Item Number Item Name Comment Item 3(a)(1) Asset Number Type Throughout the Asset Data File and in this Asset Related Document, "CBS" refers to CarMax Business Services, LLC, the Sponsor and Servicer of this securitization transaction. CBS, as Servicer, maintains the Asset Number (Item 3(a)(2)) for each Receivable. Item 3(c)(1) Originator Each Receivable was underwritten by CBS, the sponsor of the transaction. The Receivables are originated by affiliates of CBS, each a wholly-owned subsidiary of CarMax, Inc. Item 3(c)(3) Original Loan Amount This item represents the amount financed on the Receivable, including the purchase price for the related Financed Vehicle (less any cash down payment or trade-in credit), any accessories purchased by the obligor, any amounts paid under extended service plans or guaranteed asset protection (GAP) waiver agreements, and any taxes and fees assessed in connection with the purchase of the Financed Vehicle. Item 3(c)(4) Original Loan Term This item represents the number of calendar months between the month of the Origination Date (Item 3(c)(2)) and the month of the original maturity date. In the prospectus, original term is calculated as the number of scheduled monthly payments for the Receivable. The Original Loan Term as disclosed in the Asset Data File may be up to two months more than the number of scheduled monthly payments under the Receivable due to the timing of the Origination Date and the Original First Payment Date (Item 3(c)(10)) within the respective months. Item 3(c)(9) Original Interest-only Term This item is omitted as inapplicable to the pool of Receivables as no receivables originated by CBS feature an interest-only period. Item 3(c)(11) Underwriting Indicator As described in the prospectus, all Receivables originated by CBS under its Primary Underwriting Program are originated using a single level of underwriting criteria. Item 3(c)(12) Grace Period This item represents the number of calendar months between the month of the Origination Date (Item 3(c)(2)) and the month of the Original First Payment Date (Item 3(c)(10)). Item 3(d)(1) Vehicle Manufacturer This item represents the vehicle make of the Financed Vehicle, as maintained in the records of CBS or its affiliate. Item 3(d)(2) Vehicle Model This item represents the vehicle model of the Financed Vehicle, as maintained in the records of CBS or its affiliate. Item 3(d)(5) Vehicle Type This item represents CBS' determination and may be considered a different vehicle type by the vehicle manufacturer and others. A response of "98" for this item means the vehicle type is not a car, truck, SUV or motorcycle (for example, minivans or other vans). Item 3(d)(6) Vehicle Value This item represents the sales price of the Financed Vehicle, excluding taxes, fees, and any amounts paid for extended service plan, guaranteed asset protection (GAP) waiver agreements. Item 3(d)(7) Source of Vehicle Value For each Receivable, a response of "98" for this item means that the source of Vehicle Value (Item 3(d)(6)) is the sales price of the Financed Vehicle, as noted above. Item 3(e)(1) Obligor Credit Score Type A response of "Bureau" for this item means a credit score type obtained by CBS from a national consumer reporting company, which may include FICO(R) Auto Enhanced v8 scores. FICO(R) is a federally registered servicemark of Fair Isaac Corporation. Item 3(e)(2) Obligor Credit Score For Receivables with a co-obligor present (signified by a response of true for Co-Obligor Indicator, Item 3(e)(5)) and whose obligor and co-obligor had a credit score at origination, this item represents the average of the credit scores. For Receivables with a co-obligor and whose obligor did not have a credit score at origination, this item represents the co-obligor's credit score. "NONE" represents Receivables whose obligor (and, if present, co-obligor) did not have a credit score at origination. Item 3(e)(3) Obligor Income Verification Level A response of "2" for this item means that the related obligor was not asked for additional verification of the income information reported on the credit application. A response of "3" for this item means that the related obligor was asked to provide additional verification of the income reported on the credit application. Item 3(e)(4) Obligor Employment Verification A response of "2" for this item means that the related obligor was not asked for additional verification of the employment information reported on the credit application, or that additional verification of such employment information was requested but that no direct, independent verification with a third party was conducted. Item 3(e)(6) Payment-to-Income Ratio This item represents the ratio of the monthly payment at origination, as indicated on the retail installment contract, to the applicable monthly income information reported by the obligor on the credit application that CarMax includes for purposes of such ratio in accordance with its customary underwriting practices. Item 3(e)(7) Geographic Location of Obligor This item represents the state of the obligor's current address as maintained by CBS, as Servicer. Item 3(f)(1) Asset Added Indicator This item will be omitted unless the Receivable was added to the pool after the closing date of the transaction. Item 3(f)(2) Remaining Term to Maturity This item represents the number of calendar months between the month of the Reporting Period End Date (Item 3(b)(2)) and the month of the Loan Maturity Date (Item 3(c)(5)). This item will be omitted for Receivables that have prepaid, matured, charged off, or are otherwise no longer outstanding. Item 3(f)(3) Modification Indicator - Reporting Period This item will be reported as