Robert S. Purgason

EnLink Midstream Partners LP provides integrated midstream services across natural gas, crude oil, condensate, and NGL commodities. It operates through the following segments: Permian, Louisiana, Oklahoma, North Texas, and Corporate. The Permian segment covers the natural gas gathering, processing, and transmission activities and crude oil operations in the Midland and Delaware Basins in West Texas and Eastern New Mexico and crude operations in South Texas. The Louisiana segment consists of natural gas pipelines, natural gas processing plants, storage facilities, fractionation facilities, and NGL assets located in Louisiana and crude oil operations in ORV. The Oklahoma segment refers to the natural gas gathering, processing, and transmission activities, and crude oil operations in the Cana-Woodford, Arkoma-Woodford, northern Oklahoma Woodford, STACK, and CNOW shale areas. The North Texas segment comprises of natural gas gathering, processing, and transmission activities in North Texas. The Corporate segment are unconsolidated affiliate investments in the Cedar Cove JV in Oklahoma, ownership interest in GCF in South Texas, derivative activity, and general corporate assets and expenses. The company was founded on July 12, 2002 and is headquartered in Dallas, TX.

Part of EnLink Midstream LLC, EnLink Midstream GP LLC explores for oil and gas and also provides oil pipeline transportation services. The private company is based in Dallas, TX. Barry E. Davis has been the CEO of the company since 2002.

Williams Partners LP owns, operates, develops & acquires natural gas gathering system and energy assets. It focuses on natural gas gathering, the first segment of midstream energy infrastructure that connects natural gas produced at the wellhead to third-party takeaway pipelines. The company was founded in 2005 and is headquartered in Tulsa, OK.

Access Midstream GP LLC operated, developed and acquired natural gas gathering system and energy assets. The company was headquartered in Oklahoma City, OK.

Part of EnLink Midstream LLC, EnLink Midstream Operating LP is a leading, American integrated midstream company that provides integrated energy infrastructure services for natural gas, crude oil, condensate, and NGLs, as well as CO2 transportation for carbon capture and sequestration (CCS). The private company's diverse geographic footprint and strong financial foundation allow them to offer large-scale, cash-flow-generating asset platforms for integrated midstream services across various commodities.

WPZ GP LLC owns, operates, develops and acquires natural gas gathering systems and other midstream energy assets. The company is headquartered in Oklahoma City, OK.