X0306 4 2021-03-17 0 0001628063 Seritage Growth Properties SRG 0001183200 LAMPERT EDWARD S 1170 KANE CONCOURSE, SUITE 200 BAY HARBOR ISLANDS FL 33154 0 0 0 1 Trustee Class A Common Shares 2021-03-17 4 S 0 24256 22.35 D 1838653 D Class A Common Shares 2021-03-18 4 S 0 50723 22.12 D 1787930 D Class A Common Shares 2021-03-19 4 S 0 67493 21.17 D 1720437 D This price represents the approximate weighted average price per share of Class A common shares of beneficial interest of Seritage Growth Properties (the "Issuer"), par value $0.01 per share ("Class A Shares"), of sales that were executed at prices ranging from $22.30 to $22.52 per Class A Share. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the price per Class A Share and the number of Class A Shares sold at each price. This statement is filed by and on behalf of Edward S. Lampert. Mr. Lampert is the direct beneficial owner of the securities covered by this statement. This price represents the approximate weighted average price per share of Class A Shares of sales that were executed at prices ranging from $22.025 to $22.23 per Class A Share. The reporting persons undertake to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the price per Class A Share and the number of Class A Shares sold at each price. This price represents the approximate weighted average price per share of Class A Shares of sales that were executed at prices ranging from $21.10 to $21.275 per Class A Share. The reporting persons undertake to provide, upon request by the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the price per Class A Share and the number of Class A Shares sold at each price. /s/ Edward S. Lampert 2021-03-19