Riot Platforms, Inc. — Director's Dealing 2025

Jul 3, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Riot Platforms, Inc. (RIOT)
CIK: 0001167419
Period of Report: 2025-07-01

Reporting Person: Howell Stephen Mitchell Jr. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-07-01	Common Stock	F	20345	$11.27	Disposed	802785	Direct
2025-07-01	Common Stock	A	221827	—	Acquired	1024612	Direct
2025-07-01	Common Stock	A	443656	—	Acquired	1468268	Direct

Footnotes

F1: Represents shares withheld by the Issuer to cover tax withholding obligations upon vesting of restricted shares of the Issuer's common stock.

F2: 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.

F3: 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 221,827 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.