Contract

1 SEVERANCE AGREEMENT THIS SEVERANCE AGREEMENT (the “Agreement”) is entered into as April 18, 2021, by and between CarMax, Inc., a Virginia corporation, for itself and on behalf of its subsidiaries and affiliates (hereafter referred to collectively as “CarMax”), and Xxxxxxxx Xxxxxx (hereafter referred to as the “Associate”). WHEREAS, CarMax and the Associate desire to agree upon the terms, conditions, compensation and benefits of the Associate’s employment; WHEREAS, CarMax recognizes that the Associate has developed or will continue to develop an intimate knowledge of and experience with respect to the business of CarMax; WHEREAS, the Associate has developed or will develop and/or has or will come in contact with CarMax’s proprietary and confidential information that is not readily available to the public, and which is of great importance to CarMax and is treated by CarMax as secret and confidential information; and WHEREAS, upon execution of this Agreement, any prior severance or employment agreement, if any, between the Associate and CarMax, whether oral or written, will have no force and effect with respect to the terms and conditions of the Associate’s employment with CarMax and will be replaced and superseded by the terms of this Agreement. NOW, THEREFORE, in consideration of the Associate’s employment and continued employment by CarMax and the mutual covenants and agreements of the parties set forth in this Agreement, and of other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, CarMax and the Associate, intending to be legally bound, agree as follows: Article 1. Term. The Associate’s employment with CarMax shall continue until such time as the Associate’s employment is terminated by either party in accordance with Article 7 of this Agreement or the Associate’s term of employment is extended or shortened by a subsequent written agreement duly executed by the Associate and CarMax. Article 2. Duties and Responsibilities. CarMax shall employ the Associate in the position of Executive Vice President, Chief Information and Technology Officer. The specific duties of such position are set forth in the then-current written job description for such position and are incorporated herein by reference. The Associate acknowledges and agrees to perform those job duties and/or such other job duties that may be assigned to the Associate or required of the Associate by CarMax. In the event that the Associate accepts a new or different position with CarMax or receives a new position title, (i) the Associate acknowledges and agrees to perform such new job duties, if any, as may be

9 8.3 In connection with the Associate’s employment with CarMax, he will receive access to, and training regarding, CarMax’s business concept and will, accordingly, acquire commercially valuable knowledge of and insight into CarMax’s operations and CarMax’s proprietary and confidential information, any of which if made available to any Competitor (as defined below) could place CarMax at a competitive disadvantage. 8.4 In order to protect CarMax’s legitimate business interests from Competitors (as defined below) and to protect CarMax’s critical interest in its proprietary and confidential information, the Associate covenants and agrees as follows: During the Associate’s employment with CarMax and for a period of twenty-four (24) months following the last day of the Associate’s employment (the “Restricted Period”), the Associate will not, directly or indirectly, compete with CarMax by acting “in a competitive capacity” (as defined below), for, or on behalf of, any person or entity operating or developing, during the Restricted Period, a business that provides or intends to provide activities, products or services that are the same or substantially similar to, and competitive with, the business of CarMax as of Associate’s last day of employment with CarMax (each, a “Competitor”) within any Metropolitan Statistical Area (as defined by the United States Office of Management and Budget) in which CarMax has a retail store site as of Associate’s last day of employment. Such Competitors include, but are not limited to: Sonic Automotive, Inc.; Lithia Motors, Inc.; Group 1 Automotive, Inc.; AutoNation, Inc.; Penske Automotive Group, Inc.; Xxxxxx Automotive Group, Inc.; Xxxxxxxx Automotive Group; Auction Direct USA, L.P.; Car Sense Inc.; AutoAmerica, Inc.; Left Gate Property Holding, Inc. d/b/a Texas Direct Auto; Off Lease Only, Inc.; Carvana, LLC; Carvana Group, LLC; AutoMatch USA, LLC; DriveTime Car Sales Company, LLC; DriveTime Automotive Group, Inc.; CarLotz, Inc.; Hertz Global Holdings, Inc.; Enterprise Holdings, Inc.; Avis Budget Group, Inc.; Xxx Automotive, Inc.; Classified Ventures, LLC; TrueCar, Inc.; Xxxxxxx.xxx, Inc.; Dealertrack Technologies, Inc.; Dealer Dot Com, Inc.; CarGurus, LLC; Blinker, Inc.; and Beepi, Inc., and any automotive retail operation affiliated with, owned, operated, or controlled by Berkshire Hathaway Inc.; Home Depot, Inc.; Xxxx’x Companies, Inc.; Target Corporation; Wal-Mart Stores, Inc.; Sears Holdings Corporation; Carrefour S.A.; Costco Wholesale Corporation; Royal Dutch Shell plc; Exxon Mobil Corporation; Chevron Corporation; and/or Gulliver International Co., Ltd. 8.5 A business, including any Competitor, or any of its respective subsidiaries or affiliates, will not be considered to be in competition with CarMax for purposes of Article 8 if the business, or operating unit of the business, or its respective subsidiaries or affiliates, by which the Associate will be or is employed (i) does not have within the twenty-four (24) months preceding the Associate’s termination of employment with CarMax, annual gross revenues (calculated on a rolling 12-month basis) of at least $5,000,000 derived from the sale and servicing of new or used vehicles; or (ii) is not projected (by the business or operating unit of the business) to have within the twenty-four (24) months following the Associate’s termination of employment with CarMax, annual gross revenues (regardless of how calculated) of at least $5,000,000 derived from the sale and servicing of new or used vehicles.

