandemic of 2009 to recur in 2010. Accordingly, we expect a significant decrease in our influenza test sales, related earnings and cash flows during 2010. Additionally, we anticipate gross margins will trend lower for the upcoming year as a result of the product mix shift from 2009’s high level of influenza sales. Nonetheless, the acquisition of DHI builds upon and diversifies our revenue base and we expect the acquisition to lessen the effect of seasonality on our business quarter to quarter. We will continue our focus on prudently managing our business and delivering solid financial results while at the same time continuing to introduce new products to the market and maintaining our emphasis on research and development investments for longer term growth. Finally, we will continue to evaluate opportunities to acquire new product lines and technologies, as well as, company acquisitions.
Results of Operations
Comparison of years ended December 31, 2009 and 2008
Total Revenues
     The following table compares total revenues for the years ended December 31, 2009 and 2008 (in thousands, except percentages):
                                 
    For the year ended     Increase  
    December 31,     (decrease)  
    2009     2008     $     %  
Infectious disease net product sales
  $ 127,961     $ 92,426     $ 35,535       38 %
Reproductive and women’s health net product sales
    21,807       22,989       (1,182 )     (5 )%
Other net product sales
    13,264       11,427       1,837       16 %
Royalty income and license fees
    1,250       1,290       (40 )     (3 )%
 
                         
Total revenues
  $ 164,282     $ 128,132     $ 36,150       28 %
 
                         
     The increase in total revenues was primarily driven by an increase in global sales of our influenza products. The decrease in sales of our reproductive and women’s health products was primarily related to our 2008 strategic sales initiative that affected distributor ordering patterns and had a resulting increase in their inventories. The increase in our other product sales category was a result of an increase in sales of our veterinary products.
     The revenue from royalty income and license fees for all periods primarily relate to royalty payments earned on our patented technologies utilized by third parties.
Cost of Sales
     Cost of sales increased 10% to $55.2 million, or 34% of total revenue, for the year ended December 31, 2009 compared to $50.2 million, or 39% of total revenues, for the year ended December 31, 2008. The absolute dollar increase is primarily related to the variable nature of direct costs (material and labor) associated with the 28% increase in total revenues. The percentage decrease in cost of sales as a percentage of total revenue was largely due to a more favorable product mix as our influenza tests are typically higher margin products for us.
Operating Expenses
     The following table compares operating expenses for the years ended December 31, 2009 and 2008 (in thousands, except percentages):
                                                 
    For the year ended        
    December 31,        
    2009     2008        
            As a % of             As a % of     Increase  
    Operating     total     Operating     total     (decrease)  
    expenses     revenues     expenses     revenues     $     %  
Research and development
  $ 12,526       8 %   $ 11,147       9 %   $ 1,379       12 %
Sales and marketing
    23,347       14 %     20,898       16 %     2,449       12 %
General and administrative
    16,783       10 %     12,786       10 %     3,997       31 %
Amortization of intangible assets
    1,364       1 %     4,476       4 %     (3,112 )     (70 )%
Restructuring charges
    2,038       1 %                 2,038       N/A  
Business acquisition costs
    457       N/A                   457       N/A  

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Research and Development Expense
     The increase in research and development expense was due primarily to an increase in overall employee compensation for 2009 as a result of an increase in headcount, an increase in costs associated with the development of potential new technologies and products under development and an increase in clinical studies related to our influenza products.
Sales and Marketing Expense
     The increase in sales and marketing expense was due primarily to an increase in promotions related to our influenza products, an overall increase in sales personnel and related programs and expenses and an increase in sales commissions associated with a higher sales volume for 2009 compared to 2008. Other key components of this expense relate to continued investment in assessing future product extensions and enhancements and market research.
General and Administrative Expense
     The increase in general and administrative expense was due primarily to an increase in overall incentive-based compensation and increased expenses as a result of hiring new executives in 2009. In addition, increased costs incurred in connection with our new credit facility.
Amortization of Intangible Assets
     The amortization of intangible assets decreased primarily due to the full amortization of a license agreement in December 2008.
Restructuring Charges
     We recorded a restructuring charge of $2.0 million, comprised of severance costs and costs associated with vacating the unutilized portion of our Santa Clara facility, during the fiscal year ended December 31, 2009, which is net of a $0.2 million stock-based compensation expense reversal for certain terminated employees.
Business Acquisition Costs
     We incurred $0.5 million in expenses in the fourth quarter of 2009 relating to the acquisition of DHI. The expenses relate primarily to professional fees.
Other Income (Expense)
     The decrease in interest income to $0.4 million as of December 31, 2009 from $1.7 million as of December 31, 2008 was primarily related to the decrease in interest rates. Interest expense relates to interest paid on our lease obligation associated with our San Diego facility.
Income Taxes
     The effective tax rate for the years ended December 31, 2009 and 2008 were 36.9% and 36.7%, respectively. We recognized income tax expense of $19.3 million for the year ended December 31, 2009 as compared to $11.0 million for the year ended December 31, 2008, which was largely driven by the increase in taxable income from 2008 to 2009. Income tax expense for 2009 includes a net reduction primarily related to the use of research and development credits and application of a manufacturing tax deduction. Income tax expense for 2008 includes a net reduction primarily related to deductions associated with investments in foreign subsidiaries and a manufacturing tax deduction.

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Comparison of years ended December 31, 2008 and 2007
Total Revenues
     The following table compares total revenues for the years ended December 31, 2008 and 2007 (in thousands, except percentages):
                                 
    For the year ended     Increase  
    December 31,     (decrease)  
    2008     2007     $     %  
Infectious disease net product sales
  $ 92,426     $ 75,896     $ 16,530       22 %
Reproductive and women’s health net product sales
    22,989       28,130       (5,141 )     (18 )%
Other net product sales
    11,427       12,864       (1,437 )     (11 )%
Royalty income and license fees
    1,290       1,175       115       10 %
 
                         
Total revenues
  $ 128,132     $ 118,065     $ 10,067       9 %
 
                         
     The increase in total revenues was primarily driven by increased sales of our infectious disease products, partially offset by a decrease in our reproductive and women’s health and other product categories. We believe the increase in total revenue of our infectious disease products, for both our domestic and international markets, was largely driven by increased market penetration and increased utilization of our influenza test, while the decrease associated with our reproductive and women’s health products was primarily driven by the timing of ordering patterns in the domestic market. Purchases by end-users of our non-seasonal products remained fairly constant for the twelve months ended December 31, 2008 as compared to the previous twelve months. Sales of our infectious disease and reproductive and women’s health products accounted for 90% and 88% of our total revenue for the years ended December 31, 2008 and 2007, respectively.
     The revenue from royalty income and license fees for all periods primarily relate to royalty payments earned on our patented technologies utilized by third parties.
Cost of Sales
     Cost of sales increased 3% to $50.2 million, or 39% of total revenue, for the year ended December 31, 2008 compared to $48.6 million, or 41% of total revenues, for the year ended December 31, 2007. The absolute dollar increase is primarily related to the variable nature of direct costs (material and labor) associated with the 9% increase in total revenues. The percentage decrease in cost of sales as a percentage of total revenue was primarily due to a more favorable product mix, partially offset by lower average selling prices.
Operating Expenses
     The following table compares operating expenses for the years ended December 31, 2008 and 2007 (in thousands, except percentages):
                                                 
    For the year ended        
    December 31,        
    2008     2007        
            As a % of             As a % of     Increase  
    Operating     total     Operating     total     (decrease)  
    expenses     revenues     expenses     revenues     $     %  
Research and development
  $ 11,147       9 %   $ 12,855       11 %   $ (1,708 )     (13 )%
Sales and marketing
    20,898       16 %     18,491       16 %     2,407       13 %
General and administrative
    12,786       10 %     13,167       11 %     (381 )     (3 )%
Amortization of intangible assets
    4,476       4 %     5,493       5 %     (1,017 )     (19 )%
Research and Development Expense
     The decrease in research and development expense was due primarily to the discontinuation of our layered thin film immunoassay program in the fourth quarter of 2007 and a decrease in overall incentive-based compensation for 2008, partially offset by increased investment in other strategic research and development efforts. The primary components of research and development expense are personnel and material costs associated with development of potential new technologies and processes and with products under development. In addition, we continue to incur substantial costs related to clinical trials as well as our overall efforts under our QVB programs.
Sales and Marketing Expense
     The increase in sales and marketing expense was primarily related to an overall increase in sales personnel and related programs and expenses as well increased expenses associated with distribution events and trade shows, which support our leadership position and strategies to capitalize further on opportunities in POC diagnostics. This was partially offset by a decrease in overall incentive-based compensation for 2008. Other key components of this expense relate to continued investment in assessing future product extensions and enhancements, market research (including voice of customer surveys), reimbursement-related activities and product shipment costs.

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General and Administrative Expense
     The decrease in general and administrative expense was primarily due to a decrease in overall incentive-based compensation for 2008, partially offset by increased headcount added during late 2007.
Amortization of Intangible Assets
     The amortization of intangible assets decreased primarily due to the full amortization of certain purchased technology in fiscal year 2007. In December 2008, amortization of $3.0 million associated with a license agreement became fully amortized. Unless the company acquires new intangible assets, amortization of intangibles will decrease in 2009.
Other Income (Expense)
     The slight decrease in interest income to $1.7 million as of December 31, 2008 from $1.9 million as of December 31, 2007 was primarily related to the decrease in interest rates, partially offset by an increase in our average cash balance for the year ended December 31, 2008 as compared to the year ended December 31, 2007. Interest expense was relatively constant at $0.7 million for both of the years ended December 31, 2008 and 2007 and relates to interest paid on our lease obligation associated with our San Diego facility.
Income Taxes
     We recognized income tax expense of $11.0 million for the year ended December 31, 2008 as compared to $6.9 million for the year ended December 31, 2007, which was largely driven by the increase in taxable income from 2007 to 2008. Income tax expense for 2008 includes a net reduction primarily related to deduction associated with investments in foreign subsidiaries and a manufacturing tax deduction. Income tax expense for 2007 includes a reduction of $0.7 million for the completion of a research and development tax credit study for prior years.
Liquidity and Capital Resources
     As of December 31, 2009, our principal sources of liquidity consisted of $89.0 million in cash and cash equivalents, $4.0 million in marketable securities, as well as $120.0 million available to us under our senior secured syndicated credit facility (the “Senior Credit Facility”), which can fluctuate from time to time due to, among other factors, our funded debt to adjusted earnings before interest, taxes, depreciation and amortization (“adjusted EBITDA”) ratio. Our working capital as of December 31, 2009 was $96.7 million.
     Cash provided by our operating activities was $72.8 million for the year ended December 31, 2009. We had net income of $32.9 million, including non-cash charges of $6.4 million of depreciation and amortization of intangible assets and property and equipment. Other changes in operating assets and liabilities included a decrease in accounts receivable of $15.6 million due to the timing of sales during the fourth quarter of 2009 compared to the fourth quarter of 2008, an increase in accrued royalties of $2.9 million due to the increase in revenue for fiscal year 2009, and an increase in inventory of $3.3 million primarily related to increased production in preparation for the upcoming flu season, which historically occurs in the first half of the year. In addition, the increase in income taxes payable of $7.5 million was primarily due to higher taxable earnings for 2009 compared to 2008.
     Our investing activities used $11.2 million during the year ended December 31, 2009, which was primarily for the acquisition of production and scientific equipment and building improvements. We had investments in property, plant and equipment of $0.2 million which had not been paid as of December 31, 2009.
     We are currently planning approximately $9.0 million in capital expenditures over the next 12 months. The primary purpose for our capital expenditures is to acquire manufacturing equipment, implement facility improvements, and for information technology. We plan to fund these capital expenditures with cash flow from operations. We have $2.1 million in firm purchase commitments with respect to such planned capital expenditures as of the date of filing this report.
     Our financing activities used $30.5 million of cash during the year ended December 31, 2009 which was primarily related to the repurchase of approximately 3.2 million shares of our common stock at a cost of $33.5 million, partially offset by $1.4 million in excess tax benefits from share-based compensation, and proceeds of $1.9 million received from the issuance of common stock under our equity incentive and employee stock purchase plans.
     Our $120.0 million Senior Credit Facility matures on October 8, 2013. The Senior Credit Facility bears interest at a rate ranging from 0.50% to 1.75% plus the lender’s prime rate or, at our option, a rate ranging from 1.50% to 2.75% plus the

