X0508 4 2025-11-07 0 0001771515 Grocery Outlet Holding Corp. GO 0001779980 Wilson Steven K. C/O GROCERY OUTLET HOLDING CORP. 5650 HOLLIS STREET EMERYVILLE CA 94608 0 1 0 0 EVP, Chief Purchasing Officer 0 Common Stock 2025-11-07 4 S 0 25000 12.53 D 116923 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.45 to $12.62, inclusive. The reporting person undertakes to provide to Grocery Outlet Holding Corp. (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 ranges set forth in this footnote. /s/ Luke D. Thompson, Luke D. Thompson, Attorney-in-Fact 2025-11-10