BOOT · Boot Barn Holdings, Inc.

Consists of the total number of shares of common stock held directly by the reporting person as of May 26, 2026, excluding any shares of common stock subject to further vesting conditions.

On May 20, 2026, in connection with the vesting of the PSUs referred to above, the issuer withheld 6,892 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $142.27 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 20, 2026, in connection with the vesting of the PSUs referred to above, the issuer withheld 6,892 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $142.27 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Represents shares acquired by the reporting person through vesting upon the achievement of performance measures under performance share units ("PSUs") granted on May 19, 2023 under Boot Barn Holdings, Inc.'s 2020 Equity Incentive Plan. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 20, 2026, in connection with the vesting of the PSUs referred to above, the issuer withheld 6,892 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $142.27 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Represents shares acquired by the reporting person through vesting upon the achievement of performance measures under performance share units ("PSUs") granted on May 19, 2023 under Boot Barn Holdings, Inc.'s 2020 Equity Incentive Plan. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Represents shares acquired by the reporting person through vesting upon the achievement of performance measures under performance share units ("PSUs") granted on May 19, 2023 under Boot Barn Holdings, Inc.'s 2020 Equity Incentive Plan. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 20, 2026, in connection with the vesting of the PSUs referred to above, the issuer withheld 5,330 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $142.27 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Represents shares acquired by the reporting person through vesting upon the achievement of performance measures under performance share units ("PSUs") granted on May 19, 2023 under Boot Barn Holdings, Inc.'s 2020 Equity Incentive Plan. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 20, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2026, in connection with the vesting of shares underlying 2,058 previously disclosed restricted stock units, the issuer withheld 810 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.54 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2026, in connection with the vesting of shares underlying 2,058 previously disclosed restricted stock units, the issuer withheld 1,048 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.54 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2026, in connection with the vesting of shares underlying 2,058 previously disclosed restricted stock units, the issuer withheld 1,048 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.54 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 19, 2027.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 18, 2026 that remain subject to time-based vesting.

On May 16, 2026, in connection with the vesting of shares underlying 6,003 previously disclosed restricted stock units, the issuer withheld 3,055 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.09 per share, the closing price of the common stock on the first trading day following the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 16, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 16, 2026, in connection with the vesting of shares underlying 745 previously disclosed restricted stock units, the issuer withheld 268 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.09 per share, the closing price of the common stock on the first trading day following the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 16, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 16, 2026, in connection with the vesting of shares underlying 2,866 previously disclosed restricted stock units, the issuer withheld 893 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.09 per share, the closing price of the common stock on the first trading day following the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 16, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 16, 2026, in connection with the vesting of shares underlying 2,866 previously disclosed restricted stock units, the issuer withheld 1,233 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $141.09 per share, the closing price of the common stock on the first trading day following the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 16, 2026, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Consists of the total number of shares of common stock held directly by the reporting person as of February 25, 2026, excluding any shares of common stock subject to further vesting conditions or deferred delivery.

These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 25, 2025.

Consists of the total number of shares of common stock held directly by the reporting person as of December 1, 2025, excluding any shares of common stock subject to further vesting conditions.

On November 20, 2025, the reporting person made a charitable gift of 2,000 shares.

Amount of securities beneficially owned consists of the number of shares of common stock held indirectly by the reporting person as of November 3, 2025, excluding any shares of common stock subject to further vesting conditions or deferred delivery.

By Peter Starrett as trustee of The Starrett Family Trust, dated April 11, 1999.

On November 3, 2025, in connection with the vesting of shares underlying 346 previously disclosed restricted stock units, the issuer withheld 176 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $191.17 per share, the closing price of the common stock on the vesting date.

Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of November 3, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Reflects the weighted average price of sales on August 26, 2025. The shares were sold in multiple transactions at prices ranging from $172.00 to $172.46, inclusive. The reporting person undertakes to provide to Boot Barn Holdings, Inc., any security holder of Boot Barn Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Consists of the total number of shares of common stock held directly by the reporting person as of August 21, 2025, excluding any shares of common stock subject to further vesting conditions or deferred delivery.

Reflects the weighted average price of sales on May 23, 2025. The shares were sold in multiple transactions at prices ranging from $154.49 to $155.44, inclusive. The reporting person undertakes to provide to Boot Barn Holdings, Inc., any security holder of Boot Barn Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Reflects the weighted average price of sales on May 23, 2025. The shares were sold in multiple transactions at prices ranging from $155.53 to $155.83, inclusive. The reporting person undertakes to provide to Boot Barn Holdings, Inc., any security holder of Boot Barn Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

Reflects the weighted average price of sales on May 22, 2025. The shares were sold in multiple transactions at prices ranging from $160.55 to $160.95, inclusive. The reporting person undertakes to provide to Boot Barn Holdings, Inc., any security holder of Boot Barn Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

On May 19, 2025, in connection with the vesting of shares underlying 2,059 previously disclosed restricted stock units, the issuer withheld 737 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $160.94 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2025, in connection with the vesting of shares underlying 2,059 previously disclosed restricted stock units, the issuer withheld 502 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $160.94 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2025, in connection with the vesting of shares underlying 2,059 previously disclosed restricted stock units, the issuer withheld 737 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $160.94 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

On May 19, 2025, in connection with the vesting of shares underlying 2,059 previously disclosed restricted stock units, the issuer withheld 1,046 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $160.94 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 19, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 17, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 17, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting over a three-year period in equal annual installments on each anniversary of the grant date.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 17, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

On May 16, 2025, in connection with the vesting of shares underlying 1,642 previously disclosed restricted stock units, the issuer withheld 834 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $156.71 per share, the closing price of the common stock on the vesting date. Amount of securities beneficially owned consists of the number of shares of common stock held by the reporting person as of May 16, 2025, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 17, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, which will cliff vest on November 22, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.

Consists of shares underlying restricted stock units granted under the Boot Barn Holdings, Inc. 2020 Equity Incentive Plan, subject to vesting on May 17, 2026.

Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of May 16, 2025 that remain subject to time-based vesting.