Sec Form 4 Filing - Les Jason @ Riot Platforms, Inc. - 2024-01-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Les Jason 2. Issuer Name and Ticker or Trading Symbol Riot Platforms, Inc. [ RIOT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CHIEF EXECUTIVE OFFICER (Last) (First) (Middle) C/O RIOT PLATFORMS, INC., 3855 AMBROSIA STREET, SUITE 301 3. Date of Earliest Transaction (MM/DD/YY) 01/03/2024 (Street) CASTLE ROCK, CO80109 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/03/2024 A( 1 ) 5,000,000 ( 2 ) A $ 0 7,368,678 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Les Jason C/O RIOT PLATFORMS, INC. 3855 AMBROSIA STREET, SUITE 301 CASTLE ROCK, CO80109 X CHIEF EXECUTIVE OFFICER Signatures Alexander K. Travis, Attorney-in-Fact for Jason M. Les 01/05/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the award of performance-based restricted shares of the Issuer's Common Stock, no par value per share, ("Common Stock") awarded to the Reporting Person, under the Issuer's Long-Term Incentive Program (the "LTIP") established, as of July 13, 2023, by the Issuer's Compensation and Human Resources Committee of its Board of Directors (the "Committee") under the Issuer's 2019 Equity Incentive Plan, as amended, (the "Equity Plan") for the period ending July 31, 2026 (the "Award Term"), pursuant to an equity award agreement between the Issuer and Reporting Person (the "Award Agreement"). ( 2 )The number of restricted shares of Common Stock reported represents the maximum achievable award under the LTIP (200% of the target award). As set forth in the Award Agreement, the final number of shares of Common Stock to vest will be determined based on the Issuer's achievement, as of the end of the Award Term, of certain performance objectives established for it by the Committee under the LTIP, subject to the Reporting Person's continued service with the Issuer through vesting. Pursuant to the Award Agreement, the shares are subject to certain restrictions, including on transfer, and are at risk of forfeiture until vested.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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