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London InterBank Offering Rate. The agreement governing the Senior Credit Facility is subject to certain customary limitations, including among others: limitation on liens; limitation on mergers, consolidations and sales of assets; limitation on debt; limitation on dividends, stock redemptions and the redemption and/or prepayment of other debt; limitation on investments (including loans and advances) and acquisitions; limitation on transactions with affiliates; and limitation on annual capital expenditures. The terms of the Senior Credit Facility require us to comply with certain financial covenants which include a funded debt to earnings before, among others, interest, taxes, depreciation and amortization (adjusted EBITDA, as defined in the Senior Credit Facility) ratio, and an interest coverage ratio. The Senior Credit Facility is secured by substantially all present and future assets and properties of the Company. As of December 31, 2009, we had $120.0 million available under the Senior Credit Facility. At December 31, 2009, we had no amounts outstanding under the Senior Credit Facility and we were in compliance with all financial covenants. See Note 2 in the Notes to the Consolidated Financial Statements included in this Annual Report. In connection with the acquisition of DHI, which closed on February 19, 2010, we borrowed $75.0 million on our line of credit.
     We also intend to continue to evaluate acquisition and technology licensing candidates. As such, we may need to incur additional debt, or issue additional equity, to successfully complete these transactions. Cash requirements fluctuate as a result of numerous factors, such as the extent to which we generate cash from operations, progress in research and development projects, competition and technological developments and the time and expenditures required to obtain governmental approval of our products. Based on our current cash position and the current assessment of future operating results, we believe that our existing sources of liquidity will be adequate to meet operating needs during the next 12 months and the foreseeable future.
Off-Balance Sheet Arrangements
     At December 31, 2009 and 2008, we did not have any relationships with unconsolidated entities or financial partners, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes. As such, we are not materially exposed to any financing, liquidity, market or credit risk that could arise if we had engaged in such relationships.
Contractual Obligations
     Our facilities and certain equipment are leased under non-cancelable operating leases. Our approximately 78,000 square-foot San Diego facility is subject to a financing arrangement with payments to December 2019. The following is a summary of our contractual obligations (in thousands):
                                         
    Payment due by period  
            Less than     1-3     3-5     More than  
    Total     1 year     Years     Years     5 years  
Lease obligation(1)
  $ 12,294     $ 1,083     $ 2,190     $ 2,224     $ 6,797  
Operating lease obligations(2)
    4,616       1,051       1,902       1,663        
 
                             
Total
  $ 16,910     $ 2,134     $ 4,092     $ 3,887     $ 6,797  
 
                             
 
(1)   Reflects our lease obligation on the approximately 78,000 square-foot San Diego facility in place as of December 31, 2009. Our future obligation under this financing arrangement is included in the table above.
 
(2)   Reflects obligations on facilities and equipment under operating leases in place as of December 31, 2009. In the fourth quarter of 2009, we entered into an agreement to lease approximately 10,000 square feet of additional office space in San Diego with a lease term to October 2011. In the fourth quarter of 2007, we entered into a new operating lease at our Santa Clara location, including extending the term of the lease through 2014. Future minimum lease payments are included in the table above.
     We have entered into various licensing agreements, which require royalty payments based on specified product sales. These agreements, which have estimated expiration dates through early 2015, encompass the majority of our products. Royalty expenses under these licensing agreements, which are charged to cost of sales, collectively totaled $13.5 million, $10.5 million and $9.4 million for the years ended December 31, 2009, 2008 and 2007, respectively. We believe we will continue to incur substantial royalty expenses relating to future sales of our products.

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Critical Accounting Policies and Estimates
     Our discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the U.S. The preparation of these financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On an on-going basis, we evaluate our estimates, including those related to customer programs and incentives, bad debts, inventories, intangible assets, income taxes, restructuring and contingencies and litigation. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.
     We believe the following critical accounting policies affect our more significant judgments and estimates used in the preparation of our consolidated financial statements:
     Revenue Recognition
     We record revenues primarily from product sales. These revenues are recorded net of rebates and other discounts which are estimated at the time of sale. The rebates and other discounts are largely driven by various customer program offerings, including special pricing agreements, promotions and other volume-based incentives. Revenue from product sales is recorded upon passage of title and risk of loss to the customer. Change in title to the product and recognition of revenue occur upon delivery to the customer when sales terms are free on board (“FOB”) destination and at the time of shipment when the sales terms are FOB shipping point and there is no right of return. We also earn income from the licensing of technology. Royalty income from the grant of license rights is recognized during the period in which the revenue is earned and the amount is determinable from the licensee. Income earned from licensing activities is a component of total revenues in the accompanying Consolidated Statements of Income.
     Stock-Based Compensation
     Compensation expense related to stock options granted is recognized ratably over the service vesting period for the entire option award. The total number of stock options expected to vest is adjusted by estimated forfeiture rates. The estimated fair value of each stock option was determined on the date of grant using the Black-Scholes option valuation model. Compensation expense for restricted stock awards (“stock awards”) is measured at the grant date and recognized ratably over the vesting period. The fair value of stock awards is determined based on the closing market price of our common stock on the grant date. A majority of the stock awards granted in 2007 were performance-based and vesting was tied to achievement of predetermined revenue and/or EBITDA goals. For purposes of measuring compensation expense, the amount of shares ultimately expected to vest is estimated at each reporting date based on management’s expectations regarding the relevant performance criteria. The recognition of compensation expense associated with performance-based grants requires judgment in assessing the probability of meeting the performance goals, as well as defined criteria for assessing achievement of the performance related goals. This may result in significant expense recognition or reversal in the period in which the performance goals are met or when achievement of the goals is deemed probable or may result in the reversal of previously recognized stock-based compensation expense if the performance criteria are deemed not probable of being met. The grant date of the performance-based stock awards takes place when the grant is authorized and the specific achievement goals are communicated. The communication date of the performance goals can impact the valuation and associated expense of the stock awards. In the fourth quarter of 2009, we recognized approximately $1.0 million in compensation expense associated with the 2007 performance-based stock awards as the associated revenue and EBITDA goals were met.
     The computation of the expected option life is based on a weighted-average calculation combining the average life of options that have already been exercised and post-vest cancellations with the estimated life of the remaining vested and unexercised options. The expected volatility is based on the historical volatility of our stock. The volatility of our stock has decreased in recent fiscal periods, and as a result in fiscal year 2008, we changed our look-back period in determining volatility to the third quarter of 2005. The risk-free interest rate is based on the U.S Treasury yield curve over the expected term of the option. We have never paid any cash dividends on our common stock, and we do not anticipate paying any cash dividends in the foreseeable future. Consequently, we use an expected dividend yield of zero in the Black-Scholes option valuation model. The estimated forfeiture rate is based on our historical experience and future expectations.

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     Reserve for Uncollectible Accounts Receivable
     We maintain an allowance for doubtful accounts for estimated losses resulting from the inability of our customers to make required payments. Our allowance for doubtful accounts is based on our assessment of the collectibility of specific customer accounts, the aging of accounts receivable, our history of bad debts, and the general condition of the industry. If a major customer’s credit worthiness deteriorates, or our customers’ actual defaults exceed our historical experience, our estimates could change and adversely impact our reported results.
     Inventory
     Our policy is to value inventories at the lower of cost or market on a part-by-part basis. This policy requires us to make estimates regarding the market value of our inventories, including an assessment of excess or obsolete inventories. We determine excess and obsolete inventories based on an estimate of the future demand for our products within a specified time horizon, generally 12 months. The estimates we use for demand are also used for near-term capacity planning and inventory purchasing and are consistent with our revenue forecasts. If our demand forecast is greater than our actual demand, we may be required to take additional excess inventory charges, which would decrease gross margin and adversely impact net operating results in the future.
     Intangible Assets
     Intangible assets with definite lives are amortized over their estimated useful lives. Useful lives are based on the expected number of years the asset will generate revenue or otherwise be used by us. Goodwill and other intangible assets that have indefinite lives are not amortized but instead are tested at least annually for impairment, or more frequently when events or changes in circumstances indicate that the asset might be impaired. Examples of such events or circumstances include:
    the asset’s ability to continue to generate income from operations and positive cash flow in future periods;
 
    any volatility or significant decline in our stock price and market capitalization compared to our net book value;
 
    loss of legal ownership or title to an asset;
 
    significant changes in our strategic business objectives and utilization of our assets; and
 
    the impact of significant negative industry or economic trends.
     If a change were to occur in any of the above-mentioned factors or estimates, the likelihood of a material change in our reported results would increase.
     For goodwill, a two-step test is used to identify the potential impairment and to measure the amount of impairment, if any. The first step is to compare the fair value of a reporting unit with the carrying amount, including goodwill. If the fair value of a reporting unit exceeds its carrying amount, goodwill is considered not impaired; otherwise, goodwill is impaired and the loss is measured by performing step two. Under step two, the impairment loss is measured by comparing the implied fair value of the reporting unit with the carrying amount of goodwill. We are required to perform periodic evaluations for impairment of goodwill balances. We completed our annual evaluation for impairment of goodwill as of December 31, 2009 and determined that no impairment of goodwill existed.
     Income Taxes
     Significant judgment is required in determining our provision for income taxes, current tax assets and liabilities, deferred tax assets and liabilities, and our future taxable income for purposes of assessing our ability to realize future benefit from our deferred tax assets. A valuation allowance is established to reduce our deferred tax assets to the amount that is considered more likely than not to be realized through the generation of future taxable income and other tax planning opportunities. To the extent that a determination is made to establish or adjust a valuation allowance, the expense or benefit is recorded in the period in which the determination is made.
     We recognize liabilities for uncertain tax positions based on a two-step process. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the

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position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon settlement. While we believe that we have appropriate support for the positions taken on our tax returns, we regularly assess the potential outcome of examinations by tax authorities in determining the adequacy of our provision for income taxes. In accordance with this guidance which was adopted on January 1, 2007, we recognized a cumulative-effect adjustment of $0.7 million, increasing the balance of retained earnings. See Note 3 in the Notes to the Consolidated Financial Statements included in this Annual Report for more information on income taxes.
     We recognize excess tax benefits associated with the exercise of stock options directly to stockholders’ equity only when realized. Accordingly, deferred tax assets are not recognized for net operating loss carryforwards resulting from excess tax benefits. As of December 31, 2009 and 2008, deferred tax assets do not include $2.2 million and $2.7 million, respectively, of these excess tax benefits from employee stock option exercises that are a component of our net operating loss carryforwards. Additional paid-in capital would be increased up to $2.2 million if such excess tax benefits are realized.
Item 7A.   Quantitative and Qualitative Disclosures About Market Risk
     Interest Rate Risk
     The fair market value of our floating interest rate debt is subject to interest rate risk. Generally, the fair market value of floating interest rate debt will vary as interest rates increase or decrease. A hypothetical 100 basis point adverse move in interest rates along the entire interest rate yield curve would not materially affect the fair value of our interest sensitive financial instruments at December 31, 2009. Based on our market risk sensitive instruments outstanding at December 31, 2009 and 2008, we have determined that there was no material market risk exposure to our consolidated financial position, results of operations or cash flows as of such dates.
     Our current investment policy with respect to our cash and cash equivalents and marketable securities focuses on maintaining acceptable levels of interest rate risk and liquidity. Although we continually evaluate our placement of investments, as of December 31, 2009, our cash and cash equivalents and marketable securities were placed in certificates of deposit, commercial paper, money market or overnight funds that are highly liquid and which we believe are not subject to material market fluctuation risk.
     Foreign Currency Exchange Risk
     All of our international sales are negotiated for and paid in U.S. dollars. Nonetheless, these sales are subject to currency risks, since changes in the values of foreign currencies relative to the value of the U.S. dollar can render our products comparatively more expensive. These exchange rate fluctuations could negatively impact international sales of our products, as could changes in the general economic conditions in those markets. Continued change in the values of the Euro, the Japanese Yen and other foreign currencies could have a negative impact on our business, financial condition and results of operations. We do not currently hedge against exchange rate fluctuations, which means that we are fully exposed to exchange rate changes.
Item 8.   Financial Statements and Supplementary Data
     The consolidated financial statements and supplementary data required by this item are set forth at the pages indicated in Item 15(a)(1) and are incorporated herein.

