X0306 4 2021-03-05 0001628063 Seritage Growth Properties SRG 0001851284 Galvin Andrew SERITAGE GROWTH PROPERTIES 500 FIFTH AVENUE, SUITE 1530 NEW YORK NY 10110 true EVP of Investments Class A Common Shares 2021-03-05 4 A 0 1602 0 A 4572 D Class A Common Shares 2021-03-05 4 A 0 7998 0 A 12570 D Class A Common Shares 2021-03-16 4 F 0 1094 20.73 D 11476 D Class A Common Shares 2021-03-16 4 F 0 145 23.16 D 11331 D Represents Restricted Share Units ("RSUs") earned under the terms of an annual performance award previously granted to the reporting person under the Seritage Growth Properties 2015 Share Plan on March 2, 2018 covering the performance period January 1, 2018 to December 31, 2020. Such number of RSUs 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 RSUs vested on March 5, 2021, when the performance determination was approved, and were settled on March 16, 2021. Represents grants of RSUs 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. Represents shares withheld by the issuer to cover tax obligations of the reporting person in connection with the settlement of time-based and performance-based RSUs. Includes 9,184 unvested RSUs, as of the date of this filing, after taking into account the transactions reported herein. /s/ Matthew E. Fernand, as attorney-in-fact 2021-03-18