X0306 4 2021-03-05 0001628063 Seritage Growth Properties SRG 0001327762 Lombard Kenneth T 500 FIFTH AVENUE, SUITE 1530 NEW YORK NY 10110 true EVP, Chief Operating Officer Class A Common Shares 2021-03-05 4 A 0 5510 0 A 15769 D Class A Common Shares 2021-03-05 4 A 0 11002 0 A 26771 D Represents Restricted Share Units earned under the terms of a retention performance award previously granted to the reporting person under the Seritage Growth Properties 2015 Share Plan on May 2, 2018 and covering the performance period January 1, 2018 to December 31, 2020. Such number of Restricted Share Units is based on the determination by the compensation committee of the board of trustees of the issuer of the applicable level of performance achievement. These Restricted Share Units vest on May 2, 2021 and will be settled within 30 days thereafter. Represents grants of Restricted Share Units awarded under the Seritage Growth Properties 2015 Share Plan on March 5, 2021 based on a per share grant date value of $21.47. Each of these awards will vest in substantially equal installments on the anniversaries of the date of grant in 2022, 2023 and 2024. Includes 21,114 unvested RSUs, as of the date of this filing, after taking into account the transaction reported herein. /s/ Matthew E. Fernand, as attorney-in-fact 2021-03-09