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Part III
Item 9.   Changes in and Disagreements With Accountants on Accounting and Financial Disclosure
     None.
Item 9A.   Controls and Procedures
     Evaluation of disclosure controls and procedures: We have performed an evaluation under the supervision and with the participation of our management, including our Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), of the effectiveness of our disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”). Based on that evaluation, our CEO and CFO concluded that our disclosure controls and procedures were effective as of December 31, 2009 to provide reasonable assurance that information required to be disclosed by us in the reports filed or submitted by us under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.
     Changes in internal control over financial reporting: There was no change in our internal control over financial reporting during the three months ended December 31, 2009 that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.
     Management’s Report on Internal Control Over Financial Reporting: Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rule 13a-15(f). Our internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of our financial statements for external purposes in accordance with U.S. generally accepted accounting principles. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Under the supervision and with the participation of our management, including our CEO and CFO, we conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control—Integrated Framework, issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on our evaluation under the framework in Internal Control—Integrated Framework, our management concluded that our internal control over financial reporting was effective as of December 31, 2009.
     The effectiveness of our internal control over financial reporting as of December 31, 2009 has been audited by Ernst & Young LLP, an independent registered public accounting firm, as stated in their report which is included in this Item 9A.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Board of Directors and
Stockholders of Quidel Corporation
     We have audited Quidel Corporation’s internal control over financial reporting as of December 31, 2009, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“the COSO criteria”). Quidel Corporation’s management is responsible for maintaining effective internal control over financial reporting, and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.
     We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
     A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
     Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
     In our opinion, Quidel Corporation maintained, in all material respects, effective internal control over financial reporting as of December 31, 2009, based on the COSO criteria.
     We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of Quidel Corporation as of December 31, 2009 and 2008, and the related consolidated statements of income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2009 of Quidel Corporation and our report dated February 26, 2010 expressed an unqualified opinion thereon.
                                    /s/ Ernst & Young LLP
San Diego, California
February 26, 2010

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Item 9B.   Other Information
2010 Annual Meeting of Stockholders
     The Company’s 2010 Annual Meeting of Stockholders will be held on Wednesday, May 12, 2010, beginning at 8:30 a.m. (local time) at the San Diego Marriott Del Mar, 11966 El Camino Real, San Diego, California, 92130.
Item 10.   Directors, Executive Officers and Corporate Governance
     The information required by this item (with respect to directors) is incorporated by reference from the information under the caption “Election of Directors” to be contained in our 2010 Proxy Statement, which will be filed with the SEC no later than May 3, 2010. Information with respect to executive officers is included under Item 1 on pages 9-10 of this Annual Report.
     The information required by Items 405, 406 and 407 of Regulation S-K is incorporated by reference from the information under the captions “Corporate Governance,” “Code of Business Conduct and Ethics” and “Section 16(a) Beneficial Ownership Reporting Compliance,” to be contained in our 2010 Proxy Statement, which will be filed with the SEC no later than May 3, 2010.
Item 11.   Executive Compensation
     The information required by this item is incorporated by reference from the information under the captions “Director Compensation” and “Executive Compensation” to be contained in our 2010 Proxy Statement, which will to be filed with the SEC no later than May 3, 2010.
Item 12.   Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters
     The information required by Items 201(d) and 403 of Regulation S-K is incorporated by reference from the information under the captions “Equity Compensation Plan Information” and “Security Ownership of Certain Beneficial Owners and Management” to be contained in our 2010 Proxy Statement, which will be filed with the SEC no later than May 3, 2010.
Item 13.   Certain Relationships and Related Transactions, and Director Independence
     The information required by this item is incorporated by reference from the information under the captions “Compensation Committee Interlocks and Insider Participation,” “Certain Relationships and Related Transactions” and “Director Independence” to be contained in our 2010 Proxy Statement, which will be filed with the SEC no later than May 3, 2010.
Item 14.   Principal Accountant Fees and Services
     The information required by this item is incorporated by reference from the information under the caption “Independent Registered Public Accounting Firm” to be contained in our 2010 Proxy Statement, which will be filed with the SEC no later than May 3, 2010.

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Part IV
Item 15. Exhibits and Financial Statement Schedules
     The following documents are filed as part of this Form 10-K:
(a)   (1) Financial Statements
     The Consolidated Financial Statements required by this Item are submitted in a separate section beginning on page F-1 of this Annual Report and incorporated herein by reference.
Consolidated Financial Statements of Quidel Corporation
     
  F-1
  F-2
  F-3
  F-4
  F-5
  F-6
     (2) Financial Statement Schedules
     The following Financial Statement Schedule of Quidel Corporation for the years ended December 31, 2009, 2008 and 2007 is filed as part of this Annual Report and should be read in conjunction with the Consolidated Financial Statements of Quidel Corporation:
Schedule II. Consolidated Valuation and Qualifying Accounts.
     Financial Statement Schedules not listed above have been omitted because of the absence of conditions under which they are required or because the required information is included in the Consolidated Financial Statements or the Notes thereto.
     (3) Exhibits. See Paragraph 15(b) below.
(b)   Exhibits
     The exhibits listed on the accompanying Exhibit Index immediately following the Financial Statement Schedule are filed as part of, and incorporated by reference into, this Annual Report on Form 10-K.
(c)   Financial Statements required by Regulation S-X which are excluded from this Annual Report on Form 10-K by Rule 14(a)-3(b).
     Not applicable.

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SIGNATURES
     Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.
         
  Quidel Corporation
 
 
Date: February 26, 2010  By /s/ Douglas C. Bryant    
  Douglas C. Bryant   
  President, Chief Executive Officer
(Principal Executive Officer) and Director
 
 
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.
         
Signature   Title   Date
 
/s/ Douglas C. Bryant
 
  President, Chief Executive Officer (Principal Executive Officer), and Director   February 26, 2010
Douglas C. Bryant
       
 
       
/s/ John M. Radak
 
  Chief Financial Officer, (Principal Financial Officer and Accounting Officer)   February 26, 2010
John M. Radak
       
 
       
/s/ Mark A. Pulido
 
  Chairman of the Board    February 26, 2010 
Mark A. Pulido
       
 
       
/s/ Thomas D. Brown
 
  Director    February 26, 2010 
Thomas D. Brown
       
 
       
/s/ Kenneth F. Buechler
 
  Director    February 26, 2010 
Kenneth F. Buechler
       
 
       
/s/ Rodney F. Dammeyer
 
  Director    February 26, 2010 
Rodney F. Dammeyer
       
 
       
/s/ Mary Lake Polan
 
  Director    February 26, 2010 
Mary Lake Polan
       
 
       
/s/ Jack W. Schuler
 
  Director    February 26, 2010 
Jack W. Schuler
       

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Board of Directors and
Stockholders of Quidel Corporation
     We have audited the accompanying consolidated balance sheets of Quidel Corporation as of December 31, 2009 and 2008, and the related consolidated statements of income, stockholders’ equity and cash flows for each of the three years in the period ended December 31, 2009. Our audits also included the financial statement schedule listed in the Index at Item 15(a)(2). These financial statements and schedule are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements and schedule based on our audits.
     We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.
     In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Quidel Corporation at December 31, 2009 and 2008, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2009, in conformity with U.S. generally accepted accounting principles. Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material respects the information set forth therein.
     We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Quidel Corporation’s internal control over financial reporting as of December 31, 2009, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 26, 2010 expressed an unqualified opinion thereon.
         
     
  /s/ ERNST & YOUNG LLP    
     
     
 
San Diego, California
February 26, 2010

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QUIDEL CORPORATION
CONSOLIDATED BALANCE SHEETS
(in thousands, except par value)
                 
    December 31,  
    2009     2008  
ASSETS
               
Current assets:
               
Cash and cash equivalents
  $ 89,003     $ 57,908  
Marketable securities
    3,999        
Accounts receivable, net
    9,717       25,320  
Inventories
    15,038       11,702  
Deferred tax asset—current
    6,018       5,043  
Prepaid expenses and other current assets
    2,448       1,053  
 
           
Total current assets
    126,223       101,026  
Property, plant and equipment, net
    21,251       19,081  
Intangible assets, net
    8,413       9,833  
Deferred tax asset—non-current
    9,065       11,240  
Other non-current assets
    1,393       1,628  
 
           
Total assets
  $ 166,345     $ 142,808  
 
           
LIABILITIES AND STOCKHOLDERS’ EQUITY
               
Current liabilities:
               
Accounts payable
  $ 5,212     $ 4,317  
Accrued payroll and related expenses
    5,187       2,719  
Accrued royalties
    5,513       2,659  
Current portion of lease obligation
    234       862  
Income taxes payable
    6,151        
Other current liabilities
    7,227       4,877  
 
           
Total current liabilities
    29,524       15,434  
Lease obligation, net of current portion
    6,527       6,137  
Deferred rent
    788       948  
Income taxes payable
    2,360       1,053  
Other non-current liabilities
    696        
Commitments and contingencies
               
Stockholders’ equity:
               
Preferred stock, $.001 par value per share; 5,000 shares authorized, none issued or outstanding at December 31, 2009 and 2008
           
Common stock, $.001 par value per share; 50,000 shares authorized, 29,026 and 31,894 shares issued and outstanding at December 31, 2009 and 2008, respectively
    29       32  
Additional paid-in capital
    112,426       138,126  
Accumulated other comprehensive income
    34        
Retained earnings (accumulated deficit)
    13,961       (18,922 )
 
           
Total stockholders’ equity
    126,450       119,236  
 
           
Total liabilities and stockholders’ equity
  $ 166,345     $ 142,808  
 
           
See accompanying Notes.

