X0306 4 2020-06-09 0 0001610250 Boot Barn Holdings, Inc. BOOT 0001623311 Grijalva Laurie Marie C/O BOOT BARN HOLDINGS, INC. 15345 BARRANCA PKWY IRVINE CA 92618 0 1 0 0 Chief Merchandise Officer Common Stock 2020-06-09 4 F 0 132 26.58 D 4243 D Common Stock 14699 D On June 9, 2020, in connection with the vesting of shares underlying 381 previously disclosed restricted stock units, the issuer withheld 132 shares of common stock to satisfy withholding taxes due in connection with such vesting. Such shares had a market value of $26.58 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 June 9, 2020, including the shares awarded in connection with such vesting, but excluding any shares of common stock subject to further vesting conditions. See Note 2 below. Consists of the total number of shares of common stock underlying restricted stock units held by the reporting person as of June 9, 2020 that remain subject to time-based vesting. /s/ Laurie Marie Grijalva 2020-06-10