CARMAX, INC.

ANNUAL MEETING OF SHAREHOLDERS OFCARMAX, INC.June 23, 2009PROXY VOTING INSTRUCTIONSINTERNET - Access “www.voteproxy.com” and follow theon-screen instructions. Have this proxy card available when youaccess the web page, and use the Control Number shown on theproxy card.TELEPHONE - Call toll-free 1-800-PROXIES (1-800-776-9437) inthe United States or 1-718-921-8500 from foreign countries from anytouch-tone telephone and follow the instructions. Have this proxycard available when you call and use the Control Number shown onthe proxy card.Vote online or by phone until 11:59 PM EDT the day before themeeting.MAIL - Sign, date and mail your proxy card in the envelopeprovided as soon as possible.IN PERSON - You may vote your shares in person by attendingthe Annual Meeting.COMPANY NUMBERACCOUNT NUMBERCoCONTROL NUMBERnNOTICE OF INTERNET AVAILABILITY OF PROXY MATERIALS: The Notice of 2009 Annual Meeting of Shareholdersand Proxy Statement and the Annual Report on Form 10-K are available at - www.carmaxproxy.comPlease detach along perforated line and mail in the envelope provided IF you are not voting via telephone or the Internet.--------------- ----------------20433300000000000000 9 062309THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" THE ELECTION OF DIRECTORS AND "FOR" PROPOSALS 2, 3 AND 4.PLEASE SIGN, DATE AND RETURN PROMPTLY IN THE ENCLOSED ENVELOPE. PLEASE MARK YOUR VOTE IN BLUE OR BLACK INK AS SHOWN HEREx1. Election of Directors for terms stated in the Proxy Statement:FOR ALL NOMINEESWITHHOLD AUTHORITYFOR ALL NOMINEESFOR ALL EXCEPT(See instructions below)NOMINEES:O Jeffrey E. GartenO Vivian M. StephensonO Beth A. StewartO William R. TiefelFOR AGAINST ABSTAIN2. Ratification of the selection of KPMG LLP as IndependentRegistered Public Accounting Firm.3. Approval of the amendment of the CarMax, Inc. Amended andRestated 2002 Stock Incentive Plan.4. Approval of the amendment of the CarMax, Inc. Amended andRestated 2002 Employee Stock Purchase Plan.In their discretion, the named proxies are authorized to vote upon such otherbusiness as may properly come before the Annual Meeting. This proxy whenproperly executed will be voted as directed herein by the undersigned shareholder. Ifno direction is made, this proxy will be voted FOR ALL NOMINEES in Proposal1 and FOR Proposals 2, 3 and 4.INSTRUCTIONS: To withhold authority to vote for any individual nominee(s), mark “FOR ALL EXCEPT”and fill in the circle next to each nominee you wish to withhold, as shown here:JOHN SMITH1234 MAIN STREETAPT. 203NEW YORK, NY 10038To change the address on your account, please check the box at right andindicate your new address in the address space above. Please note thatchanges to the registered name(s) on the account may not be submitted viathis method.Signature of Shareholder Date: Signature of Shareholder Date:Note:Please sign exactly as your name or names appear on this Proxy. When shares are held jointly, each holder should sign. When signing as executor, administrator, attorney, trustee or guardian, please give fulltitle as such. If the signer is a corporation, please sign full corporate name by duly authorized officer, giving full title as such. If signer is a partnership, please sign in partnership name by authorized person.

--------------- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ----------------0CARMAX, INC.Proxy for Annual Meeting of Shareholders on June 23, 2009Solicited on Behalf of the Board of DirectorsAs an alternative to completing this form, you may enter your vote instruction by telephoneat 1-800-PROXIES, or via the Internet at WWW.VOTEPROXY.COM and follow the simpleinstructions. Use the Control Number shown on your proxy card.The undersigned hereby appoints Keith Browning and Kim Orcutt (the “named proxies”),and each of them, with full power of substitution and power to act alone, as proxies to voteall the shares of CarMax, Inc. Common Stock which the undersigned would be entitled tovote if personally present and acting at the Annual Meeting of Shareholders of CarMax, Inc.,to be held at 9:00 a.m. EDT June 23, 2009, at the Richmond Marriott West Hotel, 4240Dominion Boulevard, Glen Allen, Virginia 23060, and at any adjournments or postponementsthereof, as follows:(Continued and to be signed on the reverse side.)14475