¨    Confidential, for Use of the Commission Only

        (as permitted by Rule 14a-6(e)(2))

Easy Online Access — A Convenient Way to View Proxy Materials and Vote

When you go online to view materials, you can also vote your shares.

Step 1: Go to www.envisionreports.com/WDFC to view the materials.

Step 2: Click on Cast Your Vote or Request Materials.

Step 3: Follow the instructions on the screen to log in.

Step 4: Make your selection as instructed on each screen to select delivery preferences and vote.

Directions to the WD-40 Company 2011 Annual Meeting

University of San Diego

JOAN B. KROC INSTITUTE FOR PEACE & JUSTICE

5998 Alcalá Park, San Diego, CA 92110

Operations/Events Office 619-260-7808

DRIVING DIRECTIONS

CAMPUS MAP http://www.sandiego.edu/maps/

From the North (Los Angeles, La Jolla)

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Here’s how to order a copy of the proxy materials and select a future delivery preference:

Paper copies: Current and future paper delivery requests can be submitted via the telephone, Internet or email options below.

Email copies: Current and future email delivery requests must be submitted via the Internet following the instructions below.

If you request an email copy of current materials you will receive an email with a link to the materials.

PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a set of proxy materials.

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Internet – Go to www.envisionreports.com/WDFC. Click Cast Your Vote or Request Materials. Follow the instructions to log in and order a paper or email copy of the current meeting materials and submit your preference for email or paper delivery of future meeting materials.

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Telephone – Call us free of charge at 1-866-641-4276 using a touch-tone phone and follow the instructions to log in and order a paper copy of the materials by mail for the current meeting. You can also submit a preference to receive a paper copy for future meetings.

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Email – Send email to investorvote@computershare.com with “Proxy Materials WD-40 Company” in the subject line. Include in the message your full name and address, plus the number located in the shaded bar on the reverse, and state in the email that you want a paper copy of current meeting materials. You can also state your preference to receive a paper copy for future meetings.

To facilitate timely delivery, all requests for a paper copy of the proxy materials must be received by December 2, 2011.

Meeting Information

Meeting Type: Annual Meeting

For holders as of: October 17, 2011

Date: December 13, 2011     Time: 2:00 PM PST

Location: Institute Peace & Justice Bldg

         University of San Diego

         5998 Alcala Park

         San Diego, California 92110

You are receiving this communication because you hold shares in the above named company.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

Proxy Materials Available to VIEW or RECEIVE:

1. Combined Document

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

1) BY INTERNET:

2) BY TELEPHONE:

3) BY E-MAIL*:

*  If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow         (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before November 29, 2011 to facilitate timely delivery.

— How To Vote —

Please Choose One of the Following Voting Methods

Vote In Person: If you choose to vote these shares in person at the meeting, you must request a “legal proxy.” To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form.

The Board of Directors recommends that you

vote FOR the following:

1.     Election of Directors

01    G.H. Bateman            02    P.D. Bewley                03    R.A. Collato                04    M.L. Crivello                05    L.A. Lang

06    G.O. Ridge                 07    G. A. Sandfort             08    N.E. Schmale

2      Advisory Vote on Executive Compensation

The Board of Directors recommends you vote 1 YEAR on the following proposal:

3      To recommend, by non-binding vote, the frequency of executive compensation votes.

The Board of Directors recommends you vote FOR the following proposal(s):

4      To ratify the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public

        accounting firm for the fiscal year 2012.

NOTE:  Such other business as may properly come before the meeting or any adjournment thereof.