Sec Form 4 Filing - THRC Holdings, LP @ ProFrac Holding Corp. - 2022-05-17

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 THRC Holdings, LP 2. Issuer Name and Ticker or Trading Symbol ProFrac Holding Corp. [ PFHC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) X __ Other (specify below) Director by Deputization (Last) (First) (Middle) 17018 INTERSTATE 20 3. Date of Earliest Transaction (MM/DD/YY) 05/17/2022 (Street) CISCO, TX76437 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 Class A common stock, par value $0.01 per share 05/17/2022 A 4,222,222( 1 ) A $ 18 14,954,937 D( 2 )

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 THRC Holdings, LP 17018 INTERSTATE 20 CISCO, TX76437 X X Director by Deputization THRC Management, LLC 17018 INTERSTATE 20 CISCO, TX76437 X X Director by Deputization Wilks Dan H. 17018 INTERSTATE 20 CISCO, TX76437 X X Director by Deputization Signatures /s/ Robert J. Willette, Attorney-in-Fact 05/19/2022 Signature of Reporting Person Date /s/ Robert J. Willette, Attorney-in-Fact 05/19/2022 Signature of Reporting Person Date /s/ Robert J. Willette, Attorney-in-Fact 05/19/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects shares of Class A common stock, par value $0.01 per share, acquired in connection with the Issuer's initial public offering, which closed on May 17, 2022. ( 2 )THRC Holdings, LP ("THRC Holdings"), a Texas limited partnership, directly holds the securities of the Issuer. THRC Management, LLC ("THRC Management"), a Texas limited liability company, as General Partner of THRC Holdings, has exclusive voting and investment control over the shares of Class A common stock held by THRC Holdings, and therefore may be deemed to beneficially own such shares. Dan Wilks, as sole manager of THRC Management, may be deemed to exercise voting and investment power over the shares of the Issuer's Class A common stock directly owned by THRC Holdings, and therefore may be deemed to beneficially own such shares. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of their respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.

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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