Stephen A. Thorington

Plains Resources, Inc. engages in acquisition and exploitation of mature, underdeveloped oil properties, preferably an entire field in which a major integrated or large independent producer has controlling interest, simplifying the acquisition process. The company is headquartered in Houston, TX.

The Chase Manhattan Bank NA operates a commercial banking. It provides financial products, services, and advice, planning and treasury management services. The company is located in New York, NY.

CMC Materials KMG Corp. engages in the production and distribution of specialty chemicals. It operates through the following segments: Electronic Chemicals and Performance Materials. The Electronic Chemicals segment sells wet process chemicals primarily to the semiconductor industry. The Performance Materials segment includes the pipeline performance and wood treating chemicals business platforms. The company was founded in 1992 and is headquartered Fort Worth, TX.

Plains Exploration & Production Co. was an independent energy company, which was engaged in the activities of acquiring, developing, exploring and producing oil and gas properties. It was owned oil and gas properties in onshore and offshore areas of California, the Gulf Coast Region, including Haynesville Shale, Eagle Ford Shale and South and East Texas, the Mid-Continent Region and the Rocky Mountains. The company was founded on September 28, 1990 and was headquartered in Houston, TX.

QR Energy LP engages in the acquisition, exploitation, development and production of oil and natural gas properties. Its assets are located in the Permian, Ark-La-Tex, Mid-Continent, Gulf Coast and Michigan regions. The company was founded on September 20, 2010 and is headquartered in Los Angeles, CA.

Part of Maverick Natural Resources LLC, QRE GP LLC provides investment services. The private company is based in Houston, TX. QRE GP was acquired by QR Energy LP on March 03, 2014.

EQM Midstream Partners LP engages in the ownership, operation, acquisition, and development of midstream assets in the Appalachian Basin. It operates through the following segments: Gathering, Transmission and Water. The company was founded on January 18, 2012 and is headquartered in Pittsburgh, PA.

EQGP Holdings LP engages in providing natural gas services. It owns the general partner interest, incentive distribution rights, and portion of limited partner interests in EQM Midstream Partners, LP. The company was founded in January 2015 and is headquartered in Pittsburgh, PA.