X0306 4 2022-05-24 0 0001881487 ProFrac Holding Corp. PFHC 0001843185 Nieuwoudt Stacy Durbin C/O PROFRAC HOLDING CORP. 333 SHOPS BOULEVARD, SUITE 301 WILLOW PARK TX 76087 1 0 0 0 Class A common stock, par value $0.01 per share 2022-05-24 4 A 0 24166 0.00 A 30416 D Reflects restricted stock units granted to the reporting person under the ProFrac Holding Corp. 2022 Long Term Incentive Plan. Each restricted stock unit represents the contingent right to receive one share of the Issuer's Class A common stock, par value $0.01 per share. /s/ Robert J. Willette, Attorney-in-Fact 2022-05-26