X0407 4 2023-03-28 0 0001881487 ProFrac Holding Corp. ACDC 0001754159 THRC Holdings, LP 17018 INTERSTATE 20 CISCO TX 76437 0 0 1 0 0001834450 THRC Management, LLC 17018 INTERSTATE 20 CISCO TX 76437 0 0 1 0 0001641792 Wilks Dan H. 17018 INTERSTATE 20 CISCO TX 76437 0 0 1 0 0 Class A Common Stock 2023-03-28 4 P 0 500000 12.07 A 18725000 D Class A Common Stock 2023-03-29 4 P 0 402995 12.35 A 19127995 D 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 its 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. Javier Rocha, Attorney-In-Fact 2023-03-30