Indigo Minerals

Black Stone Minerals Company, a privately-owned Delaware limited partnership located in Houston, Texas, and is one of the largest fee mineral and royalty owners in the United States. Along with its private equity funds, Black Stone s ownership includes in excess of 15,000 wells and approximately 13.2 million gross acres located in more than 35 states. Since 1999, the company has closed nine large acquisitions of mineral properties with producing royalty totaling approximately $380 million, from large corporations to family-held entities.

Deep Gulf Energy is a Houston-based company specializing in the exploration and production of oil and gas resources in the Gulf of Mexico region. With a focus on leveraging advanced technology and industry expertise, Deep Gulf Energy is committed to sustainable energy practices and maximizing resource potential. Generated from their business information

Southwestern Energy Company, founded in 1929, explores, produces and distributes natural gas and oil throughout the United States, including Arkansas, Texas, Louisiana, New Mexico, and Oklahoma. The company conducts its exploration and production activities through its wholly owned subsidiaries, Southwestern Energy Production Company and SEECO. It has oil drilling operations in the Arkoma Basin and East Texas, and exploration facilities in New Mexico. The company s subsidiary, Arkansas Western Gas Company, distributes and transmits natural gas to more than 1 million residential, commercial and industrial customers in northern Arkansas. It also provides natural gas storage and transportation facilities to third-party clients. Southwestern Energy Company is headquartered in Houston.