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QUIDEL CORPORATION
CONSOLIDATED STATEMENTS OF INCOME
(in thousands, except per share data)
                         
    Year ended December 31,  
    2009     2008     2007  
Total revenues
  $ 164,282     $ 128,132     $ 118,065  
Costs and expenses
                       
Cost of sales (excludes amortization of intangible assets)
    55,218       50,206       48,573  
Research and development
    12,526       11,147       12,855  
Sales and marketing
    23,347       20,898       18,491  
General and administrative
    16,783       12,786       13,167  
Amortization of intangible assets
    1,364       4,476       5,493  
Restructuring charges
    2,038              
Business acquisition costs
    457              
 
                 
Total costs and expenses
    111,733       99,513       98,579  
 
                 
Operating income
    52,549       28,619       19,486  
Other income (expense)
                       
Interest income
    372       1,686       1,891  
Interest expense
    (767 )     (671 )     (736 )
Other income (expense)
    (5 )     135       (117 )
 
                 
Total other income (expense)
    (400 )     1,150       1,038  
 
                 
Income before provision for income taxes
    52,149       29,769       20,524  
Provision for income taxes
    19,266       10,921       6,893  
 
                 
Net income
  $ 32,883     $ 18,848     $ 13,631  
 
                 
Basic earnings per share
  $ 1.10     $ 0.59     $ 0.43  
Diluted earnings per share
  $ 1.08     $ 0.58     $ 0.41  
Shares used in basic per share calculations
    29,964       31,853       32,028  
Shares used in diluted per share calculations
    30,418       32,612       32,996  
See accompanying Notes.

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QUIDEL CORPORATION
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
                                                         
      Common Stock   Accumulated                    
                    Additional     other     Retained earnings     Total     Total  
                    paid-in     comprehensive     (accumulated     stockholders’     comprehensive  
      Shares   Amount     capital     income     deficit)     equity     income  
                            (in thousands)          
Balance at December 31, 2006
    33,530     $ 33     $ 155,357     $     $ (52,114 )   $ 103,276     $ 20,392  
Issuance of common stock under equity compensation plans
    912       1       2,792                   2,792          
Cancellation of common stock under equity compensation plans
    (147 )           (1 )                 (1 )        
Income tax benefit due to exercise/disposition of employee stock options
                1,033                   1,033          
Stock-based compensation expense
                4,117                   4,117          
Purchase of common stock
    (1,589 )     (1 )     (17,858 )                 (17,858 )        
Cumulative effect to prior year accumulated deficit related to the adoption of FIN 48
                            713       713          
Net income
                            13,631       13,631       13,631  
 
                                         
Balance at December 31, 2007
    32,706       33       145,440             (37,770 )     107,703     $ 13,631  
 
                                                     
Issuance of common stock under equity compensation plans
    661             3,346                   3,346          
Cancellation of common stock under equity compensation plans
    (131 )           (1 )                 (1 )        
Income tax benefit due to exercise/disposition of employee stock options
                6,476                   6,476          
Stock-based compensation expense
                2,677                   2,677          
Purchase of common stock
    (1,342 )     (1 )     (19,812 )                 (19,813 )        
Net income
                            18,848       18,848       18,848  
 
                                         
Balance at December 31, 2008
    31,894       32       138,126             (18,922 )     119,236     $ 18,848  
 
                                                     
Issuance of common stock under equity compensation plans
    551             1,860                   1,860          
Cancellation of common stock under equity compensation plans
    (240 )           (2 )                 (2 )        
Income tax benefit due to exercise/disposition of employee stock options
                1,429                   1,429          
Stock-based compensation expense
                4,522                   4,522          
Unrealized gains on marketable securities
                      34             34       34  
Purchase of common stock
    (3,179 )     (3 )     (33,509 )                 (33,512 )        
Net income
                            32,883       32,883       32,883  
 
                                         
Balance at December 31, 2009
    29,026     $ 29     $ 112,426     $ 34     $ 13,961     $ 126,450     $ 32,917  
 
                                         
See accompanying Notes.

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QUIDEL CORPORATION
CONSOLIDATED STATEMENTS OF CASH FLOWS
                         
    Year ended December 31,  
    2009     2008     2007  
            (in thousands)          
OPERATING ACTIVITIES
                       
Net income
  $ 32,883     $ 18,848     $ 13,631  
Adjustments to reconcile net income to net cash provided by operating activities:
                       
Depreciation, amortization and other
    6,366       8,681       9,684  
Stock-based compensation expense
    4,522       2,677       4,117  
Deferred tax asset
    2,629       8,071       5,523  
Excess tax benefit from share-based compensation
    (1,429 )     (6,476 )     (1,033 )
Changes in assets and liabilities:
                       
Accounts receivable
    15,603       (2,157 )     (5,024 )
Inventories
    (3,336 )     (665 )     (1,412 )
Prepaid expenses and other current assets
    (1,395 )     536       101  
Accounts payable
    924       (547 )     769  
Accrued payroll and related expenses
    2,468       (1,622 )     (527 )
Accrued royalties
    2,854       (630 )     (270 )
Accrued income taxes payable
    7,458             1,053  
Other current and non-current liabilities
    3,296       2,225       730  
 
                 
Net cash provided by operating activities
    72,843       28,941       27,342  
 
                 
INVESTING ACTIVITIES
                       
Acquisition of property and equipment
    (6,850 )     (4,118 )     (3,109 )
Purchases of marketable securities
    (3,999 )            
Acquisition of intangibles
    (250 )     (360 )     (640 )
Other assets
    (126 )     49       (21 )
 
                 
Net cash used for investing activities
    (11,225 )     (4,429 )     (3,770 )
 
                 
FINANCING ACTIVITIES
                       
Proceeds from issuance of common stock, net of cancellations
    1,858       3,345       2,792  
Excess tax benefit from share-based compensation
    1,429       6,476       1,033  
Payments on lease obligation
    (238 )     (765 )     (675 )
Purchase of common stock
    (33,512 )     (19,813 )     (17,858 )
Fees paid to establish line of credit
          (1,336 )      
Other
    (60 )            
 
                 
Net cash used for financing activities
    (30,523 )     (12,093 )     (14,708 )
 
                 
Net increase in cash and cash equivalents
    31,095       12,419       8,864  
Cash and cash equivalents at beginning of year
    57,908       45,489       36,625  
 
                 
Cash and cash equivalents at end of year
  $ 89,003     $ 57,908     $ 45,489  
 
                 
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
                       
Cash paid for interest
  $ 767     $ 671     $ 736  
 
                 
Cash paid for income taxes
  $ 10,337     $ 3,425     $ 362  
 
                 
NON-CASH INVESTING ACTIVITIES
                       
Purchase of license agreements by incurring current liabilities
  $     $     $ 560  
 
                 
Purchase of capital equipment by incurring current liabilities
  $ 234     $ 263     $ 1,017  
 
                 
See accompanying Notes.

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QUIDEL CORPORATION
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
Note 1. Company Operations and Summary of Significant Accounting Policies
     Quidel Corporation (the “Company”) commenced operations in 1979. The Company operates in one business segment, which develops, manufactures and markets diagnostic testing solutions for applications primarily in infectious diseases and reproductive and women’s health. The Company sells its products directly to end users and distributors, in each case, for professional use in physician offices, hospitals, clinical laboratories, reference laboratories, leading universities, retail clinics and wellness screening centers. The Company markets its products in the U.S. through a network of national and regional distributors, and a direct sales force. Internationally, the Company sells and markets primarily in Japan, Europe, and the Middle East through exclusive distributor arrangements.
     The accompanying consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with generally accepted accounting principles in the U.S. In preparing the accompanying consolidated financial statements, subsequent events have been evaluated up to and including February 26, 2010 which is the date these financial statements were issued.
     Consolidation—The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All significant intercompany accounts and transactions have been eliminated.
     Cash and Cash Equivalents—The Company considers cash equivalents to be highly liquid investments with a maturity at the date of purchase of three months or less.
     Marketable Securities—The Company considers marketable securities to be “available-for-sale”. Accordingly, marketable securities are presented at fair value with unrealized gains and losses recorded as a component of stockholders’ equity. Unrealized gains were not material for the fiscal year ended December 31, 2009.
     Accounts Receivable—The Company sells its products primarily to distributors in the U.S., Europe, the Middle East and Japan. The Company periodically assesses the financial strength of these customers and establishes reserves for anticipated losses when necessary, which historically have not been material. The Company’s reserves primarily consist of amounts related to cash discounts and contract rebates, and to a lesser extent returned good allowances and bad debts. The balance of accounts receivable is net of reserves of $3.3 million and $1.5 million at December 31, 2009 and 2008, respectively.
     Inventories—Inventories are stated at the lower of cost (first-in, first-out method) or market. The Company reviews the components of its inventory on a quarterly basis for excess, obsolete and impaired inventory and makes appropriate dispositions as obsolete stock is identified. Inventories consisted of the following, net of reserves of $0.1 million for year ended December 31, 2009 and $0.3 million for year ended December 31, 2008 (in thousands):
                 
    December 31,  
    2009     2008  
Raw materials
  $ 5,307     $ 4,956  
Work-in-process (materials, labor and overhead)
    3,711       3,108  
Finished goods (materials, labor and overhead).
    6,020       3,638  
 
           
 
  $ 15,038     $ 11,702  
 
           
     Property, Plant and Equipment—Property, plant and equipment is recorded at cost and depreciated over the estimated useful lives of the assets (three to 15 years) using the straight-line method. Amortization of leasehold improvements is computed on the straight-line method over the shorter of the lease term or the estimated useful lives of the assets. The total expense for depreciation of fixed assets and amortization of leasehold improvements was $3.8 million, $3.8 million and $4.1 million for the years ended December 31, 2009, 2008 and 2007, respectively. Maintenance and minor repairs are charged to operations as incurred. When assets are sold, or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts and any gain or loss is included in Other income (expense) in the Consolidated Statements of Income.

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     Property, plant and equipment consisted of the following (in thousands):
                 
    December 31,  
    2009     2008  
Equipment, furniture and fixtures
  $ 38,377     $ 36,050  
Building and improvements
    19,478       19,535  
Land
    1,080       1,080  
 
           
 
    58,935       56,665  
Less: Accumulated depreciation and amortization
    (37,684 )     (37,584 )
 
           
 
  $ 21,251     $ 19,081  
 
           
     Intangible Assets—Intangible assets are recorded at cost and amortized, except for indefinite-lived intangibles such as goodwill, on a straight-line basis over their estimated useful lives. Intangible assets consisted of the following (dollar amounts in thousands):
                                                         
    Weighted-              
    Average     December 31, 2009     December 31, 2008  
    Remaining Life     Gross     Accumulated             Gross     Accumulated        
Description   (years)     Assets     Amortization     Net     Assets     Amortization     Net  
Goodwill
    N/A     $ 9,918     $ (3,448 )   $ 6,470     $ 9,918     $ (3,448 )   $ 6,470  
Purchased technology
    N/A       6,100       (6,100 )           6,100       (6,100 )      
License agreements
    1.4       17,340       (15,958 )     1,382       17,490       (14,895 )     2,595  
Patent and trademark costs
    1.8       3,623       (3,332 )     291       3,623       (3,181 )     442  
Favorable lease
    4.8       1,700       (1,430 )     270       1,700       (1,374 )     326  
 
                                           
 
          $ 38,681     $ (30,268 )   $ 8,413     $ 38,831     $ (28,998 )   $ 9,833  
 
                                           
     Amortization expense was $1.4 million, $4.5 million and $5.5 million for the years ended December 31, 2009, 2008 and 2007, respectively.
     The expected future annual amortization expense of the Company’s intangible assets is as follows (in thousands):
         
    Amortization  
Years Ended December 31,   Expense  
2010
  $ 1,355  
2011
    342  
2012
    141  
2013
    55  
2014
    50  
Thereafter
     
 
     
Total
  $ 1,943  
 
     
     The Company completed its annual evaluation for impairment of goodwill as of December 31, 2009 and determined that no impairment of goodwill existed. A significant decline in the Company’s projected revenue or earnings growth or cash flows, a significant decline in the Company’s stock price or the stock price of comparable companies, loss of legal ownership or title to an asset, and any significant change in the Company’s strategic business objectives and utilization of assets are among many factors that could result in an impairment charge that could have a material negative impact on the Company’s operating results.
     Impairment of Long-Lived Assets—The Company reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the total book value of an asset may not be recoverable. An impairment loss is recognized when estimated undiscounted future cash flows expected to result from the use of the asset and the eventual disposition are less than its carrying amount. An impairment loss is equal to the excess of the book value of an asset over its determined fair value. For the year ended December 31, 2009, the Company recorded $0.2 million of impairment charges related to certain production equipment.