11 Article 10. Confidentiality. The terms and provisions contained in this Article 10 comprise a covenant of confidentiality (the “Covenant of Confidentiality”). The Associate understands and agrees that any and all Protected Information is the property of CarMax and is essential to the protection of CarMax’s goodwill and to the maintenance of CarMax’s competitive position and accordingly should be kept secret. For purposes of this Agreement, “Protected Information” means trade secrets, confidential and proprietary business information of or about CarMax, and any other information of CarMax, including technical data, processes, know-how, financial data, analyses, forecasts, plans, operations information and data, customer lists (including potential customers) and information, marketing plans, materials and information, product and service information, accounts and xxxxxxxx information, sales transaction data, sales documents and information, discoveries, ideas, concepts, designs, drawings, specifications, techniques, models, information systems data and materials, computer software or hardware, data analyses and compilations, source code, object code, documentation, diagrams, flow charts, research, procedures, methods, systems, programs, price lists, pricing policies, supplier and distributor information, sources of supply, internal memoranda, promotional plans, internal policies, purchasing information, operating methods and procedures, training materials, and any products and services which may be developed from time to time by CarMax and its agents or employees, including the Associate; provided, however, that information that is in the public domain (other than as a result of a breach of this Agreement), approved for release by CarMax or lawfully obtained from third parties who are not bound by a confidentiality agreement with CarMax, is not Protected Information. CarMax has advised the Associate and the Associate acknowledges that it is the policy of CarMax to maintain as secret and confidential all Protected Information, and that Protected Information has been and will be developed at substantial cost to and effort by CarMax. The Associate agrees to hold in strict confidence and safeguard any and all Protected Information accessed or accessible by the Associate during the Associate’s employment. The Associate shall not, without the prior written consent of CarMax, at any time, directly or indirectly, divulge, furnish, use, disclose or make accessible to any person, firm, corporation, association, or other entity (otherwise than as may be required in the regular course of the Associate’s employment with CarMax), any Protected Information, or cause any such Protected Information to enter the public domain. Nothing contained in this Article 10 is intended to reduce in any way the protection available to CarMax pursuant to the Uniform Trade Secrets Act as adopted in Virginia or any other state or other applicable laws that prohibit the misuse or disclosure of confidential or proprietary information. Unless lengthened by the application of the Virginia Uniform Trade Secrets Act or other applicable law, the restrictions in Article 10 shall remain in effect during Associate’s employment and for five (5) years thereafter.

