Power of Attorney Filing for Grocery Outlet Holding Corp.

This filing details a Power of Attorney granted by Felicia D. Thornton, a director of Grocery Outlet Holding Corp., to a group of individuals including Aisha Barbeau, Christopher Miller, Luke Thompson, Susan Leary, Willie James Villon, Sean Chapin, and Sumana Suddhiprakarn. The appointed attorneys-in-fact are authorized to act on behalf of Ms. Thornton in all capacities related to the company, specifically for submitting and filing necessary forms, schedules, and documents with the U.S. Securities and Exchange Commission (SEC) using the EDGAR system. This includes preparing and executing forms such as Form ID, Forms 3, 4, and 5, Schedules 13D and 13G, and Forms 144, as required under the Securities Exchange Act of 1934 and the Securities Act of 1933. The attorneys-in-fact are also empowered to manage the undersigned's EDGAR account, including appointing administrators and maintaining account security. Furthermore, they can obtain information regarding transactions in the company's equity securities from third parties on behalf of the undersigned. The Power of Attorney remains in effect until Ms. Thornton is no longer required to file SEC documents related to her holdings in the company's securities, unless revoked earlier. This document revokes all previous powers of attorney concerning the same subject matter.