Sec Form 4 Filing - KAPOSTASY DANIEL @ ENERGY FUELS INC - 2024-01-25

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 KAPOSTASY DANIEL 2. Issuer Name and Ticker or Trading Symbol ENERGY FUELS INC [ UUUU] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP Technical Services (Last) (First) (Middle) C/O ENERGY FUELS INC., 225 UNION BLVD., SUITE 600 3. Date of Earliest Transaction (MM/DD/YY) 01/25/2024 (Street) LAKEWOOD, CO80228 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 Shares 01/25/2024 A 10,038 A $ 0 34,695 D Common Shares 01/27/2024 F 1,293 D $ 7.3 33,402 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 Performance-Based Stock Options ("Options") $ 8.23 01/25/2024 A 10,424 01/25/2025 01/24/2029 Common Shares 10,424 $ 0 73,450 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KAPOSTASY DANIEL C/O ENERGY FUELS INC. 225 UNION BLVD., SUITE 600 LAKEWOOD, CO80228 VP Technical Services Signatures David Frydenlund as Attorney-in-Fact for Daniel Kapostasy 01/29/2024 Signature of Reporting Person Date

Explanation of Responses:

Remarks: 1. Reflects grant of 10,038 RSUs which vest as follows: 50% on 01/27/2025; 25% on 01/27/2026; and 25% on 01/27/2027.2. Reflects grant of 10,424 Options having a strike price at a 10% premium of the grant price of $7.48, which vest as follows: 50% on 01/25/2025; and 50% on 01/25/2026.3. Derivative Securities beneficially owned, as reported in Table II, Column 9, reflect 10,424 Options granted through this transaction, and 29,243 non-qualified stock options and 33,783 stock appreciation rights previously granted to Reporting Person by Issuer.

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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