X0306 4 2019-03-25 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 2019-03-22 5 G 0 E 2407 0.00 D 121026 D Class A Common Stock 2019-03-22 5 G 0 E 2407 0.00 A 3916056 I By Trust Class A Common Stock 2019-03-25 4 S 0 300000 20.4574 D 3616056 I By Trust Class A Common Stock 2019-03-25 4 S 0 100000 20.4525 D 800000 I By Trust Shares are held by Scott Dietzen and Katherine Dietzen, Co-Trustees of the Dietzen Living Trust, dated January 16, 2009. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.27 to $20.635 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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.2825 to $20.61 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. 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/ Joseph T. FitzGerald, attorney-in-fact 2019-03-27