X0306 4 2018-04-05 0 0001474432 Pure Storage, Inc. PSTG 0001651908 Dietzen Scott 650 CASTRO ST MOUNTAIN VIEW CA 94041 1 0 0 0 Class A Common Stock 2018-04-05 4 S 0 8435 20.115 D 163171 D Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs previously reported on a Form 4, pursuant to mandatory "sell to cover" provisions contained in the Reporting Person's RSU Agreement, and does not represent a discretionary sale by the Reporting Person. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.0928 to $20.1201 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Joseph T. FitzGerald, attorney-in-fact 2018-04-09