Andrew David Hessell

Kellas Midstream Ltd. engages in the provision of business support services. It focuses on critical energy infrastructure. The company was founded in 2014 and is headquartered in Aberdeen, the United Kingdom.

Kellas CATS Ltd. operates gas pipelines and platform services. The company was founded in 2012 and is headquartered in London, United Kingdom.

Part of Antin Infrastructure Partners Luxembourg II SARL, Kellas Topco Ltd. is a holding British company that operates subsidiaries involved in the transportation and processing of hydrocarbons. The company is based in London, UK and was founded in 2014.

Part of Kellas Midstream Ltd., CATS North Sea Ltd. is a British company that engages in transportation and processing of hydrocarbons. The company is based in London, UK and was founded in 2014.

Part of Antin Infrastructure Partners Luxembourg II SARL, Kellas Holdco Ltd. is an investment holding British company. The company is based in London, UK. Kellas Holdco was founded in 2014.

Part of Kellas North Sea 1 Ltd., Kellas North Sea 2 Ltd. functions as an investment holding British company. The company is based in London, UK and was founded in 2017.

Part of Antin Infrastructure Partners Luxembourg II SARL, Kellas Parentco Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2014.

Humber Gathering System Ltd. is a British company that provides petroleum and natural gas extraction services. The private company is based in London, UK. The company was founded in 2017.

Kellas Group Finance Ltd. is a private company based in London, UK. The British company was founded in 2019.