X0306 4 2021-06-15 0 0001474432 Pure Storage, Inc. PSTG 0001651908 Dietzen Scott C/O PURE STORAGE, INC. 650 CASTRO ST, SUITE 400 MOUNTAIN VIEW CA 94041 1 0 0 0 Class A Common Stock 2021-06-15 4 A 0 12637 0.00 A 87737 D Class A Common Stock 2021-02-26 5 J 0 E 375000 0.00 D 0 I By GRAT Class A Common Stock 2021-02-26 5 J 0 E 375000 0.00 D 0 I By GRAT Class A Common Stock 2021-02-26 5 J 0 E 750000 0.00 A 1718456 I By Trust Class A Common Stock 347000 I By Trust The shares of Class A Common Stock are to be acquired upon the vesting of a Restricted Stock Unit award granted to the Reporting Person. 100% of the shares subject to the Restricted Stock Unit award will vest on June 15, 2022, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2015 Equity Incentive Plan) on the vesting date, and provided that if the Reporting Person voluntarily resigns as a Director, then the shares subject to the Restricted Stock Unit award will vest as of the effective date of the resignation as to 1/365 of the shares subject to the award multiplied by the number of days of the Reporting Person's service between the date of grant and the effective date of the resignation. The Restricted Stock Unit award shall be subject to accelerated vesting as follows: In the event of a Change in Control or a Corporate Transaction (each, as defined in the Issuer's 2015 Equity Incentive Plan), the shares subject to the Restricted Stock Unit award will fully vest as of immediately prior to the effective time of such Change in Control or Corporate Transaction, subject to the Reporting Person's Continuous Service on the effective date of such Change in Control or Corporate Transaction. Substitution of assets between The Scott Dietzen 2020 GRAT DTD 04/14/2020 and the Dietzen Living Trust, dated January 16, 2009. Scott Dietzen TTEE The Scott Dietzen 2020 GRAT DTD 04/14/2020 Substitution of assets between The Katherine Dietzen 2020 GRAT DTD 04/14/2020 and the Dietzen Living Trust, dated January 16, 2009. Katherine Dietzen TTEE The Katherine Dietzen 2020 GRAT DTD 04/14/2020 Substitution of assets between The Scott Dietzen 2020 GRAT DTD 04/14/2020, The Katherine Dietzen 2020 GRAT DTD 04/14/2020, and the Dietzen Living Trust, dated January 16, 2009. Shares are held by Scott Dietzen and Katherine Dietzen, Co-Trustees of the Dietzen Living Trust, dated January 16, 2009. Shares are held by JP Morgan Trust Company of Delaware, as Trustee of the Dietzen Family Irrevocable Trust GST Exempt Trust under agreement dated March 25, 2014. /s/ Todd Wheeler, attorney-in-fact 2021-06-17