X0508 4 2025-07-01 0001167419 Riot Platforms, Inc. RIOT 0001931824 Werner Ryan D. C/O RIOT PLATFORMS, INC. 3855 AMBROSIA STREET, SUITE 301 CASTLE ROCK CO 80109 false true false false SVP, CAO 0 Common Stock 2025-07-01 4 F 0 12965 11.27 D 641861 D Common Stock 2025-07-01 4 A 0 66548 0 A 708409 D Common Stock 2025-07-01 4 A 0 133097 0 A 841506 D Represents shares withheld by the Issuer to cover tax withholding obligations upon vesting of restricted shares of the Issuer's common stock. Represents the award of service-based restricted shares under the Issuer's Long-Term Incentive Program ("LTIP"). These shares are eligible to vest, if at all, in three approximately equal tranches as of January 1, 2026, January 1, 2027, and January 1, 2028, subject to the Reporting Person's continued service with the Issuer through each applicable vesting date. Represents an award of performance-based restricted shares under the LTIP at the maximum achievable amount of up to 200% of the award target amount of 66,548 shares. Such shares are eligible to vest, if at all, at the end of the three-year performance period from January 1, 2025 through December 31, 2027, upon certification by the Compensation and Human Resources Committee, and subject to the Reporting Persons continued service with the Issuer through January 1, 2028. /s/ Tanya McGill, Attorney-in-Fact for Ryan Werner 2025-07-03