Darin G. Holderness

Ranger Oil Corp. is an independent oil and gas company, which engages in the exploration, development, and production of crude oil, natural gas liquids, and natural gas. It focuses on its Eagle Ford Shale project located in South Texas. The company was founded in 1882 and is headquartered in Houston, TX.

Basic Energy Services, Inc. engages in the provision of well site services to oil and natural gas drilling and producing companies. It operates its business through the following segments: Completion and Remedial Services, Well Servicing and Water Logistics. The Completion and Remedial Services segment utilizes coiled tubing services, air compressor packages specially configured for underbalanced drilling operations, an array of specialized rental equipment and fishing tools, thru-tubing, and snubbing units. The Well Servicing segment encompasses a full range of services performed with a mobile well servicing rig, including the installation and removal of downhole equipment and elimination of obstructions in the well bore to facilitate the flow of oil and natural gas. The Water Logistics segment focuses on the fleet of trucks and related assets, including specialized tank trucks, storage tanks, water wells, disposal facilities water treatment, and related equipment. The company was founded in 1992 and is headquartered in Fort Worth, TX.

Pure Resources, Inc. develops, explores, and acquires oil and gas properties. Its properties are located in the Permian Basin of West Texas, southeastern New Mexico, and the San Juan Basin of New Mexico. The company is headquartered in Midland, TX

Eagle Rock Energy Partners LP engages in the exploitation, development, and production of oil and natural gas properties. It provides ancillary gathering, compressing, treating, processing, and providing marketing services to its production of natural gas, natural gas liquids, condensate, and crude oil. The company was founded on May 25, 2006 and is headquartered in Houston, TX.

Part of Grizzly Energy LLC, Eagle Rock Energy G & P LLC is a private company based in Houston, TX. Scott W. Smith has been the CEO of the company since 2015.

KPMG LLP engages in the provision of audit, tax, and advisory services. It serves the banking and capital markets, building, construction and real estate, consumer and retail, energy, natural resources and chemicals, financial services, government and public sector, healthcare and life sciences, industrial manufacturing, insurance, media and entertainment, private equity, technology, telecommunications, and venture capital industries. The company was founded in 1987 and is headquartered in New York, NY.