Darin Gibbins

Rowan Cos., Inc. engages in the provision of contract drilling services to the oil and gas industry. The company was founded by Charles Rowan and Archibald Rowan in 1923 and is headquartered in Houston, TX.

Valaris Plc engages in the provision of offshore contract drilling services to the international oil and gas industry. It operates its through the following segments: Floaters, Jackups and ARO, Others. The Floaters segment includes drill ships and semisubmersible rigs. The Jackups segment offers contract drilling service. The ARO segment focuses in offshore drilling services. The Others segment consists of management services on rigs owned by third-parties. The company was founded on July 3, 1905 and is headquartered in London, the United Kingdom.

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.

Part of Valaris Ltd., Rowan Marine Services LLC is a private company that provides offshore contract drilling services. The company is based in Houston, TX.

Part of Valaris Ltd., Rowan S de RL de CV is a Mexican company that provides offshore drilling services. The private company is based in Mexico City, Mexico.

Part of Valaris Ltd., ENSCO Corporate Resources LLC is a private company that provides offshore contract drilling services. The company is based in Wilmington, DE.