X0508 4 2025-07-01 0001167419 Riot Platforms, Inc. RIOT 0001932352 Yee Colin M. C/O RIOT PLATFORMS, INC. 3855 AMBROSIA STREET, SUITE 301 CASTLE ROCK CO 80109 false true false false EVP, CFO 0 Common Stock 2025-07-01 4 M 0 124823 0 A 327900 D Restricted Stock Units 2025-07-01 4 M 0 41071 0 D Common Stock 41071 2041265 D Restricted Stock Units 2025-07-01 4 M 0 83752 0 D Common Stock 83752 1957513 D Restricted stock units ("RSUs") convert into common stock on a one-for-one basis. The reported transaction represents the settlement by the Issuer of the vested award of RSUs granted to the Reporting Person under the Issuer's equity plan. On July 13, 2023, the reporting person was granted service-based RSUs which were eligible to vest, if at all, in three (3) approximately equal tranches as of July 1, 2024, 2025, and 2026, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates. The reported transaction represents the settlement by the Issuer of the vested award of RSUs granted to the Reporting Person under the Issuer's equity plan. On July 1, 2024, the reporting person was granted service-based RSUs which were eligible to vest, if at all, in three (3) approximately equal tranches as of July 1, 2025, 2026, and 2027, subject to the Reporting Person's continued service with the Issuer through the applicable vesting dates. /s/ Tanya McGill, Attorney-in-Fact for Colin Yee 2025-07-02