X0609 4 2026-06-02 0 0001635282 Rimini Street, Inc. RMNI 0001279303 CAPELLI STEVEN M false C/O 1700 S. PAVILION CENTER DRIVE SUITE 330 LAS VEGAS NV 89135 1 0 0 0 0 Common Stock 2026-06-02 4 M 0 55727 0 A 328721 D Common Stock 100 I Through the Steven Capelli Living Trust Restricted Stock Units 2026-06-02 4 M 0 55727 0 D Common Stock 55727 0 D Restricted Stock Units 2026-06-03 4 A 0 44117 0 A Common Stock 44117 44117 D Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock upon vesting. On June 4, 2025, the Reporting Person was awarded 55,727 Restricted Stock Units, 100% of which vested on June 2, 2026, or the day before the date of the Issuer's 2026 Annual Meeting of Stockholders. 100% of the Restricted Stock Units awarded will vest on the earlier to occur of (i) June 3, 2027 or (ii) the day before the date of the Issuer's 2027 Annual Meeting of Stockholders, contingent upon the Reporting Person's continued service as a member of the Issuer's Board of Directors through such date. /s/ Celeste Rasmussen Peiffer, as Attorney-in-Fact 2026-06-04