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     Other current liabilities—Other current liabilities consisted of the following (in thousands):
                 
    December 31,  
    2009     2008  
Volume discounts
  $ 4,824     $ 3,593  
Stock repurchases not settled as of December 31, 2009
    1,234        
Amounts due on technology and license acquisition
          250  
Accrued professional fees
    345       337  
Other
    824       697  
 
           
 
  $ 7,227     $ 4,877  
 
           
     Revenue Recognition—The Company records revenues primarily from product sales. These revenues are recorded net of rebates and other discounts which are estimated at the time of sale, and are largely driven by various customer program offerings, including special pricing agreements, promotions and other volume-based incentives. Revenue from product sales are recorded upon passage of title and risk of loss to the customer. Change in title to the product and recognition of revenue occurs upon delivery to the customer when sales terms are free on board (“FOB”) destination and at the time of shipment when the sales terms are FOB shipping point and there is no right of return. The Company also earns income from the licensing of technology. Royalty income from the grant of license rights is recognized during the period in which the revenue is earned and the amount is determinable from the licensee. Income earned from licensing activities is a component of total revenues in the accompanying Consolidated Statements of Income.
     Research and Development Costs—All research and development costs are charged to operations as incurred.
     Product Shipment Costs—Product shipment costs are included in sales and marketing expense in the accompanying Consolidated Statements of Income. Shipping and handling costs were $1.3 million, $1.5 million and $1.7 million for the years ended December 31, 2009, 2008 and 2007, respectively.
     Advertising Costs—Advertising costs are expensed as incurred. Advertising costs were $1.1 million, $0.8 million and $0.7 million for the years ended December 31, 2009, 2008 and 2007, respectively.
     Deferred Rent—Rent expense is recorded on a straight-line basis over the term of the lease. The difference between rent expense and amounts paid under the lease agreement is recorded as deferred rent.
     Income Taxes—Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes, using enacted tax rates in effect for the year in which the differences are expected to reverse. Valuation allowances are established, when necessary, to reduce deferred tax assets to the amount expected to be realized.
     Fair Value of Financial Instruments—The carrying amounts of the Company’s financial instruments, including cash, receivables, accounts payable, accrued liabilities and outstanding balances owed under the line of credit, if any, approximate their fair values due to their short-term nature. Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of trade accounts receivable. The Company establishes reserves for estimated uncollectible accounts and believes its reserves are adequate.
     Product Warranty—The Company generally sells products with a limited product warranty and certain limited indemnifications. The accrual and the related expense for known issues were not significant as of and for the fiscal years presented. Due to product testing, the short time between product shipment and the detection and correction of product failures and a low historical rate of payments on indemnification claims, the accrual based on historical activity and the related expense were not significant as of and for the fiscal years presented.
     Stock-Based Compensation—Compensation expense related to stock options granted is recognized ratably over the service vesting period for the entire option award. The total number of stock options expected to vest is adjusted by estimated forfeiture rates. The estimated fair value of each stock option was determined on the date of grant using the Black-Scholes option valuation model. Compensation expense for restricted stock awards (“stock awards”) is measured at the grant date and recognized ratably over the vesting period. The fair value of stock awards is determined based on the closing market price of our common stock on the grant date.
     Computation of Earnings Per Share—Basic earnings per share were computed by dividing net earnings by the weighted-average number of common shares outstanding, including vested restricted stock awards, during the period. Diluted earnings per share reflects the potential dilution that could occur if the earnings were divided by the weighted-average number of common shares and potentially dilutive common shares from outstanding stock options as well as unvested restricted stock awards. Potential dilutive common shares were calculated using the treasury stock method and represent incremental shares issuable upon exercise of the Company’s outstanding stock options and unvested restricted stock awards. The Company has awarded restricted stock with both service-based as well as performance-based vesting provisions. Stock awards that are performance-based are not included in the calculation of basic earnings per share until the performance criteria are met and the stock award has vested. For the year ended December 31, 2009, the Company included 0.1 million

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performance-based stock awards in the computation of diluted earnings per share as the performance criteria had been met, but the stock awards had not yet vested. For periods in which the Company incurs losses, potentially dilutive shares are not considered in the calculation of net loss per share as their effect would be anti-dilutive. For periods in which the Company has earnings, out-of-the-money stock options (i.e., the average stock price during the period is below the exercise price of the stock option) are not included in diluted earnings per common share as their effect would be anti-dilutive.
     During the years ended December 31, 2009, 2008 and 2007, 1.6 million, 0.8 million and 0.3 million shares of outstanding stock options were not included in the computation of diluted earnings per common share for 2009, 2008 and 2007, respectively, because the option exercise price was greater than the average market price of the common stock, and therefore, the effect on diluted earnings per common share would be anti-dilutive.
     The following table reconciles the weighted-average shares used in computing basic and diluted earnings per share in the respective periods (in thousands):
                         
    Year ended December 31,  
    2009     2008     2007  
Shares used in basic earnings per share (weighted-average common shares outstanding)
    29,964       31,853       32,028  
Effect of dilutive stock options and restricted stock awards
    454       759       968  
 
                 
Shares used in diluted earnings per share calculation
    30,418       32,612       32,996  
 
                 
     Comprehensive Income—Comprehensive income includes unrealized gains and losses excluded from the Company’s Consolidated Statements of Income. The components of accumulated other comprehensive income for the year ended December 31, 2009 are unrealized gains on marketable securities.
     Use of Estimates—The preparation of financial statements in conformity with accounting principles generally accepted in the U.S. requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
     Accounting Periods—Each of the Company’s fiscal quarters end on the Sunday closest to the end of the calendar quarter. The Company’s fiscal year end is January 3, 2010. For ease of reference, the calendar quarter end dates are used herein.
Note 2. Line of Credit
     The Company currently has a $120.0 million senior secured syndicated credit facility (the “Senior Credit Facility”), which matures on October 8, 2013. The Senior Credit Facility bears interest at a rate ranging from 0.50% to 1.75% plus the lender’s prime rate or, at the Company’s option, a rate ranging from 1.50% to 2.75% plus the London InterBank Offering Rate. The agreement governing the Senior Credit Facility is subject to certain customary limitations, including among others: limitation on liens; limitation on mergers, consolidations and sales of assets; limitation on debt; limitation on dividends, stock redemptions and the redemption and/or prepayment of other debt; limitation on investments (including loans and advances) and acquisitions; limitation on transactions with affiliates; and limitation on annual capital expenditures. The Company is also subject to financial covenants which include a funded debt to earnings before, among others, interest, taxes, depreciation and amortization (adjusted EBITDA, as defined in the Senior Credit Facility) ratio, and an interest coverage ratio. The Senior Credit Facility is secured by substantially all present and future assets and properties of the Company. As of December 31, 2009, the Company had $120.0 million available under the Senior Credit Facility, which can fluctuate from time to time due to, among other factors, the Company’s funded debt to adjusted EBITDA ratio. At December 31, 2009, the Company had no amounts outstanding under the Senior Credit Facility and was in compliance with all financial covenants. Refer to Note 11 for discussion regarding our draw down on the Senior Credit Facility in connection with the acquisition of DHI.

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Note 3. Income Taxes
     The Company’s income from continuing operations before provision for income taxes were subject to taxes in the following jurisdictions for the following periods (in thousands):
                         
    December 31,  
    2009     2008     2007  
United States
  $ 52,224     $ 29,671     $ 20,628  
Foreign
    (75 )     98       (104 )
 
                 
 
  $ 52,149     $ 29,769     $ 20,524  
 
                 
     Significant components of the provision for income taxes from continuing operations are as follows (in thousands):
                         
    December 31,  
    2009     2008     2007  
Current:
                       
Federal
  $ 16,059     $ 7,677     $ 310  
State
    2,007       1,650       1,017  
 
                 
Total current provision
    18,066       9,327       1,327  
Deferred:
                       
Federal
    (21 )     1,287       6,325  
State
    1,221       307       (759 )
 
                 
Total deferred (benefit) provision
    1,200       1,594       5,566  
 
                 
Provision for income taxes
  $ 19,266     $ 10,921     $ 6,893  
 
                 
     Significant components of the Company’s deferred tax assets as of December 31, 2009 and 2008 are shown below (in thousands).
                 
    December 31,  
    2009     2008  
Deferred tax assets:
               
Acquired intangibles
  $ 2,997     $ 2,854  
Sale-leaseback, net
    2,528       2,851  
Capitalized research and development costs
    1,344       2,750  
Allowance for returns and discounts
    3,182       1,989  
Stock compensation
    2,325       1,424  
Tax credit carry forwards
    24       1,333  
Depreciation
    129       582  
Other, net
    2,554       2,500  
 
           
Total deferred tax assets
  $ 15,083     $ 16,283  
Valuation allowance for deferred tax assets
           
 
           
Deferred tax assets, net of valuation allowance
    15,083       16,283  
Deferred tax liabilities
           
 
           
Net deferred tax assets
  $ 15,083     $ 16,283  
 
           
     The Company will continue to assess the realization of its deferred tax assets. Should the Company determine that it would not be able to realize all or part of its other components of the deferred tax asset in the future, an adjustment to the deferred tax asset would be charged to income in the period such determination were made.
     The Company recognizes excess tax benefits associated with the exercise of stock options directly to stockholders’ equity only when realized. Accordingly, deferred tax assets are not recognized for net operating loss (“NOL”) carryforwards resulting from excess tax benefits. As of December 31, 2009 and 2008, deferred tax assets do not include $2.2 million and $2.7 million, respectively, of these excess tax benefits from employee stock option exercises that are a component of the Company’s NOL carryforwards. Additional paid-in capital would be increased up to an additional $2.2 million if such excess tax benefits are realized.
     As of December 31, 2009, the Company had federal NOL carryforwards of approximately $6.2 million which will expire at various dates through December 31, 2025, unless previously utilized. The Company has gross state research credits of $2.7 million which do not expire.
     Pursuant to Internal Revenue Code (“IRC”) Sections 382 and 383, the Company’s use of its NOL and research credit carryforwards may be limited as a result of cumulative changes in ownership of more than 50% over a three-year period.

