Steven L. Mueller

Part of Southwestern Energy Co., A.W. Realty Co. LLC is a company based in Fayetteville, AR.

SWN Resources Canada, Inc. engages in the exploration of oil and gas. The company is headquartered in Moncton, Canada.

GTI Energy provides research, development and training services for the natural gas industries. It offers research and development, program management, technical services, analytical services, consulting, commercialization, training and information services. The company was founded in April 2000 and is headquartered in Des Plaines, IL.

C&J Energy Services Ltd. engages in the provision of well construction, well completions, and well services to the oil and gas industry. It operates through the following segments: Completion Services; Well Support Services; and Other Services. The Completion Services segment includes the hydraulic fracturing services, cased-hole wire line services, coiled tubing services and other well stimulation services of both Legacy C&J and the C&P business. The Well Support Services segment includes services acquired with the C&P business, specifically including rig services, fluid management services and other special well site services. The Other Services segment includes services acquired with the C&P business, specifically including rig services, fluid management services and other special well site services. The company was founded on 1997 and is headquartered in Hamilton, Bermuda.

C&J Energy Services, Inc. engages in the provision of on-shore well construction, well completions, and well services to the oil and gas industry. It also offers manufacturing, research, and technology services to oil and gas production companies. It operates through the following segments: Completion Services, and Well Support Services. The Completion Service segment engages in hydraulic fracturing and cased-hole wireline and pump down services. The Well Support Services segment focuses on post-completion activities at the well site, and includes rig services, including workover, plugging and abandonment, fluids management, coiled tubing, artificial lift applications, and other specialized well site services. The company was founded by Joshua E. Comstock in 1997 and is headquartered in Houston, TX.

NexTier Oilfield Solutions, Inc.is an oilfield service company. It offers completion solutions, hydraulic fracturing, wire line, pump down, coiled tubing, cementing, rig services, special services, and fluids management services. The company operates through the following segments: Completion Services, Well Construction and Intervention Services, and Well Support Services. The Completion Services segment consists of fracturing services, wireline and pumping services, and completion support services, which includes the research and technology (R&T) department. The Well Construction and Intervention Services segment consists of cementing services and coiled tubing services. The Well Support Services segment consists of rig services, fluids management services, and specialty well site services. The company was founded on October 13, 2016 and is headquartered in Houston, TX.

United Production Partners LLC engages in the exploration and production of oil and natural gas. The company is headquartered in Dallas, TX.

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.

IOG Resources LLC operates as a non-classified establishment company. The company is headquartered in Dallas, TX.

IOG Capital LP (IOG Capital) is a private equity firm founded in 2014 by Marcus C. Rowland. The firm is headquartered in Dallas, Texas.