e10vq
Table of Contents

 
 
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-Q
     
(Mark One)  
     
þ   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31, 2010
OR
     
o   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from            to
Commission File Number 1-12744
MARTIN MARIETTA MATERIALS, INC.
 
(Exact name of registrant as specified in its charter)
     
North Carolina   56-1848578
     
(State or other jurisdiction of
incorporation or organization)
  (I.R.S. Employer Identification Number)
     
2710 Wycliff Road, Raleigh, NC   27607-3033
     
(Address of principal executive offices)   (Zip Code)
Registrant’s telephone number, including area code 919-781-4550
     
Former name:   None
     
    Former name, former address and former fiscal year, if changes since last report.
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 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 þ Accelerated filer o  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
Indicate the number of shares outstanding of each of the issuer’s classes of Common Stock, as of the latest practicable date.
     
Class   Outstanding as of April 30, 2010
Common Stock, $0.01 par value   45,434,153
 
 

 


 

MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
         
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 EX-31.01
 EX-31.02
 EX-32.01
 EX-32.02

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PART I. FINANCIAL INFORMATION
Item 1. Financial Statements.
MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
                         
    March 31,     December 31,     March 31,  
    2010     2009     2009  
    (Unaudited)     (Audited)     (Unaudited)  
    (Dollars in Thousands, Except Per Share Data)  
ASSETS
                       
Current Assets:
                       
Cash and cash equivalents
  $ 221,043     $ 263,591     $ 222,003  
Accounts receivable, net
    202,101       162,815       206,785  
Inventories, net
    322,027       332,569       324,949  
Current deferred income tax benefits
    72,921       60,303       56,177  
Proceeds receivable for common stock issuances
                37,612  
Other current assets
    36,619       37,582       44,413  
 
                 
Total Current Assets
    854,711       856,860       891,939  
 
                 
 
Property, plant and equipment
    3,500,655       3,465,978       3,349,606  
Allowances for depreciation, depletion and amortization
    (1,805,610 )     (1,773,073 )     (1,665,923 )
 
                 
Net property, plant and equipment
    1,695,045       1,692,905       1,683,683  
 
Goodwill
    624,224       624,224       623,810  
Other intangibles, net
    18,863       12,469       13,445  
Other noncurrent assets
    52,059       52,825       40,222  
 
                 
 
Total Assets
  $ 3,244,902     $ 3,239,283     $ 3,253,099  
 
                 
 
                       
LIABILITIES AND EQUITY
                       
Current Liabilities:
                       
Bank overdraft
  $ 2,227     $ 1,737     $ 4,434  
Accounts payable
    67,281       52,107       77,029  
Accrued salaries, benefits and payroll taxes
    12,217       15,222       13,306  
Pension and postretirement benefits
    18,263       18,823       2,405  
Accrued insurance and other taxes
    26,128       24,274       27,009  
Current maturities of long-term debt and short-term facilities
    219,583       226,119       181,926  
Accrued interest
    27,948       12,751       28,282  
Other current liabilities
    21,699       22,520       13,261  
 
                 
Total Current Liabilities
    395,346       373,553       347,652  
 
                       
Long-term debt
    1,029,606       1,023,492       1,152,107  
Pension, postretirement and postemployment benefits
    159,154       160,354       213,517  
Noncurrent deferred income taxes
    192,299       195,946       175,806  
Other noncurrent liabilities
    95,602       79,527       79,830  
 
                 
Total Liabilities
    1,872,007       1,832,872       1,968,912  
 
                 
 
                       
Equity:
                       
Common stock, par value $0.01 per share
    453       453       445  
Preferred stock, par value $0.01 per share
                 
Additional paid-in capital
    386,211       381,173       317,717  
Accumulated other comprehensive loss
    (70,528 )     (75,084 )     (99,753 )
Retained earnings
    1,016,156       1,058,698       1,021,832  
 
                 
Total Shareholders’ Equity
    1,332,292       1,365,240       1,240,241  
Noncontrolling interests
    40,603       41,171       43,946  
 
                 
Total Equity
    1,372,895       1,406,411       1,284,187  
 
                 
 
                       
Total Liabilities and Equity
  $ 3,244,902     $ 3,239,283     $ 3,253,099  
 
                 
See accompanying condensed notes to consolidated financial statements.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
CONSOLIDATED STATEMENTS OF EARNINGS
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (In Thousands, Except Per Share Data)  
    (Unaudited)  
Net Sales
  $ 295,561     $ 329,842  
Freight and delivery revenues
    45,383       44,719  
 
           
Total revenues
    340,944       374,561  
 
           
 
               
Cost of sales
    275,948       281,307  
Freight and delivery costs
    45,383       44,719  
 
           
Total cost of revenues
    321,331       326,026  
 
           
 
               
Gross Profit
    19,613       48,535  
 
               
Selling, general & administrative expenses
    33,571       37,157  
Research and development
    13       136  
Other operating (income) and expenses, net
    (1,107 )     294  
 
           
(Loss) Earnings from Operations
    (12,864 )     10,948  
 
               
Interest expense
    17,616       18,525  
Other nonoperating (income) and expenses, net
    (600 )     1,022  
 
           
Losss from continuing operations before taxes on income
    (29,880 )     (8,599 )
Income tax benefit
    (4,984 )     (2,174 )
 
           
 
               
Loss from Continuing Operations
    (24,896 )     (6,425 )
Gain on discontinued operations, net of related tax expense of $38 and $20, respectively
    148       52  
 
           
Consolidated net loss
    (24,748 )     (6,373 )
Less: Net loss attributable to noncontrolling interests
    (568 )     (609 )
 
           
 
               
Net Loss Attributable to Martin Marietta Materials, Inc.
  $ (24,180 )   $ (5,764 )
 
           
 
               
Net (Loss) Earnings Attributable to Martin Marietta Materials, Inc.
               
Loss from continuing operations
  $ (24,328 )   $ (5,816 )
Discontinued operations
    148       52  
 
           
 
  $ (24,180 )   $ (5,764 )
 
           
 
               
Net Loss Attributable to Martin Marietta Materials, Inc.
               
Per Common Share
               
Basic from continuing operations attributable to common shareholders
  $ (0.54 )   $ (0.14 )
Discontinued operations attributable to common shareholders
           
 
           
 
  $ (0.54 )   $ (0.14 )
 
           
 
               
Diluted from continuing operations attributable to common shareholders
  $ (0.54 )   $ (0.14 )
Discontinued operations attributable to common shareholders
           
 
           
 
  $ (0.54 )   $ (0.14 )
 
           
 
               
Weighted-Average Common Shares Outstanding
               
Basic
    45,400       41,863  
 
           
Diluted
    45,400       41,863  
 
           
 
               
Cash Dividends Per Common Share
  $ 0.40     $ 0.40  
 
           
See accompanying condensed notes to consolidated financial statements.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)  
    (Unaudited)  
Cash Flows from Operating Activities:
               
Consolidated net loss
  $ (24,748 )   $ (6,373 )
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:
               
Depreciation, depletion and amortization
    44,968       42,619  
Stock-based compensation expense
    3,894       5,086  
(Gains) Losses on divestitures and sales of assets
    (1,133 )     796  
Deferred income taxes
    957       765  
Excess tax benefits from stock-based compensation transactions
    (145 )     (95 )
Other items, net
    391       638  
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
               
Accounts receivable, net
    (39,286 )     4,811  
Inventories, net
    10,681       (6,931 )
Accounts payable
    15,077       14,436  
Other assets and liabilities, net
    16,465       9,002  
 
           
 
               
Net Cash Provided by Operating Activities
    27,121       64,754  
 
           
 
               
Cash Flows from Investing Activities:
               
Additions to property, plant and equipment
    (25,021 )     (40,316 )
Acquisitions, net
    (28,026 )     (1,524 )
Proceeds from divestitures and sales of assets
    1,588       5,082  
 
           
 
               
Net Cash Used for Investing Activities
    (51,459 )     (36,758 )
 
           
 
               
Cash Flows from Financing Activities:
               
Borrowings of long-term debt
    50,000        
Repayments of long-term debt
    (50,560 )     (1,046 )
Repayments on short-term facilities, net
          (20,000 )
Debt issuance costs
    (80 )      
Change in bank overdraft
    490       (243 )
Payments on capital lease obligations
    (29 )     (51 )
Dividends paid
    (18,362 )     (16,821 )
Distributions to owners of noncontrolling interests
          (1,000 )
Issuances of common stock
    186       195,279  
Excess tax benefits from stock-based compensation transactions
    145       95  
 
