Investor Relations

Lance Turner, CFO
333 Shops Blvd., Suite 301
Willow Park, TX 76087
T: 254-776-3722
investors@profrac.com

Transfer Agent

American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219
T: (800) 937-5449 or (718) 921-8124
help@astfinancial.com

Auditor

Grant Thornton LLP
Jason Cook
1717 Main Street
Suite 1800
Dallas, TX 75201
T: 214-561-2300

Legal Counsel

Vinson & Elkins LLP
Michael Telle, Scott D. Rubinsky
1001 Fannin Street
Suite 2500
Houston, TX 77002
T: 713-758-2222

Latham & Watkins LLP
811 Main Street
Suite 3700
Houston, TX 77002
T: 713-564-5400