Lisa Stewart

Resources for the Future, Inc. improves environmental and natural resource policymaking. The company was founded in 1952 and is headquartered in Washington, DC.

CASA Exploration Management LLC engages in oil and gas exploration and process of aoil and gas. The company was founded on July 17, 2013 and is headquartered in Houston, TX.

El Paso Interim Corp. provides natural gas and related energy products in a safe, efficient and dependable manner. The company owns North America's interstate natural gas pipeline systems, which provides a stable base of earnings and cash flow and has a backlog of committed expansion projects. The company operates through three segments: Pipelines, Exploration and Production & Marketing. The Pipelines segment provides natural gas transmission, storage, and related services, primarily in the USA primarily through eight wholly or majority owned interstate pipeline systems and equity interests in two transmission systems. The Exploration and Production segment is engaged in the exploration for and the acquisition, development and production of oil, natural gas and NGL, in the US, Brazil and Egypt. The Marketing segment markets on behalf of its Exploration and Production segment and manages the price risks associated with its oil and natural gas production as well as manages remaining legacy trading portfolio. The company was founded by Paul Kayser in 1928 and is headquartered in Houston, TX.

Cimarex Energy Co. is an independent oil and gas exploration and production company. Its activities include drilling, completing and operating wells. It operates through the following areas: Permian Basin, Mid-Continent, and Others in Oklahoma, Texas and New Mexico. The company was founded by F. H. Merelli in February 2002 and is headquartered in Denver, CO.

Sheridan Production Partners Manager LLC (Sheridan Prod Prtnrs Mgr) is a private equity firm founded in 2006 by Lisa Anne Stewart, James K. Bass and Eric L. Harry. The firm is headquartered in Houston, Texas.

Talisman Energy, Inc. is an American company led by Icahn.

Jadestone Energy, Inc. engages in the exploration and development of oil and gas properties. It operates through Producing Assets, and Exploration segemnts. Its asset portfolio includes projects in Australia, Indonesia, Vietnam, Malaysia, and Philippines. The company was founded in 2005 and is headquartered in Singapore.

Western Midstream Holdings LLC engages in operates, acquiring and developing oil and gas properties. The company was founded on September 13, 2012 and is headquartered in The Woodlands, TX.

Western Midstream Operating LP engages in the owning, operating, acquiring, and developing of midstream energy assets. It involves in the gathering, processing, compressing, treating, and transporting natural gas, condensate, natural gas liquids, and crude oil. The company was founded in August 2007 and is headquartered in The Woodlands, TX.