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     The reconciliation of income tax computed at the federal statutory rate to the provision for income taxes from continuing operations is as follows (in thousands):
                         
    Year ended December 31,  
    2009     2008     2007  
Tax expense at statutory tax rate
  $ 18,255     $ 10,417     $ 6,978  
State taxes, net of federal tax
    2,270       1,588       993  
Permanent differences
    (788 )     (153 )     291  
Federal and state research credits—current year
    (835 )     (569 )     (655 )
Federal and state research credits—prior year true-up
                (765 )
Liability for uncertain tax positions
    299       152       288  
Foreign taxes and foreign (income) losses not benefited (taxed)
    23       (34 )     35  
Impact of change in federal and state tax rate on revaluing DTAs
    310       (594 )      
Other
    (268 )     114       (272 )
 
                 
 
  $ 19,266     $ 10,921     $ 6,893  
 
                 
     The Company recognizes liabilities for uncertain tax positions based on a two-step process. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon settlement. While the Company believes that it has appropriate support for the positions taken on its tax returns, the Company regularly assesses the potential outcome of examinations by tax authorities in determining the adequacy of its provision for income taxes. The Company adopted this guidance on January 1, 2007, and recognized a cumulative-effect adjustment of $0.7 million, increasing retained earnings.
     The following table summarizes the activity related to the Company’s unrecognized tax benefits (in thousands):
                 
    2009     2008  
Beginning balance
  $ 6,510     $ 6,165  
Increases related to prior year tax positions
    184        
Increases related to current year tax positions
    372       269  
Decreases due to settlements
          (64 )
Other
    (83 )     140  
 
           
Ending balance
  $ 6,983     $ 6,510  
 
           
     Included in the unrecognized tax benefits as of December 31, 2009 was $5.6 million of tax benefits that, if recognized, would reduce the Company’s annual effective tax rate. The Company does not expect the unrecognized tax benefits to change significantly over the next 12 months. The Company’s policy is to recognize the interest expense and penalties related to income tax matters as a component of income tax expense. The Company has accrued an immaterial amount of interest and penalties associated with uncertain tax positions as of December 31, 2009.
     The Company is subject to periodic audits by domestic and foreign tax authorities. The Company’s federal tax years for 1995 and forward are subject to examination by the U.S. authorities due to the carry forward of unutilized net operating losses and research and development credits. With few exceptions, the Company’s tax years 1999 and forward are subject to examination by state and foreign tax authorities. The Company believes it has appropriate support for the income tax positions taken on its tax returns and that its accruals for tax liabilities are adequate for all open years based on an assessment of many factors, including past experience and interpretations of tax law applied to the facts of each matter.
Note 4. Stockholders’ Equity
     Preferred Stock. The Company’s certificate of incorporation, as amended, authorizes the issuance of up to five million preferred shares. The Board of Directors is authorized to fix the number of shares of any series of preferred stock and to determine the designation of such shares. However, the amended certificate of incorporation specifies the initial series and the rights of that series. No shares of preferred stock were outstanding as of December 31, 2009 and 2008.
     Stockholder Rights Plan. The Board of Directors of the Company adopted a Stockholder Rights Plan, effective December 31, 1996 and as amended and restated, effective May 24, 2002 and then again on December 29, 2006 (the “Rights Plan”), which provides for a dividend of one right (a “Right”) to purchase fractions of shares of the Company’s Series C

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Junior Participating Preferred Stock for each share of the Company’s common stock. Under certain conditions involving an acquisition by any person or group of 15% or more of the Company’s common stock, the Rights permit the holders (other than the 15% holder) to purchase the Company’s common stock at a 50% discount upon payment of an exercise price of $24 per Right. In addition, in the event of certain business combinations, the Rights permit the purchase of the common stock of an acquirer at a 50% discount. Under certain conditions, the Rights may be redeemed by the Board of Directors in whole, but not in part, at a price of $.005 per Right. The Rights have no voting privileges and are attached to and automatically trade with the Company’s common stock. The Rights shall expire on December 31, 2011, unless earlier triggered, redeemed or exchanged.
     Restricted Stock. For the year ended December 31, 2009, the Company granted approximately 0.2 million shares of restricted common stock to officers and management, all of which vest over a four-year period. For the year ended December 31, 2008, the Company granted approximately 0.1 million shares of restricted common stock to a newly hired officer which vest over a three-year period. For the year ended December 31, 2007, the Company granted approximately 0.4 million shares of restricted common stock to officers and management, including 0.1 million shares for which restrictions lapse 25% each year over a four-year period and 0.3 million shares are performance-based and are tied to the achievement of three-year performance goals; restrictions lapse at the end of the three-year period depending upon the Company’s achievement of predetermined revenue and EBITDA goals.
     Until the restrictions lapse, ownership of the affected shares of restricted stock granted to the Company’s officers is conditional upon continuous employment with the Company. During the restricted period, holders of restricted stock have full voting rights with respect to their shares of restricted stock, even though the restricted stock remains subject to transfer restrictions and generally is subject to forfeiture upon termination of employment or service. If an officer or director terminates service before the restrictions lapse, the restricted stock may be repurchased by the Company from the individual and any compensation expense previously recognized would be reversed, thereby reducing the amount of stock-based compensation expense during that period.
     Restricted Stock Units. During the years ended December 31, 2009 and 2008, restricted stock units were granted to certain members of the Board of Directors in lieu of cash compensation as a part of the Company’s non-employee director’s deferred compensation program. The compensation expense associated with the grants of restricted stock units was $0.2 million for the year ended December 31, 2009.
     Stock Options. The Company grants options to employees and non-employee directors under its Amended and Restated 2001 Equity Incentive Plan (the “2001 Plan”) and previously granted options under the 1998 Stock Incentive Plan and the 1996 Non-Employee Directors Stock Option Plan. The 1998 and 1996 Plans were terminated at the time of adoption of the 2001 Plan, but the terminated Plans continue to govern outstanding options granted thereunder. The Company has stock options outstanding which were issued under each of these equity incentive plans to certain employees and directors, which have terms ranging up to ten years, have exercise prices ranging from $3.19 to $19.48, and generally vest over four years. As of December 31, 2009, approximately 1.7 million shares remained available for grant under the 2001 Plan.
     Employee Stock Purchase Plan. Under the Company’s 1983 Employee Stock Purchase Plan (the “ESPP”), full-time employees are allowed to purchase common stock through payroll deductions (which cannot exceed 10% of the employee’s compensation) at the lower of 85% of fair market value at the beginning or end of each six-month purchase period. As of December 31, 2009, 887,692 shares had been sold under the Plan, leaving 112,152 shares available for future issuance.
     Share Repurchase Program. In May 2005, the Company’s Board of Directors authorized the Company to repurchase up to $25.0 million in shares of its common stock. In March 2007, the Company’s Board of Directors authorized the Company to repurchase up to an additional $25.0 million in shares of the Company’s common stock under this program. In December 2008, the Company’s Board of Directors authorized the Company to repurchase up to an additional $25.0 million in shares of the Company’s common stock under this program. In December 2009, the Company’s Board of Directors authorized the Company to repurchase up to an additional $25.0 million in shares of the Company’s common stock under this program. Shares of the Company’s common stock repurchased under this program will no longer be deemed outstanding upon repurchase and will be returned to the pool of authorized shares. As of December 31, 2009, the Company had repurchased approximately 7.2 million shares under this program, at a cost of approximately $80.9 million.
     Shares Reserved for Future Issuance. At December 31, 2009, approximately 4.6 million shares of common stock were reserved under the Company’s equity incentive plans, and 0.1 million were reserved for purchases under the ESPP.

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Note 5. Stock-Based Compensation
     Compensation expense related to the Company’s share-based awards for the years ended December 31, 2009, 2008 and 2007 was $4.5 million, $2.7 million and $4.1 million, respectively, of which $2.8 million, $2.3 million and $2.4 million, respectively, related to stock options and $1.7 million, $0.4 million and $1.7 million, respectively, related to restricted stock awards (“stock awards”).
     Total share-based compensation expense, related to all of the Company’s share-based awards, was comprised as follows (in millions):
                         
    Year ended  
    December 31,  
    2009     2008     2007  
Cost of sales
  $ 0.6     $ 0.3     $ 0.4  
Research and development
    0.5       0.4       0.6  
Sales and marketing
    0.3       0.1       0.2  
General and administrative
    3.3       1.9       2.9  
Restructuring charges
    (0.2 )            
 
                 
 
  $ 4.5     $ 2.7     $ 4.1  
 
                 
     In the fourth quarter of 2009, the Company recognized approximately $1.0 million in compensation expense associated with the 2007 performance-based stock awards as the associated revenue and EBITDA goals were met. In addition, compensation expense for the year ended December 31, 2009 is net of a $0.2 million compensation expense reversal for certain terminated employees in connection with the Company’s restructuring plan. Compensation expense capitalized to inventory and compensation expense related to the Company’s ESPP were not material for the year ended December 31, 2009.
     Stock Options
     Compensation expense related to stock options granted is recognized ratably over the service vesting period for the entire option award. The total number of stock option awards expected to vest is adjusted by estimated forfeiture rates. The estimated fair value of each stock option award was determined on the date of grant using the Black-Scholes option valuation model with the following weighted-average assumptions for the option grants:
                         
    Year ended  
    December 31,  
    2009     2008     2007  
Risk-free interest rate
    1.88 %     2.58 %     4.54 %
Expected option life (in years)
    4.65       4.54       4.72  
Volatility rate
    0.52       0.50       0.67  
Dividend rate
    0 %     0 %     0 %
     The computation of the expected option life is based on a weighted-average calculation combining the average life of options that have already been exercised and post-vest cancellations with the estimated life of the remaining vested and unexercised options. The expected volatility is based on the historical volatility of the Company’s stock. The volatility of the Company’s stock has decreased in recent fiscal periods, and as a result in fiscal year 2008, the Company changed the look-back period in determining volatility to the third quarter of 2005. The risk-free interest rate is based on the U.S Treasury yield curve over the expected term of the option. The Company has never paid any cash dividends on its common stock, and does not anticipate paying any cash dividends in the foreseeable future. Consequently, the Company uses an expected dividend yield of zero in the Black-Scholes option valuation model. The Company’s estimated forfeiture rate is based on its historical experience and future expectations.
     The Company’s determination of fair value is affected by the Company’s stock price as well as a number of assumptions that require judgment. The weighted-average fair value per share was $4.85, $7.37 and $8.82 for options granted during the years ended December 31, 2009, 2008 and 2007, respectively. The total intrinsic value was $2.4 million, $5.6 million and $5.4 million for options exercised during the years ended December 31, 2009, 2008 and 2007, respectively. As of December 31, 2009, total unrecognized compensation expense related to stock options was approximately $5.3 million

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and the related weighted-average period over which it is expected to be recognized is approximately 2.9 years. The maximum contractual term of the Company’s stock options is ten years.
     A summary of the status of stock option activity for the years ended December 31, 2007, 2008 and 2009 is as follows (in thousands, except price data and years):
                                 
                    Weighted-        
            Weighted-     average        
            average     remaining        
            exercise     contractual     Aggregate  
    Number     price per     term (in     intrinsic  
    of Shares     share     years)     value  
Outstanding at January 1, 2007
    2,034     $ 5.87                  
Granted
    289       15.23                  
Exercised
    (495 )     5.19                  
Cancelled
    (99 )     7.43                  
 
                           
Outstanding at December 31, 2007
    1,729       7.55                  
Granted
    632       16.61                  
Exercised
    (554 )     5.61                  
Cancelled
    (41 )     9.41                  
 
                           
Outstanding at December 31, 2008
    1,766       11.36                  
Granted
    1,682       10.78                  
Exercised
    (346 )     4.64                  
Cancelled
    (277 )     15.77                  
 
                           
Outstanding at December 31, 2009
    2,825     $ 11.41       7.97     $ 8,304  
 
                       
Vested and expected to vest at December 31, 2009
    2,097     $ 11.26       7.61     $ 6,478  
 
