X0306 4 2018-04-26 0 0001474432 Pure Storage, Inc. PSTG 0001651908 Dietzen Scott 650 CASTRO ST MOUNTAIN VIEW CA 94041 1 0 0 0 Class A Common Stock 2018-04-26 4 C 0 125000 A 125000 I By Trust Class A Common Stock 2018-04-26 4 S 0 125000 20.6356 D 0 I By Trust Class B Common Stock 2018-04-26 4 C 0 125000 0.00 D Class A Common Stock 125000 5181083 I By Trust This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of the Reporting Person. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, (ii) the affirmative vote of the holders of Class B Common Stock representing not less than a majority of the outstanding shares of Class B Common Stock, or (iii) October 6, 2025. 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 $20.28 to $20.76 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 2018-04-30