X0306 4 2023-02-09 0 0001295810 Sunstone Hotel Investors, Inc. SHO 0001849640 Ostapovicz Christopher Gerard 15 ENTERPRISE SUITE 200 ALISO VIEJO CA 92656 0 1 0 0 Chief Operating Officer Common Stock 2023-02-09 4 A 0 20571 A 158334 D On February 9, 2023, Sunstone Hotel Investors, Inc. granted 20,571 restricted shares of common stock to the Reporting Person pursuant to its 2022 Incentive Award Plan. Such shares are subject to the satisfaction of vesting requirements over a three-year period. /s/ Christopher G. Ostapovicz 2023-02-13