                       
Exercisable at December 31, 2009
    756     $ 10.24       5.09     $ 3,152  
 
                       
Available for future grant at December 31, 2009
    1,744                          
 
                             
     Stock Awards
     The fair value of stock awards is determined based on the closing market price of the Company’s common stock on the grant date. Compensation expense for stock awards is measured at the grant date and recognized ratably over the vesting period. A majority of the stock awards granted in 2007 were performance-based and vesting is tied to achievement of the Company’s goals. For purposes of measuring compensation expense, the amount of shares ultimately expected to vest is estimated at each reporting date based on management’s expectations regarding the relevant performance criteria. The recognition of compensation expense associated with performance-based stock awards requires judgment in assessing the probability of meeting the performance goals, as well as defined criteria for assessing achievement of the performance-related goals. The measurement date of the performance-based stock awards takes place when the grant is authorized and the specific achievement goals are communicated. The communication date of the performance goals can impact the valuation and associated expense of the stock award. In the fourth quarter of 2009, the Company recognized approximately $1.0 million in compensation expense associated with the 2007 performance-based stock awards as the associated revenue and EBITDA goals were met.
     A summary of the status of stock awards activity for the years ended December 31, 2007, 2008 and 2009 is as follows (in thousands, except price data):
                 
            Weighted-  
            Average  
            Grant Date  
    Shares     Fair Value  
Nonvested at January 1, 2007
    491     $ 6.76  
Granted
    438       11.97  
Vested
    (182 )     7.01  
Forfeited
    (192 )     9.62  
 
           
Nonvested at December 31, 2007
    555       7.75  
Granted
    125       17.11  
Vested
    (57 )     6.18  
Forfeited
    (129 )     11.47  
 
           
Nonvested at December 31, 2008
    494       9.33  
Granted
    183       11.94  
Vested
    (161 )     5.86  
Forfeited
    (298 )     11.15  
 
           
Nonvested at December 31, 2009
    218     $ 11.58  
 
           

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     The total amount of unrecognized compensation expense related to nonvested stock awards as of December 31, 2009 was approximately $1.2 million, which is expected to be recognized over a weighted-average period of approximately 2.9 years.
Note 6. Commitments and Contingencies
Leases
     The Company leases its facilities and certain equipment. Commitments for minimum rentals under non-cancelable leases at the end of 2009 are as follows (in thousands):
                 
    Operating     Lease  
Years ending December 31,   Leases     Obligation  
2010
  $ 1,051     $ 1,083  
2011
    1,050       1,091  
2012
    852       1,099  
2013
    860       1,108  
2014
    803       1,116  
Thereafter
          6,797  
 
           
Total minimum lease payments
  $ 4,616       12,294  
 
             
Less amount representing interest
            (5,533 )
 
             
Present value of lease obligation
            6,761  
Less current portion
            (234 )
 
             
Long-term lease obligation
          $ 6,527  
 
             
     Rent expense under operating leases totaled approximately $0.8 million for the year ended December 31, 2009, $0.8 million for the year ended December 31, 2008 and $1.4 million for the year ended December 31, 2007. In the fourth quarter of 2009, the Company entered into a new operating lease to rent approximately 10,000 square feet of additional office space in San Diego with a lease term to October 2011. In the fourth quarter of 2007, the Company entered into a new operating lease at its Santa Clara location, including extending the term of the lease through 2014.
     During 1999, the Company completed a sale and leaseback transaction of its San Diego facility. The facility was sold for $15.0 million, of which $3.8 million was capital contributed by the Company. The sale was an all cash transaction, netting the Company approximately $7.0 million. The Company is a 25% limited partner in the partnership that acquired the facility. The transaction was deemed a financing transaction under the guidance in ASC Topic 840-40, Accounting for Sales of Real Estate. The assets sold remain on the books of the Company and will continue to be depreciated over the estimated useful life. The Company’s lease for its approximately 78,000 square-foot facility in San Diego, CA was initially for 15 years, with options to extend the lease for up to two additional five-year periods.
     In December 2009, the Company amended the terms of its lease agreement which had no significant impact on the Company’s financial statements. The amended terms include a new ten-year lease term through December 2019, with options to extend the lease for up to three additional five-year periods. The Company will amortize the lease obligation over this new term. The amount of the monthly rental payments remain the same under the amendment. In addition, the Company has the option to purchase the general partner’s interest in the partnership in January 2015 for a fixed price. The Company has determined that the partnership is a variable interest entity (VIE). The Company is not the primary beneficiary of the VIE as it does not absorb the majority of the partnership’s expected losses or receive a majority of the partnership’s residual returns. The Company made lease payments of approximately $1.4 million for each of the three years ended December 31, 2009, 2008 and 2007.
Contracts
     The Company has entered into various licensing agreements which require royalty payments based on specified product sales. These agreements encompass the majority of the Company’s products, and have estimated expiration dates through early 2015. The Company also has a royalty agreement with Inverness Medical Innovations, Inc., which requires ongoing royalty

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payments of 8.5% on the majority of the Company’s current products. Royalty expenses, which are charged to cost of sales under these licensing agreements, totaled $13.5 million, $10.5 million and $9.4 million for the years ended December 31, 2009, 2008 and 2007, respectively. As of December 31, 2009 and 2008, $5.5 million and $2.7 million, respectively, were recorded as accrued royalties in the accompanying Consolidated Balance Sheets. During the fourth quarter of 2006, the Company entered into a cross-licensing agreement with another company and paid $6.5 million, which was amortized over the life of the agreement through December 31, 2008. The Company believes it will continue to incur substantial royalty expenses relating to future sales of its products.
Legal
     The Company is involved in litigation matters from time to time in the ordinary course of business. Management believes that all such current legal actions, in the aggregate, will not have a material adverse effect on the Company. The Company also maintains insurance, including coverage for product liability claims, in amounts which management believes are appropriate given the nature of its business.
Note 7. Industry and Geographic Information
     The Company operates in one reportable segment. Sales to customers outside the U.S. represented 21%, 15%, and 14% of total revenue for the years ended December 31, 2009, 2008 and 2007, respectively. As of December 31, 2009 and 2008, balances due from foreign customers, in U.S. dollars, were $7.2 million and $4.7 million, respectively.
     The Company had sales to individual customers in excess of 10% of total revenue, as follows:
                         
    Year ended  
    December 31,  
    2009     2008     2007  
Customer:
                       
A
    17 %     18 %     21 %
B
    15 %     19 %     19 %
C
    10 %     13 %     9 %
D
    10 %     7 %     7 %
 
                 
 
    52 %     57 %     56 %
 
                 
     As of December 31, 2009 and 2008, accounts receivable from individual customers with balances due in excess of 10% of total accounts receivable totaled $6.8 million and $17.9 million, respectively.
     The following presents long-lived assets (excluding intangible assets) and total revenue by geographic territory (in thousands):
                                         
    Long-lived assets     Total revenue year ended  
    December 31,     December 31,  
    2009     2008     2009     2008     2007  
United States operations
                                       
Domestic
  $ 21,251     $ 19,081     $ 130,021     $ 109,081     $ 102,075  
Foreign
                34,261       19,051       15,990  
 
                             
Total
  $ 21,251     $ 19,081     $ 164,282     $ 128,132     $ 118,065  
 
                             
     Consolidated product revenues by disease state are as follows (in thousands):
                         
    Year ended December 31,  
    2009     2008     2007  
Infectious disease
  $ 127,961     $ 92,426     $ 75,896  
Reproductive and women’s health
    21,807       22,989       28,130  
Other
    13,264       11,427       12,864  
 
                 
 
  $ 163,032     $ 126,842     $ 116,890  
 
                 

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Note 8. Fair Value Measurement
     The Company’s valuation techniques are based on observable and unobservable inputs. Observable inputs reflect readily obtainable data from independent sources, while unobservable inputs are generally developed internally, utilizing management’s estimates, assumptions and specific knowledge of the assets/liabilities and related market assumptions. The fair value of our cash equivalents and marketable securities are determined based on Level 1 inputs, which consist of quoted prices in active markets for identical assets. The Company’s marketable securities consist of commercial paper with maturities no greater than 180 days. Unrealized gains were not material for the fiscal year ended December 31, 2009.
Note 9. Employee Benefit Plan
     The Company has a defined contribution 401(k) plan (the “401(k) Plan”) covering all employees who are eligible to join the 401(k) Plan upon employment. Employee contributions are subject to a maximum limit by federal law. This Plan includes an employer match of 50% on the first 6% of pay contributed by the employee. The Company contributed approximately $0.4 million, $0.6 million and $0.5 million to the 401(k) Plan during the year ended December 31, 2009, 2008 and 2007, respectively.
Note 10. Restructuring Charges
     In March 2009, the Company announced and implemented a restructuring plan (the “Restructuring Plan”). The Restructuring Plan primarily consisted of a workforce reduction (approximately 10% of the Company’s total workforce) as well as consolidation of facility space at its Santa Clara, California location. The expected completion or cash payout date for the workforce reduction is the end of the second quarter of fiscal year 2010, at which time the COBRA benefits will expire for terminated employees. The expected completion date relating to the Santa Clara lease liability is November 2014, the end of the current lease term. The Company recorded a charge of $2.0 million during the year ended December 31, 2009, which is net of a $0.2 million stock-based compensation expense reversal for certain terminated employees. During the three months ended December 31, 2009, the Company reduced the restructuring liability by $0.1 million for cash payments made during the period. As of December 31, 2009, the remaining accrual is classified as accrued payroll and related expenses of $0.1 million, other current liabilities of $0.2 million and other non-current liabilities of $0.7 million in the accompanying Consolidated Balance Sheets. As part of the Restructuring Plan, the Company recorded an impairment charge related to a fixed asset no longer in use. Additionally, the Company vacated the unutilized portion of its Santa Clara facility in April 2009 and recorded a restructuring charge of approximately $1.1 million in the second quarter of 2009.
Note 11. Subsequent Event
     On February 19, 2010, the Company acquired Diagnostic Hybrids, Inc. (“DHI”) a privately-held, in vitro diagnostics (“IVD”) company, based in Athens, Ohio, that is a market leader in the manufacturing and commercialization of FDA-cleared direct fluorescent IVD assays used in hospital and reference laboratories for a variety of diseases, including viral respiratory infections, herpes, Chlamydia and other viral infections, and thyroid diseases. DHI reported revenues of approximately $51.0 million and $5.9 million in net income for their fiscal year 2009. DHI’s direct sales force serves over 700 North American customers, and its products are sold via distributors outside the United States. Their products are offered under various brand names including, ELVIS®, R-Mix™, Mixed Fresh Cells™, FreshCells™, ReadyCells™ and Thyretain™. The Company paid approximately $130.0 million in cash to acquire DHI. The Company borrowed $75.0 million on its line of credit in connection with the acquisition. The Company expects to complete the initial purchase accounting for the acquisition of DHI in the first quarter of 2010.

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Note 12. Selected Quarterly Financial Data (unaudited)
                                 
    First Quarter     Second Quarter     Third Quarter     Fourth Quarter  
    (in thousands, except per share data)  
2009
                               
Total revenues
  $ 16,890     $ 24,643     $ 56,152     $ 66,597  
Cost of sales (excludes amortization of intangible assets)
    8,424       10,075       17,670       19,049  
Gross profit (1)
    8,178       14,280       38,194       47,260  
Total costs and expenses
    21,476       23,540       31,897       34,820  
Net income (loss)
    (2,801 )     637       14,940       20,107  
Basic net earnings (loss) per share
    (0.09 )     0.02       0.50       0.67  
Diluted net earnings (loss) per share
    (0.09 )     0.02       0.50       0.65  
2008
                               
Total revenues
  $ 40,865     $ 21,916     $ 31,868     $ 33,483  
Cost of sales (excludes amortization of intangible assets)
    14,127       10,242       12,070       13,767  
Gross profit (2)
    25,728       10,664       18,788       18,706  
Total costs and expenses
    27,304       23,009       24,516       24,684  
Net income (loss)
    8,550       (513 )     4,741       6,070  
Basic net earnings (loss) per share
    0.27       (0.02 )     0.15       0.19  
Diluted net earnings (loss) per share
    0.26       (0.02 )     0.15       0.19  
 
(1)   Included in 2009 quarterly gross profit is amortization of intangible assets of $0.3 million for each quarter.
 
