X0306 4 2018-12-04 0 0001474432 Pure Storage, Inc. PSTG 0001589849 Sands Anita M C/O PURE STORAGE, INC. 650 CASTRO ST MOUNTAIN VIEW CA 94041 1 0 0 0 Class A Common Stock 10380 D Stock Option (right to buy) 18.16 2018-12-04 4 J 0 198000 0.00 D 2025-07-21 Class B Common Stock 198000 0 D Stock Option (right to buy) 18.16 2018-12-04 4 J 0 198000 0.00 A 2025-07-21 Class A Common Stock 198000 198000 D Stock Option (right to buy) 14.32 2026-04-22 Class A Common Stock 20000 20000 D On December 4, 2018, the Issuer's outstanding shares of Class B Common Stock ceased to represent at least 10% of all outstanding shares of Class A Common Stock and Class B Common Stock. As a result, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation. In connection with the automatic conversion described in footnote (1), outstanding Class B Common Stock options that were issued under the Issuer's 2009 Equity Incentive Plan remain unchanged, except that the underlying shares are now Class A Common Stock. 5,000 shares vest in equal monthly installments one month from 7/22/2015 over three years. 3,333.33 shares vest in equal monthly installments one month from 7/22/2018 over the next three years. The option shall be subject to accelerated vesting as set forth in optionee's employment agreement with the Issuer. The shares subject to this option are early exercisable, subject to the Issuer's right of repurchase. This option is fully vested. /s/ Joseph T. FitzGerald, attorney-in-fact 2018-12-07