           
 
               
Net Cash (Used for) Provided by Financing Activities
    (18,210 )     156,213  
 
           
 
               
Net (Decrease) Increase in Cash and Cash Equivalents
    (42,548 )     184,209  
Cash and Cash Equivalents, beginning of period
    263,591       37,794  
 
           
 
               
Cash and Cash Equivalents, end of period
  $ 221,043     $ 222,003  
 
           
 
               
Noncash Investing and Financing Activities:
               
Proceeds receivable for common stock issuances
  $     $ 37,612  
 
               
Supplemental Disclosures of Cash Flow Information:
               
Cash paid for interest
  $ 1,914     $ 3,377  
Cash (refunds) payments for income taxes
  $ (8,955 )   $ 290  
See accompanying condensed notes to consolidated financial statements.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
CONSOLIDATED STATEMENT OF TOTAL EQUITY
(Unaudited)
                                                                 
    Shares of                                     Total              
    Common     Common     Additional     Accumulated Other     Retained     Shareholders’     Noncontrolling     Total  
(in thousands)   Stock     Stock     Paid-in Capital     Comprehensive Loss     Earnings     Equity     Interests     Equity  
Balance at December 31, 2009
    45,399     $ 453     $ 381,173     $ (75,084 )   $ 1,058,698     $ 1,365,240     $ 41,171     $ 1,406,411  
 
                                                               
Consolidated net loss
                            (24,180 )     (24,180 )     (568 )     (24,748 )
Unrecognized actuarial losses and prior service costs related to pension and postretirement benefits, net of tax benefit of $1,411
                      3,901             3,901             3,901  
Foreign currency translation gain
                      523             523             523  
Amortization of terminated value of forward starting interest rate swap agreements into interest expense, net of tax benefit of $86
                      132             132             132  
 
                                                         
Consolidated comprehensive loss
                                            (19,624 )     (568 )     (20,192 )
Dividends declared
                            (18,362 )     (18,362 )           (18,362 )
Issuances of common stock for stock award plans
    4             1,144                   1,144             1,144  
Stock-based compensation expense
                3,894                   3,894             3,894  
 
                                               
Balance at March 31, 2010
    45,403     $ 453     $ 386,211     $ (70,528 )   $ 1,016,156     $ 1,332,292     $ 40,603     $ 1,372,895  
 
                                               
See accompanying condensed notes to consolidated financial statements.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
1.   Significant Accounting Policies
 
    Basis of Presentation
 
    The accompanying unaudited consolidated financial statements of Martin Marietta Materials, Inc. (the “Corporation”) have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to the Quarterly Report on Form 10-Q and to Article 10 of Regulation S-X. The Corporation has continued to follow the accounting policies set forth in the audited consolidated financial statements and related notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2009, filed with the Securities and Exchange Commission on February 26, 2010. In the opinion of management, the interim financial information provided herein reflects all adjustments, consisting of normal recurring accruals, necessary for a fair presentation of the results of operations, financial position and cash flows for the interim periods. The results of operations for the quarter ended March 31, 2010 are not indicative of the results expected for other interim periods or the full year. The balance sheet at December 31, 2009 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles (GAAP) for complete financial statements. These financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2009.
 
    Earnings per Common Share
 
    The numerator for basic and diluted earnings per common share is net earnings attributable to Martin Marietta Materials, Inc., reduced by dividends and undistributed earnings attributable to the Corporation’s unvested restricted stock awards and incentive stock awards. The denominator for basic earnings per common share is the weighted-average number of common shares outstanding during the period. Diluted earnings per common share are computed assuming that the weighted-average number of common shares is increased by the conversion, using the treasury stock method, of awards to be issued to employees and nonemployee members of the Corporation’s Board of Directors under certain stock-based compensation arrangements if the conversion is dilutive. The diluted per-share computations reflect a change in the number of common shares outstanding (the denominator) to include the number of additional shares that would have been outstanding if the potentially dilutive common shares had been issued.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
1.   Significant Accounting Policies (continued)
 
    Earnings per Common Share (continued)
 
    The following table reconciles the numerator and denominator for basic and diluted earnings per common share:
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (In Thousands)  
Net loss from continuing operations attributable to Martin Marietta Materials, Inc.
  $ (24,328 )   $ (5,816 )
Less: Distributed and undistributed earnings attributable to unvested awards
    (202 )     (235 )
 
           
Basic and diluted net loss from continuing operations attributable to common shareholders of Martin Marietta Materials, Inc.
    (24,530 )     (6,051 )
Basic and diluted net earnings from discontinued operations attributable to common shareholders
    148       52  
 
           
Basic and diluted net loss attributable to common shareholders of Martin Marietta Materials, Inc.
  (24,382 )   $ (5,999 )
 
           
 
               
Basic weighted-average common shares outstanding
    45,400       41,863  
Effect of dilutive employee and director awards
           
 
           
Diluted weighted-average common shares outstanding
    45,400       41,863  
 
           
Comprehensive Earnings/Loss
Consolidated comprehensive earnings/loss for the Corporation consist of consolidated net earnings or loss; amortization of actuarial losses and prior service costs related to pension and postretirement benefits; foreign currency translation adjustments; and the amortization of the value of terminated forward starting interest rate swap agreements into interest expense. Consolidated comprehensive loss for the three months ended March 31, 2010 and 2009 was $20,192,000 and $4,455,000, respectively.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
2.   Discontinued Operations
 
    Operations that are disposed of or permanently shut down represent discontinued operations, and, therefore, the results of their operations through the dates of disposal and any gain or loss on disposals are included in discontinued operations in the consolidated statements of earnings. All discontinued operations relate to the Aggregates business.
 
    Discontinued operations included the following net sales, pretax gain on operations, income tax expense and overall net earnings:
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)  
 
               
Net sales
  $ 17     $ 541  
 
           
 
               
Pretax gain on operations
  $ 186     $ 72  
Income tax expense
    38       20  
 
           
Net earnings
  $ 148     $ 52  
 
           
3.   Inventories, Net
                         
    March 31,     December 31,     March 31,  
    2010     2009     2009  
    (Dollars in Thousands)  
 
                       
Finished products
  279,112     $ 289,051     $  273,468  
Products in process and raw materials
    15,945       16,296       18,872  
Supplies and expendable parts
    47,483       47,554       51,622  
 
                 
 
    342,540       352,901       343,962  
Less allowances
    (20,513 )     (20,332 )     (19,013 )
 
                 
Total
  $ 322,027     $ 332,569     $ 324,949  
 
                 

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
4.   Goodwill and Intangible Assets
 
    During the three months ended March 31, 2010, there were no changes in goodwill.
 
    During the three months ended March 31, 2010, the Corporation acquired use rights of $6,600,000 related to its Aggregates business. The use rights are deemed to have an indefinite life and are not being amortized.
5.   Long-Term Debt
                         
    March 31,     December 31,     March 31,  
    2010     2009     2009  
    (Dollars in Thousands)  
 
                       
6.875% Notes, due 2011
  $ 242,100     $ 242,092     $ 249,901  
6.6% Senior Notes, due 2018
    298,154       298,111       297,986  
7% Debentures, due 2025
    124,376       124,371       124,355  
6.25% Senior Notes, due 2037
    247,858       247,851       247,829  
Floating Rate Senior Notes, due 2010, interest rate of 0.4% at March 31, 2010
    217,568       217,502       224,716  
Term Loan, due 2012, interest rate of 3.29% at March 31, 2010
    111,750       111,750        
Credit Agreement, interest rate of 2.645% at March 31, 2009
                180,000  
Other notes
    7,383       7,934       9,246  
 
                 
Total debt
    1,249,189       1,249,611       1,334,033  
Less current maturities
    (219,583 )     (226,119 )     (181,926 )
 
