Gilles Luca

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., ENSCO Universal Ltd. is a British company that provides contract drilling services to the offshore oil and gas industry. The private company is based in London, UK and was founded in 2009.

Part of Valaris Ltd., Ensco Global Ltd. is a private company based in George Town, the Cayman Islands. The Caymanian company was founded in 2011.

Part of Valaris Ltd., Ensco Holdco Ltd. is an investment holding British company. The private company is based in London, UK. Ensco Holdco was founded in 2009.

Part of Valaris Ltd., Ensco Universal Holdings II Ltd. functions as an investment holding Caymanian company. The private company is based in George Town, Cayman Islands.