Son P. Vann

Discovery Offshore SARL will engage in offshore contract drilling services for the oil and gas industry. It offers high-specification jack-up drilling rigs. The company was founded on January 12, 2011 and is headquartered in Luxembourg.

Hercules Offshore, Inc. engages in the provision of shallow-water drilling and marine services to the oil and natural gas exploration and production industry. It operates through the following business segments: Domestic Offshore, International Offshore, and International Liftboats. The company was founded by Erland Peter Bassøe in July 2004 and is headquartered in Houston, TX.

Rowan Cos. Ltd. engaged in the provision of offshore contract drilling services to the oil and gas industry. It operates through the following segments: Deepwater, Jack-ups, and ARO. The Deepwater segment included ultra-deepwater drill ships. The Jack-ups segment consists of self-elevating jack-up rigs. The ARO segment owned, managed, and operated offshore drilling units in Saudi Arabia. The company was founded on October 11, 2011 and was headquartered in London, the United Kingdom.