                 
Long-term debt
  1,029,606     $ 1,023,492     1,152,107  
 
                 
    The Corporation’s $325,000,000 five-year revolving credit agreement, $130,000,000 unsecured term loan (the “Term Loan”) and $100,000,000 three-year secured accounts receivable credit facility (the “AR Credit Facility”) are subject to a leverage ratio covenant. The covenant requires the Corporation’s ratio of consolidated debt to consolidated earnings before interest, taxes, depreciation, depletion and amortization (EBITDA), as defined, for the trailing twelve months (the “Ratio”) to not exceed 3.75 to 1.00 as of March 31, 2010 and to not exceed 3.50 to 1.00 as of the end of any fiscal quarter ending on or after June 30, 2010. Furthermore, the covenant allows the Corporation to exclude debt incurred in connection with acquisitions from the Ratio for a period of 180 days so long as the Corporation maintains specified ratings on its long-term unsecured debt and the Ratio calculated without such exclusion does not exceed the maximum Ratio plus 0.25. Certain other nonrecurring items and noncash items, if they occur, can also be excluded from the Ratio. The Corporation was in compliance with the Ratio at March 31, 2010.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
5.   Long-Term Debt (continued)
 
    The Corporation unwound two forward starting interest rate swap agreements with a total notional amount of $150,000,000 (the “Swap Agreements”) in April 2008. The Corporation made a cash payment of $11,139,000, which represented the fair value of the Swap Agreements on the date of termination. The accumulated other comprehensive loss, net of tax, at the date of termination is being recognized in earnings over the life of the 6.6% Senior Notes. For the three months ended March 31, 2010 and 2009, the Corporation recognized $218,000 and $203,000, respectively, as additional interest expense. The ongoing amortization of the terminated value of the Swap Agreements will increase annual interest expense by approximately $1,000,000 until the maturity of the 6.6% Senior Notes in 2018. The accumulated other comprehensive loss related to the Swap Agreements was $5,755,000, net of cumulative noncurrent deferred tax assets of $3,765,000, at March 31, 2010; $5,887,000, net of cumulative noncurrent deferred tax assets of $3,852,000, at December 31, 2009; and $6,271,000, net of cumulative noncurrent deferred tax assets of $4,102,000, at March 31, 2009.
 
    In April 2010, the Corporation repaid $217.6 million of Floating Rate Senior Notes through the use of cash and short-term borrowings.
6.   Financial Instruments
 
    The Corporation’s financial instruments include temporary cash investments, accounts receivable, notes receivable, bank overdraft, publicly registered long-term notes, debentures and other long-term debt.
 
    Temporary cash investments are placed primarily in money market funds and Eurodollar time deposits with the following financial institutions: Bank of America, N.A., Branch Banking and Trust Company, JP Morgan Chase Bank, N.A. and Wells Fargo Bank, N.A.. The Corporation’s cash equivalents have maturities of less than three months. Due to the short maturity of these investments, they are carried on the consolidated balance sheets at cost, which approximates fair value.
 
    Customer receivables are due from a large number of customers, primarily in the construction industry, and are dispersed across wide geographic and economic regions. However, customer receivables are more heavily concentrated in certain states (namely, Texas, North Carolina, Georgia, Iowa and Louisiana which accounted for approximately 56% of the Aggregate business’ 2009 net sales). The estimated fair values of customer receivables approximate their carrying amounts.
 
    Notes receivable are primarily related to divestitures and are not publicly traded. However, using current market interest rates, but excluding adjustments for credit worthiness, if any, management estimates that the fair value of notes receivable approximates the carrying amount.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
6.   Financial Instruments (continued)
 
    The bank overdraft represents the float of outstanding checks. The estimated fair value of the bank overdraft approximates its carrying value.
 
    The estimated fair value of the Corporation’s publicly registered long-term notes and debentures at March 31, 2010 was $1,158,501,000, compared with a carrying amount of $1,130,056,000 on the consolidated balance sheet. The fair value of this long-term debt was estimated based on quoted market prices. The estimated fair value of other borrowings, including the Corporation’s Term Loan, was $119,133,000 at March 31, 2010 and approximates its carrying amount.
 
    The carrying values and fair values of the Corporation’s financial instruments are as follows:
                 
    March 31, 2010
    Carrying Value   Fair Value
    (Dollars in Thousands)
Cash and cash equivalents
  $ 221,043     $ 221,043  
Accounts receivable, net
  $ 202,101     $ 202,101  
Notes receivable, net
  $ 12,661     $ 12,661  
Bank overdraft
  $ 2,227     $ 2,227  
Long-term debt
  $ 1,249,189     $ 1,277,634  
7.   Income Taxes
 
    Income tax benefit/expense reported in the Corporation’s consolidated statements of earnings includes income tax benefit/expense on earnings attributable to both the Corporation and its noncontrolling interests.
                 
    Three Months Ended
    March 31,
    2010   2009
Estimated effective income tax rate:
               
Continuing operations
    16.7 %     25.3 %
 
               
Discontinued operations
    20.4 %     27.5 %
 
               
Consolidated Overall
    16.7 %     25.3 %
 
               
    The Corporation’s effective income tax rate reflects the effect of federal and state income taxes and the impact of differences in book and tax accounting arising from the net permanent benefits associated with the depletion allowances for mineral reserves and the domestic production deduction. The effective income tax rates for discontinued operations reflect the tax effects of individual operations’ transactions and are not indicative of the Corporation’s overall effective income tax rate.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
7.   Income Taxes (continued)
 
    On March 23, 2010, the Patient Protection and Affordable Care Act (PPACA) was signed into law. Among other things, the PPACA reduces the tax benefits available to an employer that receives the Medicare Part D subsidy. Employers that receive the Medicare Part D subsidy recognize the deferred tax effects of the reduced deductibility of the postretirement prescription drug coverage in continuing operations in the period of enactment. The effects of changes in tax law are recognized as discrete events in the period of enactment. Accordingly, the overall estimated effective income tax rate for the three months ended March 31, 2010 includes the effect to the Corporation of the PPACA. Management expects the overall effective tax rate for the full year, inclusive of the effects of PPACA, to be approximately 28%.
 
    The following table summarizes changes in the Corporation’s unrecognized tax benefits, excluding interest and correlative effects, for the three months ended March 31, 2010 (dollars in thousands):
         
Unrecognized tax benefits at beginning of period
  $ 16,722  
Gross increases — tax positions in prior years
    18,128  
Gross decreases — tax positions in prior years
    (1,910 )
Gross increases — tax positions in current year
    376  
 
     
Unrecognized tax benefits at end of period
  $ 33,316  
 
     
    At March 31, 2010, unrecognized tax benefits of $9,592,000, net of federal tax benefits and related to interest accruals and permanent income tax differences, would have favorably affected the Corporation’s effective tax rate if recognized.
 
    The Corporation anticipates that it is reasonably possible that unrecognized tax benefits may significantly change during the twelve months ended March 31, 2011 as a result of the settlement of unresolved issues related to the 2004 and 2005 tax years, settlement of the Internal Revenue Service audit for the 2007 tax year and the expiration of the statute of limitations for federal examination of the 2006 tax year. The Corporation estimates that these events could result in a reasonably possible change in unrecognized tax benefits of up to $10,082,000.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
8.   Pension and Postretirement Benefits
 
    The following presents the estimated components of the recorded net periodic benefit cost for pension and postretirement benefits (dollars in thousands):
                                 
    Three Months Ended March 31,  
    Pension     Postretirement Benefits  
    2010     2009     2010     2009  
Service cost
  $ 3,074     $ 3,022     $ 157     $ 154  
Interest cost
    5,829       5,715       711       695  
Expected return on assets
    (5,255 )     (4,080 )            
Amortization of:
                               
Prior service cost (credit)
    146       164       (372 )     (372 )
Actuarial loss (gain)
    2,605       3,958       15       (21 )
Settlement charge
    99                    
 
                       
Total net periodic benefit cost
  $ 6,498     $ 8,779     $ 511     $ 456  
 
                       
9.   Contingencies
 
    The Corporation is a named party in various legal proceedings in both federal and state courts relating to its Greenwood, Missouri, operation as discussed in “Note N: Commitments and Contingencies” of the “Notes to Financial Statements” of the 2009 Financial Statements included under Item 8 of in its Annual Report on Form 10-K for the year ended December 31, 2009, which discussion is incorporated herein by reference. In April 2010, the Corporation requested that the United States Supreme Court accept an appeal of the damages award rendered against it in one of these proceedings with respect to which Corporation had established an $11,900,000 legal reserve as of December 31, 2009, which remains at March 31, 2010.
 
    In the opinion of management and counsel, it is unlikely that the outcome of any other litigation and other proceedings, including those pertaining to environmental matters, relating to the Corporation and its subsidiaries, will have a material adverse effect on the results of the Corporation’s operations, its cash flows or its financial position.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
10.   Business Segments
 
    The Corporation conducts its aggregates operations through three reportable business segments: Mideast Group, Southeast Group and West Group. The Corporation also has a Specialty Products segment that includes magnesia-based chemicals products and dolomitic lime.
 
