X0306 4 2020-05-13 0 0001771515 Grocery Outlet Holding Corp. GO 0001779703 Read S. MacGregor Jr. 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 2712 D Common Stock 2307975 I By Trust Common Stock 2307975 I By 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 Nordlingen Trust dated 1/23/2012, as amended and restated 9/17/2014 of which Mr. Read is a Trustee. Reflects shares directly held by the Redmond Trust dated 10/19/2003, as amended and restated 9/17/2014 of which Mr. Read is a Trustee. The reporting person disclaims beneficial ownership of all indirectly held securities except to the extent of his pecuniary interest therein. /s/ Pamela B. Burke, Pamela B. Burke, as Attorney-In-Fact 2020-05-15