Josh Wannarka

Crimson Exploration, Inc. engaged in exploitation, exploration, development and acquisition of crude oil and natural gas, primarily in the onshore regions of the United States. The company was founded in 1987 and was headquartered in Austin, TX.

Crestwood Equity Partners LP engages in investment and management of energy midstream assets. It operates through the following segments: Gathering and Processing, Storage and Transportation, and Marketing, Supply, and Logistics. The Gathering and Processing segment provides gathering and transportation services, processing, treating, and compression services, and disposal services to producers in unconventional shale plays and tight-gas plays. The Storage and Transportation segment includes COLT Hub and equity investments in three joint ventures. The Marketing, Supply, and Logistics segment consists of natural gas liquids, crude oil, and natural gas marketing and logistics operations. The company was founded in March 2001 and is 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.