14 15.6 Waiver of Rights. No waiver by CarMax or the Associate of a right or remedy hereunder shall be deemed to be a waiver of any other right or remedy or of any subsequent right or remedy of the same kind. 15.7 Restrictive Covenants of the Essence. The Restrictive Covenants in Articles 8, 9 and 10 of the Agreement are of the essence of this Agreement. In the event that the Associate has a claim or cause of action against CarMax (whether related to this Agreement or not), such claim or cause of action, including but not limited to a breach of this Agreement by CarMax, shall not prevent or otherwise constitute a defense to CarMax’s enforcement of the Restrictive Covenants and shall not excuse the Associate’s performance of the Restrictive Covenants. CarMax shall at all times maintain the right to seek enforcement of the Restrictive Covenants whether or not CarMax has previously refrained from seeking enforcement of any such Restrictive Covenant as to the Associate or any other peer Associate who has signed an agreement with similar covenants. 15.8 Definitions: Headings and Numbers; Construction. A term defined in any part of this Agreement shall have the defined meaning wherever such term is used herein. The headings contained in this Agreement are for reference purposes only and shall not affect in any manner the meaning or interpretation of this Agreement. Where appropriate to the context of this Agreement, use of the singular shall be deemed also to refer to the plural, and use of the plural to the singular. This Agreement shall be construed and enforced without any presumption or construction against the party drafting the Agreement. 15.9 Counterparts. This Agreement may be executed in separate counterparts, each of which shall be deemed an original but both of which taken together shall constitute but one and the same instrument. 15.10 Governing Laws and Forum. This Agreement shall be governed by, construed and enforced in accordance with the laws of the Commonwealth of Virginia without regard to conflicts of laws principles thereof. In the event of any litigation between CarMax and Associate related to the enforcement or enforceability of the Restrictive Covenants, the parties agree that the Circuit Court for the County of Henrico, Virginia, shall have mandatory and exclusive jurisdiction and venue of any such action. 15.11 Grants or Options. This Agreement does not affect the terms and conditions controlling, or status of, any stock options or grants of restricted stock which previously have been or later may be awarded to the Associate. Any vested stock options or grants of restricted stock are governed by the terms of the letters by which they were made, which are incorporated herein by reference as if set forth in full in this Agreement. 15.12 No Encumbrances. In entering into this Agreement, the Associate certifies that he possesses the legal capacity to do so, and that his employment with CarMax is not in violation of any other valid agreement. The Associate agrees to hold CarMax harmless from any debts, judgments, or liens that the Associate acquired prior to entering into this Agreement. If the Associate is currently involved in, or becomes involved in, a lawsuit or any other legal proceeding unrelated to CarMax or any of its affiliates, subsidiaries, or

17 EXHIBIT A AGREEMENT AND GENERAL RELEASE This Agreement and General Release (the “Agreement and General Release”), dated as of _______ __, 20__, is made by and between CarMax, Inc., for itself and its affiliates, subsidiaries, divisions, successors and assigns in such capacity, and the current, future and former employees, officers, directors, trustees and agents thereof (collectively referred to throughout this Agreement as the “Company”) and _______________________ (“Associate”), for him/herself and his/her heirs, executors, administrators, successors and assigns (together with Associate, collectively referred to throughout this Agreement and General Release as “Employee”) agree: 1. Last Day of Employment. The Associate’s last day of employment with the Company is ____________, 20__. In addition, effective as of ____________, 20__, the Associate resigns from the Associate’s position as of the Company, and will not be eligible for any benefits or compensation after ____________, 20__, other than as specifically provided in Article 7, as applicable, of the Severance Agreement between the Company and the Associate dated as of __________ __, 20__ (“Severance Agreement”) and the Associate’s continued right, if any, to indemnification and directors and officers liability insurance. In addition, effective as of ____________, 20__, the Associate resigns from all offices, directorships, trusteeships, committee memberships and fiduciary capacities held with, or on behalf of, the Company or any benefit plans of the Company. These resignations will become irrevocable as set forth in Section 3 below. 2. Consideration. The parties acknowledge that this Agreement and General Release is being executed in accordance with Article 7.3 or 7.5 of the Severance Agreement, between the Company and the Associate dated as of __________ __, 20__ (“Severance Agreement”) and that this Agreement and General Release is a condition to the receipt by Employee of all payments and benefits thereunder. 3. Revocation. The Associate may revoke this Agreement and General Release for a period of seven (7) calendar days following the day the Associate executes this Agreement and General Release. Any revocation within this period must be submitted, in writing, to the Company and state, “I hereby revoke my acceptance of our Agreement and General Release.” The revocation must be personally delivered or mailed to the Company’s ___________________________ at the Company’s corporate office, or his/her designee, and, if mailed, postmarked within seven (7) calendar days of execution of this Agreement and General Release. This Agreement and General Release shall not become effective or enforceable until the revocation period has expired. If the last day of the revocation period is a Saturday, Sunday, or legal holiday in Virginia, then the revocation period shall not expire until the next following day that is not a Saturday, Sunday, or legal holiday. 4. General Release of Claims. Employee knowingly and voluntarily releases and forever discharges the Company from any and all claims, rights, causes of action, demands, damages, fees, costs, expenses, including attorneys’ fees, and liabilities of any kind whatsoever, whether known or unknown, against the Company, that Employee has, has ever had or may have as of the date of execution of this Agreement and General Release, including, but not limited to, any alleged violation of:

