Dick Stoneburner

Part of MMGJ Hugoton III LLC, BHP Billiton Petroleum (Arkansas) Inc. explores and markets petroleum products. The private company is based in Houston, TX.

3Tec Energy Corp. used to provides acquisition, development, production and exploration of oil and natural gas services. It was located in Houston, TX.

Yuma Energy, Inc. is an independent energy company formed for the purpose of generating and selling exploration opportunities to major and independent oil and gas companies. Through its subsidiary, Yuma Exploration and Production Co., Inc., it continues to internally generate a risk/reward-balanced portfolio of investment opportunities in both conventional and unconventional oil resource plays for the company. Yuma Energy was founded by Sam L. Banks in 1983 and is headquartered in Houston, Texas.

Pine Brook Road Partners LLC (Pine Brook Partners) is a Private Equity firm founded in 2006. The firm is headquartered in New York.

Accelerate Resources Holdings, LLC engages in the exploration and production of oil and natural gas. The company was founded by Mickey Friedrich, Tom Deen, Kenny Worrell, Brennan R. Potts, and Patrick George and is headquartered in Dallas, TX.

Saguaro Resources Ltd. engages in oil and gas exploration. It holds interest in Montney formation. The company was founded by Stacy Knull in September 2012 and is headquartered in Calgary, Canada.

The Yuma Cos., Inc. explores and develops oil and gas. The private company is based in Houston, TX. The company was founded by Sam L. Banks.

MNRL Sub, Inc. engages in the acquisition and managing of a portfolio of mineral and royalty interests. Its portfolio includes basins in the United States, consisting of the Permian Basin in Texas and New Mexico, the SCOOP and STACK plays in the Anadarko Basin of Oklahoma, the DJ Basin in Colorado and Wyoming, and the Williston Basin in North Dakota. The company was founded by Ben M. Brigham in November 2012 and is headquartered in Austin, TX.

Pursuit Oil & Gas LLC engages in the exploration and production of oil and gas. It focuses on acquiring and developing assets in North American unconventional resource plays. The company was founded in 2014 and is headquartered in Houston, TX.

Part of Red Bluff Resources Holdings LLC, Red Bluff Resources is a private exploration and production company based in Oklahoma City, OK. The company is one of the largest operators in the STACK and operates as both an owner and contract operator. The company's focus is on being a low-cost, high-return operator.

Tamboran Resources Ltd. engages in shale gas exploration. Its focus is on the acreage portfolio in the Beetaloo Basin in the Northern Territory. The company was founded by Patrick James Dymock Elliott in 2009 and is headquartered in Manly, Australia.

Elevation Resources LLC operates as an independent oil and natural gas company. It engages in the acquisition and development of oil and liquids resources in the Permian Basin. The company was founded by Steven H. Pruett, Gary Dupriest, Tim Reece and Gary Causey in 2011 and is headquartered in Midland, TX.

Serafina Energy Ltd. provides oil exploration and production services. It operates as a thermal heavy oil company which focuses on capturing and exploiting projects in the thermal heavy oil belt of Saskatchewan. The company was founded by Chad Harris, John Lang-Hodge, and Christopher Bartole in 2013 and is headquartered in Calgary, Canada.

Yuma Exploration & Production Co., Inc. explores and develops oil and gas. The firm focuses on the acquisition, development, and exploration for conventional and unconventional oil and natural gas resources. The company is headquartered in Houston, TX.

STR Sub, Inc. engages in the acquisition, owning, and management of oil and gas mineral and royalty interests operated by a diversified set of exploration and production companies. Its property portfolio includes Permian Basin in West Texas and Southern New Mexico, the Eagle Ford Shale in South Texas, and the Appalachian Basin in Pennsylvania, Ohio, and West Viriginia. The company is headquartered in Denver, CO.