    The following tables display selected financial data for continuing operations for the Corporation’s reportable business segments. Corporate loss from operations primarily includes depreciation on capitalized interest, expenses for corporate administrative functions, unallocated corporate expenses and other nonrecurring and/or non-operational adjustments.
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)  
Total revenues:
               
Mideast Group
  $ 89,342     $ 86,555  
Southeast Group
    83,967       114,221  
West Group
    121,808       137,015  
 
           
Total Aggregates Business
    295,117       337,791  
Specialty Products
    45,827       36,770  
 
           
Total
  $ 340,944     $ 374,561  
 
           
 
               
Net sales:
               
Mideast Group
  $ 83,345     $ 81,842  
Southeast Group
    68,120       95,310  
West Group
    102,370       119,534  
 
           
Total Aggregates Business
    253,835       296,686  
Specialty Products
    41,726       33,156  
 
           
Total
  $ 295,561     $ 329,842  
 
           
 
               
Earnings (Loss) from operations:
               
Mideast Group
  $ 2,095     $ 5,205  
Southeast Group
    (9,099 )     8,156  
West Group
    (12,262 )     44  
 
           
Total Aggregates Business
    (19,266 )     13,405  
Specialty Products
    11,212       6,342  
Corporate
    (4,810 )     (8,799 )
 
           
Total
  $ (12,864 )   $ 10,948  
 
           

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Continued)
10.   Business Segments (continued)
 
    The asphalt, ready mixed concrete, road paving and other product lines are considered internal customers of the core aggregates business. Product lines for the Specialty Products segment consist of magnesia-based chemicals, dolomitic lime and other. Net sales by product line are as follows:
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)  
 
               
Aggregates
  $ 237,630     $ 275,998  
Asphalt
    8,659       9,065  
Ready Mixed Concrete
    5,625       8,078  
Road Paving
    1,659       2,481  
Other
    262       1,064  
 
           
Total Aggregates Business
    253,835       296,686  
 
           
Magnesia-Based Chemicals
    26,776       24,386  
Dolomitic Lime
    14,698       8,523  
Other
    252       247  
 
           
Specialty Products
    41,726       33,156  
 
           
Total
  $ 295,561     $ 329,842  
 
           
11.   Supplemental Cash Flow Information
 
    The following table presents the components of the change in other assets and liabilities, net:
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)  
 
               
Other current and noncurrent assets
  $ (1,912 )   $ (3,953 )
Accrued salaries, benefits and payroll taxes
    (2,193 )     (4,795 )
Accrued insurance and other taxes
    1,853       3,590  
Accrued income taxes
    3,127       (1,835 )
Accrued pension, postretirement and postemployment benefits
    733       8,094  
Other current and noncurrent liabilities
    14,857       7,901  
 
           
 
  $ 16,465     $ 9,002  
 
           

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.
OVERVIEW Martin Marietta Materials, Inc. (the “Corporation”), conducts its operations through four reportable business segments: Mideast Group, Southeast Group, West Group (collectively, the “Aggregates business”) and Specialty Products. The Corporation’s annual net sales and earnings are predominately derived from its Aggregates business, which processes and sells granite, limestone, and other aggregates products from a network of 286 quarries, distribution facilities and plants to customers in 31 states, Canada, the Bahamas and the Caribbean Islands. The Aggregates business’ products are used primarily by commercial customers principally in domestic construction of highways and other infrastructure projects and for commercial and residential building development. The Specialty Products segment produces magnesia-based chemicals products used in industrial, agricultural and environmental applications and dolomitic lime sold primarily to customers in the steel industry.
CRITICAL ACCOUNTING POLICIES The Corporation outlined its critical accounting policies in its Annual Report on Form 10-K for the year ended December 31, 2009, filed with the Securities and Exchange Commission on February 26, 2010. There were no changes to the Corporation’s critical accounting policies during the quarter ended March 31, 2010.
RESULTS OF OPERATIONS
Except as indicated, the following comparative analysis in the Results of Operations section of this Management’s Discussion and Analysis of Financial Condition and Results of Operations reflects results from continuing operations and is based on net sales and cost of sales. The Corporation’s heritage aggregates product line excludes volume and pricing data for acquisitions that have not been included in prior-year operations for the comparable period and divestitures.
Gross margin as a percentage of net sales and operating margin as a percentage of net sales represent non-GAAP measures. The Corporation presents these ratios calculated based on net sales, as it is consistent with the basis by which management reviews the Corporation’s operating results. Further, management believes it is consistent with the basis by which investors analyze the Corporation’s operating results given that freight and delivery revenues and costs represent pass-throughs and have no profit mark-up. Gross margin and operating margin calculated as percentages of total revenues represent the most directly comparable financial measures calculated in accordance with generally accepted accounting principles (GAAP). The following tables present the calculations of gross margin and operating margin for the three months ended March 31, 2010 and 2009 in accordance with GAAP and reconciliations of the ratios as percentages of total revenues to percentages of net sales (dollars in thousands):

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
Gross Margin in Accordance with GAAP
                 
    Three Months Ended  
    March 31,  
    2010     2009  
 
               
Gross profit
  $ 19,613     $ 48,535  
 
           
 
               
Total revenues
  $ 340,944     $ 374,561  
 
           
 
               
Gross margin
    5.8 %     13.0 %
 
           
Gross Margin Excluding Freight and Delivery Revenues
                 
    Three Months Ended  
    March 31,  
    2010     2009  
 
               
Gross profit
  $ 19,613     $ 48,535  
 
           
 
               
Total revenues
  $ 340,944     $ 374,561  
Less: Freight and delivery revenues
    (45,383 )     (44,719 )
 
           
Net sales
  $ 295,561     $ 329,842  
 
           
 
               
Gross margin excluding freight and delivery revenues
    6.6 %     14.7 %
 
           
Operating Margin in Accordance with GAAP
                 
    Three Months Ended  
    March 31,  
    2010     2009  
 
               
(Loss) Earnings from operations
  $ (12,864 )   $ 10,948  
 
           
 
               
Total revenues
  $ 340,944     $ 374,561  
 
           
 
               
Operating margin
    (3.8 %)     2.9 %
 
           

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
Operating Margin Excluding Freight and Delivery Revenues
                 
    Three Months Ended  
    March 31,  
    2010     2009  
 
               
(Loss) Earnings from operations
  $ (12,864 )   $ 10,948  
 
           
 
               
Total revenues
  $ 340,944     $ 374,561  
Less: Freight and delivery revenues
    (45,383 )     (44,719 )
 
           
Net sales
  $ 295,561     $ 329,842  
 
           
 
               
Operating margin excluding freight and delivery revenues
    (4.4 %)     3.3 %
 
           
Quarter Ended March 31
Notable items for the quarter ended March 31, 2010 included:
  Net sales of $295.6 million compared with $329.8 million for the 2009 first quarter
 
  Heritage aggregates product line volume down 11.9% for the quarter; up 9% for the month of March
 
  Heritage aggregates product line pricing down 3.1%
 
  Record Specialty Products operating margin (excluding freight and delivery revenues) of 26.9%, up 780 basis points
 
  Loss from operations of $12.9 million compared with earnings from operations of $10.9 million for the prior-year quarter
 
  Loss per diluted share of $0.54 compared with a loss per diluted share of $0.14 for the prior-year quarter
 
  Acquired deep-water port operation located at Port Canaveral, Florida     
The following table presents net sales, gross profit, selling, general and administrative expenses and earnings (loss) from operations data for the Corporation and its reportable segments for the three months ended March 31, 2010 and 2009. In each case, the data is stated as a percentage of net sales of the Corporation or the relevant segment, as the case may be.
Earnings from operations include research and development expense and other operating income and expenses, net. Research and development expense for the Corporation was $0.1 million for the quarter ended March 31, 2009. Consolidated other operating income and expenses, net, was income of $1.1 million and expense of $0.3 million for the quarters ended March 31, 2010 and 2009, respectively.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
                                 
    Three Months Ended March 31,  
    2010     2009  
            % of             % of  
    Amount     Net Sales     Amount     Net Sales  
    (Dollars in Thousands)  
Net sales:
                               
Mideast Group
  $ 83,345             $ 81,842          
Southeast Group
    68,120               95,310          
West Group
    102,370               119,534          
 
