X0306 4 2020-05-13 0 0001771515 Grocery Outlet Holding Corp. GO 0001779737 Alterman Kenneth W. C/O GROCERY OUTLET HOLDING CORP. 5650 HOLLIS STREET EMERYVILLE CA 94608 1 0 0 0 Common Stock 2020-05-13 4 A 0 2712 0.00 A 25897 D Common Stock 39592 I Held through Alterman Revocable Trust Represents 2,712 restricted stock units granted to the reporting person which are scheduled to vest on March 1, 2021, subject to the continued service of the reporting person through such vesting date. Reflects shares directly held by the Alterman Revocable Trust of which Mr. Alterman is a Trustee. /s/ Pamela B. Burke, Pamela B. Burke, as Attorney-in-Fact 2020-05-15