(2)   Included in 2008 quarterly gross profit is amortization of intangible assets of $1.0 million for each quarter.

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SCHEDULE II
QUIDEL CORPORATION
CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
(in thousands)
                                         
    Additions                
    Balance at     Charges to     Charges to             Balance at  
    beginning     costs and     other             end of  
Description   of period     expenses(1)     accounts     Deductions(2)     period  
Year ended December 31, 2009:
                                       
Accounts Receivable Allowance
  $ 1,512     $ 9,695     $     $ 7,870     $ 3,337  
Year ended December 31, 2008:
                                       
Accounts Receivable Allowance
  $ 929     $ 1,608     $     $ 1,025     $ 1,512  
Year ended December 31, 2007:
                                       
Accounts Receivable Allowance
  $ 791     $ 855     $     $ 717     $ 929  
 
(1)   Represent charges associated primarily to accruals for early payment discounts and bad debt.
 
(2)   The deductions represent actual charges against the accrual described above.

 


Table of Contents

EXHIBIT INDEX
     
Exhibit    
Number   Description
2.1
  Agreement and Plan of Merger, dated as of January 10, 2010, by and among Quidel Corporation, Fairway Acquisition Corporation, Diagnostic Hybrids, Inc., and David R. Scholl, Ph.D., in his capacity as securityholder agent. (Incorporated by reference to Exhibit 2.1 to the Registrant’s Form 8-K filed on January 11, 2010.)
 
   
3.1*
  Certificate of Incorporation, as amended.
 
   
3.2
  Amended and Restated Bylaws. (Incorporated by reference to Exhibit 3.2 to the Registrant’s Form 8-K dated November 8, 2000.)
 
   
4.1
  Certificate of Designations of Series C Junior Participating Preferred Stock as filed with the State of Delaware on December 31, 1996 (Incorporated by reference to Exhibit 1(A) to the Registrant’s Registration Statement on Form 8-A filed on January 14, 1997.)
 
   
4.2
  Amended and Restated Rights Agreement dated as of December 29, 2006 between Registrant and American Stock Transfer and Trust Company, as Rights Agent. (Incorporated by reference to Exhibit 4.1 to the Registrant’s Current Report on Form 8-K filed on January 5, 2007.)
 
   
10.1(1)
  Registrant’s 1983 Employee Stock Purchase Plan, as amended. (Incorporated by reference to Exhibit 10.6 to the Registrant’s Form 10-Q filed on July 27, 2007.)
 
   
10.2(1)
  Registrant’s 1990 Employee Stock Option Plan. (Incorporated by reference to Exhibit 10.3 to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 1990.)
 
   
10.3(1)
  Registrant’s 1996 Non-Employee’s Director Plan. (Incorporated by reference to Registrant’s Proxy Statement filed on September 27, 1996.)
 
   
10.4(1)
  Registrant’s 1998 Stock Incentive Plan. (Incorporated by reference to Exhibit 10.7 to the Registrant’s Form 10-Q filed on July 27, 2007.)
 
   
10.5(1)
  Registrant’s Amended and Restated 2001 Equity Incentive Plan, effective as of May 12, 2009. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Form 8-K filed on May 18, 2009.)
 
   
10.6(1)
  Form of Restricted Stock/Stock Option Agreement used in connection with the Registrant’s Amended and Restated 2001 Equity Incentive Plan. (Incorporated by reference to Exhibit 10.6 to the Registrant’s Form 10-Q for the quarter ended September 30, 2004.)
 
   
10.7
  Settlement Agreement effective April 1, 1997 between the Registrant and Becton, Dickinson and Company. (Incorporated by reference to Exhibit 10.18 to the Registrant’s Form 10-K for the year ended March 31, 1997.)
 
   
10.8
  Rosenstein License Agreement effective April 1, 1997 between the Registrant and Becton, Dickinson and Company. (Incorporated by reference to Exhibit 10.20 to the Registrant’s Form 10-K for the year ended March 31, 1997.)
 
   
10.9
  Settlement Agreement dated April 27, 2005 between the Registrant and Inverness Medical Innovations, Inc. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Form 8-K filed on May 3, 2005.)
 
   
10.10
  Form of Single Tenant Absolute Net Lease. (Incorporated by reference to Exhibit 10.7 to the Registrant’s Form 8-K filed on January 4, 2000.)
 
   
10.11
  Second Amendment to Single Tenant Absolute Net Lease. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on December 29, 2009.)
 
   
10.12
  Form of Indemnification Agreement—Corporate Officer and/or Director. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Form 8-K filed August 23, 2005.)
 
   
10.13(1)
  Employment Agreement, dated as of January 16, 2009, between Registrant and Douglas C. Bryant. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Form 8-K filed on January 20, 2009.)
 
   
10.14(1)
  Stock Option Agreement, dated as of January 16, 2009, between Registrant and Douglas C. Bryant. (Incorporated by reference to Exhibit 10.2 to the Registrant’s Form 8-K filed on January 20, 2009.)

 


Table of Contents

     
Exhibit    
Number   Description
10.15(1)
  Restricted Stock Agreement, dated as of January 16, 2009, between Registrant and Douglas C. Bryant. (Incorporated by reference to Exhibit 10.3 to the Registrant’s Form 8-K filed on January 20, 2009.)
 
   
10.16(1)
  Agreement Re: Change in Control, dated as of January 16, 2009, between Registrant and Douglas C. Bryant. (Incorporated by reference to Exhibit 10.4 to the Registrant’s Form 8-K filed on January 20, 2009.)
 
   
10.17(1)
  Retirement Agreement, dated as of January 16, 2009, between Registrant and Caren L. Mason. (Incorporated by reference to Exhibit 10.5 to Registrant’s Form 8-K filed on January 20, 2009.)
 
   
10.18(1)
  Separation Agreement, dated as of March 31, 2009, between Registrant and Thomas J. Foley. (Incorporated by reference to Exhibit 10.1 to the Registrant’s Form 8-K filed April 1, 2009.)
 
   
10.19(1)
  Employment Offer Letter, entered into on June 5, 2008, between Registrant and Robert J. Bujarski. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on June 6, 2008.)
 
   
10.20(1)
  Agreement Re: Change in Control, entered into on June 5, 2008, between Registrant and Robert J. Bujarski. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 8-K filed on June 6, 2008.)
 
   
10.21(1)
  Employment Offer Letter, entered into on December 18, 2006, between Registrant and John M. Radak. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on January 3, 2007.)
 
   
10.22(1)
  Amendment of Employment Offer Letter, dated December 31, 2007, between Registrant and John M. Radak. (Incorporated by reference to Exhibit 10.3 to Registrant’s Form 8-K filed on January 3, 2008.)
 
   
10.23(1)
  Agreement Re: Change in Control, entered into on December 18, 2006, between Registrant and John M. Radak. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 8-K filed on January 3, 2007.)
 
   
10.24(1)
  Amendment of Agreement Re: Change in Control, dated December 31, 2007, between Registrant and John M. Radak. (Incorporated by reference to Exhibit 10.10 to Registrant’s Form 8-K filed on January 3, 2008.)
 
   
10.25(1)
  Agreement Re: Change in Control, entered into on June 25, 2007, between Registrant and Scot M. McLeod. (Incorporated by reference to Exhibit 10.3 to Registrant’s Form 8-K filed on June 26, 2007.)
 
   
10.26(1)
  Amendment of Agreement Re: Change in Control, dated December 31, 2007, between Registrant and Scot M. McLeod. (Incorporated by reference to Exhibit 10.9 to Registrant’s Form 8-K filed on January 3, 2008.)
 
   
10.27(1)
  Change in Control Agreement dated July 19, 2004 between Registrant and Michael J. Beck. (Incorporated by reference to Exhibit 10.35 to Registrant’s Form 10-Q for the quarter ended June 30, 2004.)
 
   
10.28(1)
  Amendment of Agreement Re: Change in Control, dated December 31, 2007, between Registrant and Michael J. Beck. (Incorporated by reference to Exhibit 10.6 to Registrant’s Form 8-K filed on January 3, 2008.)
 
   
10.29(1)
  Agreement Re: Change in Control, entered into on November 7, 2008, between Registrant and John D. Tamerius, Ph.D. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on November 7, 2008.)
 
   
10.30(1)
  Employment Offer Letter, dated June 22, 2009, between Quidel Corporation and Timothy T. Stenzel. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 10-Q filed on October 21, 2009.)
 
   
10.31(1)
  Agreement Re: Change in Control, entered into on September 1, 2009, between Quidel Corporation and Timothy T. Stenzel. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 10-Q filed on October 21, 2009.)
 
   
10.32(1)
  Employment Offer Letter, dated as of January 10, 2010, between Quidel Corporation and David R. Scholl, Ph.D. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on January 11, 2010.)
 
   
10.33(1)
  Agreement Re: Change in Control, dated February 19, 2010, between Registrant and David Scholl. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 8-K filed on February 19, 2010.)
 
   
10.34(1)
  2009 Cash Bonuses for the Company’s Executive Officers. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 8-K filed on January 22, 2010.)
 
   
10.35(1)
  Registrant’s 2010 Equity Incentive Program for the Company’s Executive Officers, effective as of January 18, 2010. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on January 22, 2010.)

 


Table of Contents

     
Exhibit    
Number   Description
10.36
  Credit Agreement, by and among Registrant, as Borrower, each lender from time to time party thereto (collectively, “Lenders” and individually, a “Lender”) and Bank of America, N.A., as Agent, Swing Line Lender and L/C Issuer, dated as of October 8, 2008. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 10-Q filed on July 23, 2009.)
 
   
10.37
  Security Agreement by and among Registrant, as Borrower, direct and indirect domestic subsidiaries of Borrower, each additional grantor that may become a party thereto and Bank of America, N.A., as Agent, dated as of October 8, 2008. (Incorporated by reference to Exhibit 10.2 to Registrant’s Form 10-Q filed on July 23, 2009.)
 
   
10.38
  First Amendment to Credit Agreement and to Security Agreement, dated as of February 19, 2010, by and among the Registrant, the lenders on the signature pages thereof, Bank of America, N.A., as agent for the lenders, and each of the Guarantors listed on the signature pages thereof. (Incorporated by reference to Exhibit 10.1 to Registrant’s Form 8-K filed on February 19, 2010.
 
   
21.1*
  Subsidiaries of the Registrant.
 
   
23.1*
  Consent of Independent Registered Public Accounting Firm.
 
   
31.1*
  Certification by Principal Executive Officer of Registrant pursuant to Rules 13a-14 and 15d-14, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 
   
31.2*
  Certification by Principal Financial and Accounting Officer of Registrant pursuant to Rules 13a-14 and 15d-14, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
 
   
32.1*
  Certifications by Principal Executive Officer and Principal Financial and Accounting Officer of Registrant pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
 
*   Filed herewith
 
(1)   Indicates a management plan or compensatory plan or arrangement.