                           
Total Aggregates Business
    253,835       100.0       296,686       100.0  
Specialty Products
    41,726       100.0       33,156       100.0  
 
                       
Total
  $ 295,561       100.0     $ 329,842       100.0  
 
                       
 
                               
Gross profit (loss):
                               
Mideast Group
  $ 11,872             $ 16,020          
Southeast Group
    (2,885 )             14,868          
West Group
    (2,943 )             10,740          
 
                           
Total Aggregates Business
    6,044       2.4       41,628       14.0  
Specialty Products
    14,073       33.7       8,674       26.2  
Corporate
    (504 )           (1,767 )      
 
                       
Total
  $ 19,613       6.6     $ 48,535       14.7  
 
                       
 
                               
Selling, general & administrative expenses:
                               
Mideast Group
  $ 10,447             $ 11,142          
Southeast Group
    6,414               6,521          
West Group
    10,665               10,693          
 
                           
Total Aggregates Business
    27,526       10.8       28,356       9.6  
Specialty Products
    2,931       7.0       2,354       7.1  
Corporate
    3,114             6,447        
 
                       
Total
  $ 33,571       11.4     $ 37,157       11.3  
 
                       
 
                               
Earnings (Loss) from operations:
                               
Mideast Group
  $ 2,095             $ 5,205          
Southeast Group
    (9,099 )             8,156          
West Group
    (12,262 )             44          
 
                           
Total Aggregates Business
    (19,266 )     (7.6 )     13,405       4.5  
Specialty Products
    11,212       26.9       6,342       19.1  
Corporate
    (4,810 )           (8,799 )      
 
                       
Total
  $ (12,864 )     (4.4 )   $ 10,948       3.3  
 
                       

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
This was a predictably difficult first quarter as the Corporation expected any benefits that would flow from the American Recovery and Reinvestment Act (“ARRA” or “Stimulus”) would not occur during the early part of 2010. This proved to be the case; however, heritage aggregates product line volume increased 9% for the month of March. This marks the first month of volume growth compared with the prior-year month in the past several years. Perhaps more importantly, this volume trend continued through April with double-digit volume increases for the month, marking the first back-to-back months of volume growth since February and March 2006. This improvement in shipments coincided with the initiation of the construction season and is being largely fueled by Stimulus, as money is reaching the states, and projects are beginning. Looking at the quarter, heritage aggregates product line volume was down 11.9% compared with the prior-year period. This was not a surprise, as historically, the first quarter is the weakest and most volatile quarter for the Corporation’s Aggregates business. Still, this quarter’s volatility was particularly exacerbated by unprecedented precipitation and cold temperatures during January and February, including snowfalls in even the Corporation’s most southern markets. While it is difficult to quantify the shipments lost due specifically to weather, the impact is evident given that heritage aggregates shipments for the quarter were at the lowest level since 1999 despite March’s 9% shipment increase.
Overall, heritage aggregates product line pricing decreased 3.1% compared with the prior-year quarter. Consistent with recent trends, pricing varied significantly by market and ranged from an increase of 12% to a decrease of 30%. While the effect of weather was more acutely evident in the quarter’s volume profile, it also contributed to the wide range of price fluctuation as it affected the timing of reopening quarries closed for the winter, placed varying hardships on certain long-haul markets, and inevitably delayed the initiation of new construction. As in 2009, two of the hardest hit geographic areas in terms of quarterly volume and pricing decline were the Corporation’s Florida and River markets. In addition, the Aggregates business is seeing pricing pressure in a growing number of geographic areas; however, this is consistent with the Corporation’s view of a more challenging pricing environment in 2010 due not only to competitive forces but also the impact of both geographic and product mix. That said, the historically low level of aggregates shipments and customary first-quarter volatility make it difficult to use first-quarter pricing trends as a meaningful projection for the balance of the year.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
The following tables present volume and pricing data and shipments data for the aggregates product line. Heritage aggregates operations exclude volume and pricing data for acquisitions that were not included in prior-year operations for the comparable period and divestitures.
                 
    Three Months Ended
    March 31, 2010
    Volume   Pricing
Volume/Pricing Variance (1)
               
Heritage Aggregates Product Line (2):
               
Mideast Group
    3.3 %     (1.3 %)
Southeast Group
    (23.1 %)     (6.5 %)
West Group
    (13.0 %)     (2.9 %)
Heritage Aggregates Operations
    (11.9 %)     (3.1 %)
Aggregates Product Line (3)
    (11.1 %)     (3.1 %)
                 
    Three Months Ended
    March 31,
    2010   2009
    (tons in thousands)
Shipments
               
Heritage Aggregates Product Line (2):
               
Mideast Group
    6,905       6,681  
Southeast Group
    6,122       7,961  
West Group
    10,220       11,744  
 
               
Heritage Aggregates Operations
    23,247       26,386  
Acquisitions
    226        
Divestitures (4)
    3       14  
 
               
Aggregates Product Line (3)
    23,476       26,400  
 
               
 
(1)   Volume/pricing variances reflect the percentage increase/(decrease) from the comparable period in the prior year.
 
(2)   Heritage Aggregates Product Line excludes volume and pricing data for acquisitions that have not been included in prior-year operations for the comparable period and divestitures.
 
(3)   Aggregates Product Line includes all acquisitions from the date of acquisition and divestitures through the date of disposal.
 
(4)   Divestitures include the tons related to divested aggregates product line operations up to the date of divestiture.
The Aggregates business is significantly affected by seasonal changes and other weather-related conditions. Aggregates production and shipment levels coincide with general construction activity levels, most of which occurs in the spring, summer and fall. Thus, production and shipment levels vary by quarter. Operations concentrated in the northern United States generally experience more severe winter weather conditions than operations in the Southeast and Southwest. Excessive rainfall, and conversely excessive drought, can also jeopardize shipments, production and profitability. Because of the potentially significant impact of weather on the Corporation’s operations, first-quarter results are not indicative of expected performance for other interim periods or the full year.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
The Specialty Products business contributed significantly to the Corporation’s first-quarter results, expanding its operating margin (excluding freight and delivery revenues) 780 basis points to 26.9% for the quarter. This business segment had volume growth in all product lines. Notably, in March, the Specialty Products business had the largest shipping month for dolomitic lime in recent history which eclipsed the previous monthly shipment record established in April 2008. The Specialty Products business has continued to focus on operational efficiency initiatives, which, along with increased shipments and capacity utilization, drove its record quarterly profitability. Earnings from operations of $11.2 million increased $4.9 million compared with the prior-year quarter.
The Corporation’s results also reflected its ability to control costs. The Corporation’s operating team continued its focus on cost containment, and, consequently, consolidated cost of sales decreased $5.4 million, or 2%, for the quarter. With the exception of depreciation, which increased $2.8 million, or 7%, and energy costs, which increased $4.2 million, or 15%, the Corporation again reduced cost of sales in every significant category. The increase in energy costs was driven in large part by diesel expense. For the quarter, the Corporation paid $2.03 per gallon for diesel, a 59% increase as compared with the prior-year quarter.
The following presents a rollforward of the Corporation’s gross profit (dollars in thousands):
         
Consolidated gross profit, quarter ended March 31, 2009
  $ 48,535  
 
     
Aggregates Business:
       
Pricing weakness
    (7,470 )
Volume weakness
    (35,381 )
Cost decreases, net
    7,267  
 
     
Decrease in Aggregates Business gross profit
    (35,584 )
Specialty Products
    5,399  
Corporate
    1,263  
 
     
Decrease in consolidated gross profit
    (28,922 )
 