true if a modification was made during the reporting period to a material term of the Receivable. Item 3(f)(6) Next Reporting Period Payment Amount Due This item represents the total amount of interest and principal due in the next reporting period. This amount does include past due amounts, but does not include any additional fees that may be owed on the Receivable. Item 3(f)(10) Servicing Fee - Flat-fee This item is omitted as the servicing fee for this transaction is based solely on a percentage of the outstanding principal balance. Item 3(f)(11) Other Loan-level Servicing Fee(s) Retained by Servicer This item is omitted as inapplicable to this transaction. Item 3(f)(13) Scheduled Interest Amount This item represents the calculated monthly interest amount due based on the Receivable's initial amortization schedule, which assumes that the obligor pays all amounts due on each due date. This item is not affected by actual payment activity of the obligor or by any other servicing activity. Item 3(f)(14) Scheduled Principal Amount This item represents the calculated monthly principal amount due based on the Receivable's initial amortization schedule, which assumes that the obligor pays all amounts due on each due date. This item is not affected by actual payment activity of the obligor or by any other servicing activity. Item 3(f)(15) Other Principal Adjustment This item is calculated as the change in principal balance during the reporting period (Reporting Period Beginning Loan Balance (Item 3(f)(5)) minus Reporting Period Ending Actual Balance (Item 3(f)(16)), minus Actual Principal Collected (Item 3(f)(20)), minus Charged-off Principal Amount (Item 3(i)(1)). Following the conversion of CarMax Auto Finance servicing systems in October 2021, this item only includes net increases to the principal balance of the Receivable during the reporting period, which is represented as a negative number. These increases are primarily either returned principal payments including, for example, amounts related to returns of check payments for non-sufficient funds, or, principal that has been re-instated for Receivables that had previously been charged off. Any net activity that reduces the principal balance of the Receivable is reported in Actual Principal Collected. Item 3(f)(17) Reporting Period Scheduled Payment Amount This item is calculated as the sum of Scheduled Interest Amount (Item 3(f)(13)) and Scheduled Principal Amount (Item 3(f)(14)). Item 3(f)(18) Total Actual Amount Paid This item represents amounts paid by the obligor or from any other source actually paid to the Servicer while the receivable is not charged off during the reporting period, less any reversals of payments (including, for example, returns of check payments for non-sufficient funds). If reversals of payments posted during the reporting period exceed amounts paid during the period, this item is reported as zero. Item 3(f)(19) Actual Interest Collected This item represents amounts received as interest by the Servicer during the reporting period, less any reversals of interest amounts (including, for example, amounts related to returns of check payments for non-sufficient funds). If reversals of interest amounts posted during the reporting period exceed amounts received as interest during the period, this item is reported as zero. Item 3(f)(20) Actual Principal Collected This item represents amounts received as principal by the Servicer during the reporting period, less certain reversals of principal amounts. If reversals of principal amounts posted during the reporting period exceed amounts received as principal during the period, this item is reported as zero. Following the conversion of CarMax Auto Finance servicing systems in October 2021, this item also includes certain non-cash reductions to the principal balance, including, for example, reductions in principal due to bankruptcy proceedings. Item 3(f)(21) Actual Other Amounts Collected This item represents amounts received by the Servicer during the period that are not interest or principal payments, less any reversals of such amounts (including, for example, returns of check payments for non-sufficient funds). If reversals of other amounts posted during the reporting period exceed such other amounts received during the period, this item is reported as zero. Item 3(f)(22) Servicer Advanced Amount This item will be omitted if no servicer advances were made during the reporting period. Item 3(f)(23) Interest Paid Through Date This item represents the effective date of the obligor's last payment. If no payment has been made by the obligor, this item will be omitted or will be reported as the Origination Date (Item 3(c)(2)). Item 3(g)(1) Primary Loan Servicer A response of "CBS" for this item indicates that CarMax Business Services, LLC, services the Receivable. Item 3(g)(2) Most Recent Servicing Transfer Received Date This item will be omitted if no servicing transfer has applied to the Receivable. Item 3(i)(1) Charged Off Principal Amount This item represents the amount of uncollected principal charged off during the reporting period. Item 3(i)(2) Recovered Amount This item represents amounts received after a loan was previously charged off. If reversals of amounts received after charge off posted during the reporting period exceed such amounts received during the period, this item is reported as zero. Item 3(k) Repossessed Indicator A response of true for this item means that the related Financed Vehicle has been repossessed and the account has not been reinstated. Item 3(k)(1) Repossessed Proceeds Amount This item represents the amount collected upon disposition of the repossessed Finance Vehicle, less fees and expenses.