X0306 4 2020-05-13 0 0001295810 Sunstone Hotel Investors, Inc. SHO 0001213596 BAIRD W BLAKE 200 SPECTRUM CENTER DRIVE 21ST FLOOR IRVINE CA 92618 1 0 0 0 Common Stock 2020-05-13 4 P 0 5000 7.1778 A 44857 D This transaction was executed in multiple trades at prices ranging from $7.17 to $7.18. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ W. Blake Baird 2020-05-14