     
Consolidated gross profit, quarter ended March 31, 2010
  $ 19,613  
 
     
Selling, general and administrative expenses were down $3.6 million for the quarter compared with the 2009 first quarter due to declining personnel costs. The Corporation’s objective is to hold selling, general and administrative expenses flat with 2009, excluding required payments under certain retirement plans.
Among other items, other operating income and expenses, net, includes gains and losses on the sale of assets; gains and losses related to accounts receivable; rental, royalty and services income; and the accretion and depreciation expenses related to asset retirement obligations. For the first quarter, consolidated other operating income and expenses, net, was income of $1.1 million in 2010 compared with an expense of $0.3 million in 2009.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
Interest expense was $17.6 million for the first quarter 2010 as compared with $18.5 million for the prior-year quarter. The decrease primarily resulted from both lower outstanding borrowings and a lower interest rate on the Corporation’s Floating Rate Senior Notes during the three months ended March 31, 2010 as compared with the prior-year quarter.
In addition to other offsetting amounts, other nonoperating income and expenses, net, are comprised generally of interest income and net equity earnings from nonconsolidated investments. Consolidated other nonoperating income and expenses, net, for the quarter ended March 31, was income of $0.6 million in 2010 compared with an expense of $1.0 million in 2009, primarily as a result of higher interest income and a larger gain on foreign currency transactions.
The consolidated overall estimated effective income tax rate for the three months ended March 31, 2010 was 16.7% compared with 25.3% for the first quarter 2009. The 2010 overall effective tax rate includes the reduction of tax benefits for the Medicare Part D subsidy resulting from the enactment of the Patient Protection and Affordable Care Act. Management expects the overall effective tax rate for the full year to be approximately 28%.
LIQUIDITY AND CAPITAL RESOURCES Net cash provided by operating activities during the three months ended March 31, 2010 was $27.1 million compared with $64.8 million in the comparable period of 2009. Operating cash flow is primarily from consolidated net earnings, before deducting depreciation, depletion and amortization, offset by working capital requirements. Net cash provided by operating activities for the first three months of 2010 as compared with the year-earlier period reflects lower consolidated net earnings before depreciation, depletion and amortization and a $39.3 million build in accounts receivable in the quarter ended March 31, 2010 resulting from increased sales occurring in the last two weeks of March, offset by a reduction in inventories. Management currently expects this trend to continue through the balance of the year.
Depreciation, depletion and amortization were as follows:
                 
    Three Months Ended  
    March 31,  
    2010     2009  
    (Dollars in Thousands)
Depreciation
  $ 43,493     $ 41,193  
Depletion
    620       709  
Amortization
    855       717  
 
           
 
  $ 44,968     $ 42,619  
 
           

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
The seasonal nature of the construction aggregates business impacts quarterly operating cash flow when compared with the year. Full year 2009 net cash provided by operating activities was $318.4 million, compared with $64.8 million for the first three months of 2009.
Capital expenditures, exclusive of acquisitions, for the first three months were $25.0 million in 2010 and $40.3 million in 2009. Comparable full-year capital expenditures were $139.2 million in 2009. Full-year capital spending for 2010 is expected to be approximately $160 million, including the Hunt Martin Materials joint venture but exclusive of acquisitions.
During the quarter ended March 31, 2010, the Corporation spent $28.0 million on acquisitions, primarily on the acquisition of a deep-water port operation located at Port Canaveral in Florida. This facility is currently the only developed deep-water aggregates import terminal located on the central east coast of Florida. From this location, the Corporation can ship product into the greater Orlando area, the second-largest aggregates consuming area in Florida. This acquisition complements the Corporation’s existing long-haul rail network and will make a positive contribution to profitability in 2010 and future years.
During the three months ended March 31, 2010, the Corporation borrowed $50.0 million under its $100 million three-year secured accounts receivable credit facility. These borrowings were repaid in full as of March 31, 2010.
The Corporation can purchase its common stock through open-market purchases pursuant to authority granted by its Board of Directors. The Corporation did not repurchase any shares of common stock during the three months ended March 31, 2010 or 2009. Management currently has no intent to repurchase any shares of its common stock. At March 31, 2010, 5,042,000 shares of common stock were remaining under the Corporation’s repurchase authorization.
The Corporation’s $325,000,000 five-year revolving credit agreement (the “Credit Agreement”), $130,000,000 unsecured term loan (the “Term Loan”) and $100,000,000 secured accounts receivable credit facility (the “AR Credit Facility”) are subject to a leverage ratio covenant. The covenant requires the Corporation’s ratio of consolidated debt to consolidated earnings before interest, taxes, depreciation, depletion and amortization (EBITDA), as defined, for the trailing twelve months (the “Ratio”) to not exceed 3.75 to 1.00 as of March 31, 2010 and to not exceed 3.50 to 1.00 as of the end of any fiscal quarter ending on or after June 30, 2010. Furthermore, the covenant allows the Corporation to exclude debt incurred in connection with acquisitions from the Ratio for a period of 180 days so long as the Corporation maintains specified ratings on its long-term unsecured debt and the Ratio calculated without such exclusion does not exceed the maximum Ratio plus 0.25. The Ratio is calculated as total long-term debt divided by consolidated EBITDA, as defined, for the trailing twelve months. Consolidated EBITDA is generally defined as earnings before interest expense, income tax expense, and depreciation, depletion and amortization expense for continuing operations. Additionally, stock-based compensation expense is added back and interest income is deducted in the calculation of

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
consolidated EBITDA. Certain other nonrecurring items and noncash items, if they occur, can affect the calculation of consolidated EBITDA. At March 31, 2010, the Corporation’s ratio of consolidated debt to consolidated EBITDA, as defined, for the trailing twelve month EBITDA was 3.37 and was calculated as follows (dollars in thousands):
         
    Twelve Month Period  
    April 1, 2009 to  
    March 31, 2010  
Earnings from continuing operations attributable to Martin Marietta Materials, Inc.
  $ 67,625  
Add back:
       
Interest expense
    72,551  
Income tax expense
    24,414  
Depreciation, depletion and amortization expense
    176,268  
Stock-based compensation expense
    19,360  
Nonrecurring, noncash accrual for legal reserve
    11,900  
Deduct:
       
Interest income
    (1,667 )
 
     
Consolidated EBITDA, as defined
  $ 370,451  
 
     
Consolidated debt at March 31, 2010
  $ 1,249,189  
 
     
Consolidated debt to consolidated EBITDA, as defined, at March 31, 2010 for the trailing twelve month EBITDA
    3.37  
 
     
The legal reserve is considered an unusual, nonrecurring, noncash charge under the definition of EBITDA in the Corporation’s credit agreements. A future payment related to the legal reserve could have an impact on the Corporation’s leverage covenant under its credit agreements. In the event of a default on the leverage ratio, the lenders can terminate the Credit Agreement, Term Loan and AR Credit Facility and declare any outstanding balance as immediately due.
Cash on hand, along with the Corporation’s projected internal cash flows and availability of financing resources, including its access to debt and equity capital markets, are expected to continue to be sufficient to provide the capital resources necessary to support anticipated operating needs, cover debt service requirements, meet capital expenditures and discretionary investment needs, fund certain acquisition opportunities that may arise, and allow for payment of dividends for the foreseeable future. At March 31, 2010, the Corporation had $323 million of unused borrowing capacity under its Credit Agreement and $100 million of available borrowings on its AR Credit Facility, subject to complying with the related leverage covenant. Of the $423 million of unused borrowing capacity, $212 million, or 50%, has been committed from Wells Fargo Bank, N.A. and Wachovia Bank, N.A. under commitments entered into prior to Wells Fargo Bank, N.A.’s acquisition of Wachovia Bank, N.A. Management does not expect any material change in this commitment prior to the expiration of the facilities. The Credit Agreement expires on June 30, 2012 and the AR Credit Facility terminates on April 20, 2012.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
In April 2010, the Corporation settled its obligation related to its Floating Rate Senior Notes through the use of cash and short-term financing, reducing total debt by $143 million. At April 30, 2010, the Corporation had total outstanding total debt of $1.11 billion with $75 million of borrowings outstanding under the AR Credit Facility. Accordingly, at April 30, 2010, the Corporation has available borrowings of $25 million on the AR Credit Facility and $323 million on the Credit Agreement. Assuming the total amount of outstanding debt at April 30, 2010 was outstanding at March 31, 2010, the proforma ratio of consolidated debt to consolidated EBITDA, as defined, would have been 2.99 times at March 31, 2010, calculated as follows (dollars in thousands):
         
    Twelve Month Period  
    April 1, 2009 to  
    March 31, 2010  
Earnings from continuing operations attributable to Martin Marietta Materials, Inc.
  $ 67,625  
Add back:
       
Interest expense
    72,551  
Income tax expense
    24,414  
Depreciation, depletion and amortization expense
    176,268  
Stock-based compensation expense
    19,360  
Nonrecurring, noncash accrual for legal reserve
    11,900  
Deduct:
       
Interest income
    (1,667 )
 
     
Consolidated EBITDA, as defined
  $ 370,451  
 
     
Proforma consolidated debt at March 31, 2010
  $ 1,106,033  
 
     
Proforma consolidated debt to consolidated EBITDA, as defined, at March 31, 2010 for the trailing twelve month EBITDA
    2.99  
 