18 ● The Age Discrimination in Employment Act of 1967, as amended; ● The Older Workers Benefit Protection Act of 1990; ● Title VII of the Civil Rights Act of 1964, as amended; ● The Civil Rights Act of 1991; ● Sections 1981 through 1988 of Title 42 of the United States Code, as amended; ● The Employee Retirement Income Security Act of 1974, as amended; ● The Immigration Reform and Control Act, as amended; ● The Americans with Disabilities Act of 1990, as amended; ● The Worker Adjustment and Retraining Notification Act, as amended; ● The Occupational Safety and Health Act, as amended; ● The Family and Medical Leave Act of 1993; ● All other federal, state or local civil or human rights laws, whistleblower laws, or any other local, state or federal law, regulations and ordinances; ● All public policy, contract, tort, or common laws; and ● All allegations for costs, fees, and other expenses including attorneys’ fees incurred in these matters. Notwithstanding anything herein to the contrary, the sole matters to which the Agreement and General Release do not apply are: (i) Employee’s rights, if any, of indemnification and directors and officers liability insurance coverage to which the Associate was entitled immediately prior to __________ __, 20__ with regard to the Associate’s service as an officer and director of the Company; (ii) Employee’s rights under any tax-qualified pension plan or claims for accrued vested benefits under any other employee benefit plan, policy or arrangement maintained by the Company or under the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended; (iii) Employee’s rights under Article 7.3 or 7.5 of the Severance Agreement, as the case may be; (iv) Employee’s rights as a stockholder of the Company; (v) Employee’s right to file charges or complaints with the Equal Employment Opportunity Commission, the National Labor Relations Board, the Occupational Safety and Health Administration, the Securities and Exchange Commission or any other federal, state or local governmental agency or commission (“Government Agencies”), although Employee waives the Associate’s right to recover any damages or other relief in any claim or suit brought by or through the Government Agencies on behalf of Employee under the Age Discrimination in Employment Act, Title VII of the Civil Rights Act of 1964 as amended, the Americans with Disabilities Act, or any other federal or state discrimination law, except where such waivers are prohibited by law, provided, however, this Agreement and General Release does not limit Employee’s right to receive an award for information provided to any Government Agencies; (vi) Employee’s rights to file charges with the Equal Employment Opportunity Commission, or any government agency concerning claims of discrimination, although Employee waives the Associate’s right to recover any damages or other relief in any claim or suit brought by or through the Equal Employment Opportunity Commission or any other federal, state or local agency on behalf of Employee under the Age Discrimination in Employment Act, Title VII of the Civil Rights Act of 1964 as amended, the Americans with

19 Disabilities Act, or any other federal or state discrimination law, except where such waivers are prohibited by law; and (vii) Employee’s rights that cannot be released by private agreement under applicable law. 5. Affirmations. Employee affirms that the Associate has been paid or has received all compensation, wages, bonuses, commissions, and/or benefits to which the Associate may be entitled and no other compensation, wages, bonuses, commissions and benefits are due to the Associate, except as provided in Article 7.3 or 7.5 of the Severance Agreement, as applicable. The Employee also affirms the Associate has no known workplace injuries. 6. Return of Property. Employee represents that the Associate has returned to the Company all property belonging to the Company, including but not limited to any vehicle, laptop, cell phone, keys, access cards, phone cards and credit cards, and all Protected Information as defined in Article 10 of the Severance Agreement. 7. Cooperation. Employee agrees to reasonably cooperate with the Company to provide truthful and accurate information in connection with any administrative proceeding, arbitration, or litigation relating to any matter that occurred during the Associate’s employment with the Company in which the Associate was involved or of which the Associate has knowledge. Employee further understands that this Agreement and General Release does not limit Employee’s ability to communicate with any Government Agencies or otherwise participate in any investigation or proceeding that may be conducted by any Government Agency, including providing documents or other information, without notice to the Company. 8. Governing Law and Interpretation. This Agreement and General Release shall be governed and construed in accordance with the laws of the Commonwealth of Virginia, without reference to Virginia’s choice of law statutes or decisions. In the event Employee or the Company breaches any provision of this Agreement and General Release, Employee and the Company acknowledge that either may institute an action to specifically enforce any term or terms of this Agreement and General Release pursuant to the dispute resolution provisions of Article 14 of the Severance Agreement. Should any provision of this Agreement and General Release be declared illegal or unenforceable by any court of competent jurisdiction and should the provision be incapable of being modified to be enforceable, such provision shall immediately become null and void, leaving the remainder of this Agreement and General Release in full force and effect. Nothing herein, however, shall operate to void or nullify any enforceable general release language contained in this Agreement and General Release. 9. No Admission of Wrongdoing. Employee agrees neither this Agreement and General Release nor the furnishing of the consideration for this Agreement and General Release shall be deemed or construed at any time for any purpose as an admission by the Company of any liability or unlawful conduct of any kind. 10. Amendment. This Agreement and General Release may not be modified, altered or changed except upon express written consent of both parties wherein specific reference is made to this Agreement and General Release.