Contacts

Investor Relations

Matt Augustine
investors@propetroservices.com

Transfer Agent

American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219
T: 877-814-9688 (U.S. and Canada)
T: 212-936-5100 (International)
www.amstock.com

Auditor

RSM US LLP
1330 Post Oak Blvd.
Suite 2400
Houston, Texas 77056