     
The Corporation may be required to obtain financing in order to fund certain strategic acquisitions, if any such opportunities arise, or to refinance outstanding debt. Any strategic acquisition of size would require an appropriate balance of newly-issued equity with debt in order to maintain an investment-grade credit rating. Borrowings under the AR Credit Facility would be limited based on the balance of the Corporation’s accounts receivable. Furthermore, the Corporation is exposed to the credit markets, through the interest cost related to its AR Credit Facility and Term Loan and the interest cost related to its commercial paper program, to the extent that it is available to the Corporation. Currently, the Corporation’s senior unsecured debt is rated BBB+ by Standard & Poor’s and Baa3 by Moody’s. The Corporation’s commercial paper obligations are rated A-2 by Standard & Poor’s and P-3 by Moody’s. While management believes its credit ratings will remain at an investment-grade level, no assurance can be given that these ratings will remain at those levels.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
TRENDS AND RISKS The Corporation outlined the risks associated with its business in its Annual Report on Form 10-K for the year ended December 31, 2009, filed with the Securities and Exchange Commission on February 26, 2010. Management continues to evaluate its exposure to all operating risks on an ongoing basis.
OUTLOOK Management’s current view of the Corporation’s markets in 2010 continues to be framed by the expectation of greater stability in overall aggregates demand. Evidence of that stability was reflected in March and April aggregates shipments. Management expects volumes sold to the infrastructure construction market to increase as recipients of ARRA funds initiate the projects on which the monies have been obligated. While over 80% of ARRA infrastructure money in the Corporation’s top five states was obligated in 2009, less than 15% was actually spent. Management also believes recent Congressional actions relative to the year-end 2010 extension of the Safe, Accountable, Flexible and Efficient Transportation Equity Act — A Legacy for Users (SAFETEA-LU), the federal highway bill that expired September 30, 2009, will bolster state-level confidence, reduce budget pressures and allow state Departments of Transportation to progress longer-term construction projects to the bid and award stage. Management continues to closely monitor progress relative to the federal highway bill reauthorization as it believes this reauthorization is critical to 2011 aggregates demand. Management expects to see a moderate increase in aggregates volume to the residential construction market, although this increase will be from a historically low base. Management also anticipates steady growth for the Corporation’s ChemRock/Rail products. These three end-use markets cumulatively comprised 75% of the Corporation’s 2009 aggregates volumes. Commercial, or non-residential, construction represents the balance of the Corporation’s aggregates volume. As previously stated, management expects a decline in these volumes in 2010. While management has not yet seen evidence in the Corporation’s customer backlogs, the heavy industrial component of commercial construction may have an opportunity to expand in the second half of 2010 as developers take advantage of low construction costs and credit availability. Considering all these factors, management expects a modest increase in aggregates volume in 2010. However, if the decline in commercial construction is greater than anticipated, volumes may be flat with the prior year.
Aggregates production cost per ton is expected to remain flat in 2010 with increased production volume offset by a modest increase in the overall cost environment. Energy costs, primarily diesel fuel consumed by off-road mobile quarry equipment, are assumed to increase slightly as compared with 2009. The Specialty Products business should continue to expand its profitability in 2010, as even modest economic recovery drives industrial demand for magnesia-based chemicals products and continued demand for environmental applications is driven by the United States’ focus on green technology and innovation.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
Based on its current economic view, management expects aggregates volume growth of 2% to 4% and aggregates pricing to range from flat to an increase of 2% compared with prior year, which should lead to increased aggregates sales and improved gross margin and profitability in 2010. Management expects the Specialty Products segment to contribute $40 million to $42 million in pretax earnings for 2010. Interest expense should be approximately $70 million in 2010. Capital expenditures are forecast at $160 million for 2010. Consistent with first-quarter results, management expects that there will be an increased use of cash for working capital, most notably accounts receivable, as revenues grow.
The 2010 estimated outlook includes management’s assessment of the likelihood of certain risk factors that will affect future performance. The most significant risk to 2010 performance will be the strength of the United States economy and its impact on construction activity. The 2010 outlook is based on the expectation that the United States economy will stabilize and positive economic growth will commence in the second half of the year.
Risks to the Corporation’s future performance are related to both price and volume and include a widespread decline in aggregates pricing, a greater-than-expected drop in demand as a result of the continued delays in federal ARRA and state infrastructure projects, a further delay in federal highway funding, a continued decline in commercial construction, a further decline in residential construction, or some combination thereof. Further, increased highway construction funding pressures, as a result of either federal or state issues, can affect profitability. Currently, nearly all states are experiencing state-level funding pressures driven by lower tax revenues and an inability to finance approved projects. North Carolina and Texas are among the states experiencing these pressures, and these states disproportionately affect the Corporation’s revenues and profitability.
The Corporation’s principal business serves customers in construction aggregates-related markets. This concentration could increase the risk of potential losses on customer receivables; however, payment bonds posted by the Corporation’s customers can help to mitigate the risk of uncollectible receivables. The level of aggregates demand in the Corporation’s end-use markets, production levels and the management of production costs will affect the operating leverage of the Aggregates business and, therefore, profitability. Production costs in the Aggregates business are also sensitive to energy prices, both directly and indirectly. Diesel and other fuels change production costs directly through consumption or indirectly in the increased cost of energy-related consumables, namely steel, explosives, tires and conveyor belts. Changing diesel costs also affect transportation costs, primarily through fuel surcharges in the Corporation’s long-haul distribution network. The Corporation’s estimated outlook does not contemplate rapidly increasing diesel costs or sustained periods of increased diesel fuel cost during 2010.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
The availability of transportation in the Corporation’s long-haul network, particularly the availability of barges on the Mississippi River system and the availability of rail cars and locomotive power to move trains, affects the Corporation’s ability to efficiently transport material into certain markets, most notably Texas, Florida and the Gulf Coast region. The Aggregates business is also subject to weather-related risks that can significantly affect production schedules and profitability. Hurricane activity in the Atlantic Ocean and Gulf Coast generally is most active during the third and fourth quarters.
In addition to the impact on commercial and residential construction, the Corporation is exposed to risk in its outlook from credit markets and the availability of and interest cost related to its debt. If volumes decline worse than expected, the Corporation is exposed to greater risk in its earnings, including its debt covenant, as the pressure of operating leverage increases disproportionately.
OTHER MATTERS If you are interested in Martin Marietta Materials, Inc. stock, management recommends that, at a minimum, you read the Corporation’s current Annual Report and Forms 10-K, 10-Q and 8-K reports to the SEC over the past year. The Corporation’s recent proxy statement for the annual meeting of shareholders also contains important information. These and other materials that have been filed with the SEC are accessible through the Corporation’s website at www.martinmarietta.com and are also available at the SEC’s website at www.sec.gov. You may also write or call the Corporation’s Corporate Secretary, who will provide copies of such reports.
Investors are cautioned that all statements in this Quarterly Report that relate to the future involve risks and uncertainties, and are based on assumptions that the Corporation believes in good faith are reasonable but which may be materially different from actual results. Forward-looking statements give the investor the Corporation’s expectations or forecasts of future events. You can identify these statements by the fact that they do not relate only to historical or current facts. They may use words such as “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words of similar meaning in connection with future events or future operating or financial performance. Any or all of the Corporation’s forward-looking statements here and in other publications may turn out to be wrong.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
Factors that the Corporation currently believes could cause actual results to differ materially from the forward-looking statements in this Quarterly Report on Form 10-Q include, but are not limited to, the performance of the United States economy; widespread decline in aggregates pricing; the level and timing of federal and state transportation funding, including federal stimulus projects and most particularly in North Carolina, one of the Corporation’s largest and most profitable states, and Georgia, Texas, Iowa and Louisiana, which when coupled with North Carolina, represented 56% of 2009 net sales of the Aggregates business; the ability of states and/or other entities to finance approved projects either with tax revenues or alternative financing structures; levels of construction spending in the markets the Corporation serves; the severity of a continued decline in the commercial construction market, notably office and retail space, and the continued decline in residential construction; unfavorable weather conditions, particularly Atlantic Ocean hurricane activity, the late start to spring or the early onset of winter and the impact of a drought in the markets served by the Corporation; the volatility of fuel costs, particularly diesel fuel, and the impact on the cost of other consumables, namely steel, explosives, tires and conveyor belts; continued increases in the cost of other repair and supply parts; transportation availability, notably barge availability on the Mississippi River system and the availability of railcars and locomotive power to move trains to supply the Corporation’s Texas, Florida and Gulf Coast markets; increased transportation costs, including increases from higher passed-through energy costs and higher volumes of rail and water shipments; weakening in the steel industry markets served by the Corporation’s dolomitic lime products; inflation and its effect on both production and interest costs; changes in tax laws, the interpretation of such laws and/or administrative practices that would increase the Corporation’s tax rate; violation of the debt covenant if price and volume decline worse than expected; downward pressure on the Corporation’s common stock price and its impact on goodwill impairment evaluations; and other risk factors listed from time to time found in the Corporation’s filings with the Securities and Exchange Commission. Other factors besides those listed here may also adversely affect the Corporation, and may be material to the Corporation. The Corporation assumes no obligation to update any such forward-looking statements.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
RESULTS OF OPERATIONS
First Quarter Ended March 31, 2010
(Continued)
INVESTOR ACCESS TO COMPANY FILINGS Shareholders may obtain, without charge, a copy of Martin Marietta Materials, Inc.’s Annual Report on Form 10-K, as filed with the Securities and Exchange Commission for the fiscal year ended December 31, 2009, by writing to:
Martin Marietta Materials, Inc.
Attn: Corporate Secretary
2710 Wycliff Road
Raleigh, North Carolina 27607-3033
Additionally, Martin Marietta Materials, Inc.’s Annual Report, press releases and filings with the Securities and Exchange Commission, including Forms 10-K, 10-Q, 8-K and 11-K, can generally be accessed via the Corporation’s website. Filings with the Securities and Exchange Commission accessed via the website are available through a link with the Electronic Data Gathering, Analysis, and Retrieval (“EDGAR”) system. Accordingly, access to such filings is available upon EDGAR placing the related document in its database. Investor relations contact information is as follows:
Telephone: (919) 783-4540
Website address: www.martinmarietta.com

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
Item 3. Quantitative and Qualitative Disclosures About Market Risk.
The Corporation’s operations are highly dependent upon the interest rate-sensitive construction and steelmaking industries. Consequently, these marketplaces could experience lower levels of economic activity in an environment of rising interest rates or escalating costs.
Management has considered the current economic environment and its potential impact to the Corporation’s business. Demand for aggregates products, particularly in the commercial and residential construction markets, could continue to decline if companies and consumers are unable to obtain financing for construction projects or if the economic recession causes delays or cancellations to capital projects. Additionally, declining tax revenues and state budget deficits have negatively affected states’ abilities to finance infrastructure construction projects.
Demand in the residential construction market is affected by interest rates. The Federal Reserve kept the federal funds rate at zero percent during 2009; the rate remains unchanged in 2010. The residential construction market accounted for approximately 7% of the Corporation’s aggregates product line shipments in 2009.
Aside from these inherent risks from within its operations, the Corporation’s earnings are affected also by changes in short-term interest rates as a result of any temporary cash investments, including money market funds and Eurodollar time deposit accounts; any outstanding variable-rate borrowing facilities; and defined benefit pension plans. Additionally, the Corporation’s earnings are affected by energy costs. The Corporation has no counterparty risk.
Variable-Rate Borrowing Facilities. The Corporation’s variable-rate borrowing facilities include a $325 million Credit Agreement which supports its commercial paper program, a $100 million AR Credit Facility and a $130 million Term Loan. Borrowings under these facilities and the commercial paper program bear interest at a variable interest rate. A hypothetical 100-basis-point increase in interest rates on outstanding borrowings of $111.8 million, which is the outstanding balance at March 31, 2010, would increase interest expense by $1.1 million on an annual basis. Wells Fargo Bank, N.A. and Wachovia Bank, N.A. have collective commitments of $212.5 million under the Corporation’s variable-rate borrowing facilities.
Pension Expense. The Corporation’s results of operations are affected by its pension expense. Assumptions that affect this expense include the discount rate and the expected long-term rate of return on assets. Therefore, the Corporation has interest rate risk associated with these factors. The impact of hypothetical changes in these assumptions on the Corporation’s annual pension expense is discussed in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2009, filed with the Securities and Exchange Commission on February 26, 2010.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
Energy Costs. Energy costs, including diesel fuel, natural gas and liquid asphalt, represent significant production costs for the Corporation. Increases in the prices of these products generally are tied to energy sector inflation. In 2009, decreases in the prices of these products positively affected earnings per diluted share by $0.50. A hypothetical 10% change in the Corporation’s energy prices in 2010 as compared with 2009, assuming constant volumes, would impact 2010 pretax earnings by approximately $13.1 million.
Aggregate Risk for Interest Rates and Energy Costs. Pension expense for 2010 was calculated based on assumptions selected at December 31, 2009. Therefore, interest rate risk in 2010 is limited to the potential effect related to the Corporation’s borrowings under variable-rate facilities. The effect of a hypothetical increase in interest rates of 1% on the $111.8 million of variable-rate borrowings outstanding at March 31, 2010 would be an increase of $1.1 million in interest expense in 2010. Additionally, a 10% change in energy costs would impact annual pretax earnings by $13.1 million.
Item 4. Controls and Procedures
As of March 31, 2010, an evaluation was performed under the supervision and with the participation of the Corporation’s management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and the operation of the Corporation’s disclosure controls and procedures. Based on that evaluation, the Corporation’s management, including the Chief Executive Officer and Chief Financial Officer, concluded that the Corporation’s disclosure controls and procedures were effective as of March 31, 2010. There were no changes in the Corporation’s internal control over financial reporting during the most recently completed fiscal quarter that materially affected, or are reasonably likely to materially affect, the Corporation’s internal control over financial reporting.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
PART II-OTHER INFORMATION
Item 1. Legal Proceedings.
Reference is made to Part I. Item 3. Legal Proceedings of the Martin Marietta Materials, Inc. Annual Report on Form 10-K for the year ended December 31, 2009.
Item 1A. Risk Factors.
Reference is made to Part I. Item 1A. Risk Factors and Forward-Looking Statements of the Martin Marietta Materials, Inc. Annual Report on Form 10-K for the year ended December 31, 2009.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
ISSUER PURCHASES OF EQUITY SECURITIES
                                 
                    Total Number of     Maximum Number of  
                    Shares Purchased as     Shares that May Yet  
                    Part of Publicly     be Purchased Under  
    Total Number of     Average Price Paid     Announced Plans or     the Plans or  
Period   Shares Purchased     per Share     Programs     Programs  
 
January 1, 2010 — January 31, 2010
        $             5,041,871  
February 1, 2010 — February 28, 2010
        $             5,041,871  
March 1, 2010 — March 31, 2010
        $             5,041,871  
 
                           
Total
        $             5,041,871  
The Corporation’s initial stock repurchase program, which authorized the repurchase of 2.5 million shares of common stock, was announced in a press release dated May 6, 1994, and has been updated as appropriate. The program does not have an expiration date.

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
PART II-OTHER INFORMATION
(Continued)
Item 6. Exhibits.
     
Exhibit    
No.   Document
 
   
31.01
  Certification dated May 4, 2010 of Chief Executive Officer pursuant to Securities and Exchange Act of 1934 rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
 
   
31.02
  Certification dated May 4, 2010 of Chief Financial Officer pursuant to Securities and Exchange Act of 1934 rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
 
   
32.01
  Written Statement dated May 4, 2010 of Chief Executive Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
 
   
32.02
  Written Statement dated May 4, 2010 of Chief Financial Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

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SIGNATURES
Pursuant to the requirements 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.
         
  MARTIN MARIETTA MATERIALS, INC.
(Registrant)
 
 
Date: May 4, 2010  By:   /s/ Anne H. Lloyd    
    Anne H. Lloyd   
    Executive Vice President and
Chief Financial Officer 
 

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MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES
FORM 10-Q
For the Quarter Ended March 31, 2010
EXHIBIT INDEX
     
Exhibit No.   Document
 
   
31.01
  Certification dated May 4, 2010 of Chief Executive Officer pursuant to Securities and Exchange Act of 1934 rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
 
   
31.02
  Certification dated May 4, 2010 of Chief Financial Officer pursuant to Securities and Exchange Act of 1934 rule 13a-14 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
 
   
32.01
  Written Statement dated May 4, 2010 of Chief Executive Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
 
   
32.02
  Written Statement dated May 4, 2010 of Chief Financial Officer required by 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

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