Daniel P. Flannery

Riverstone Investment Group LLC (Riverstone Investment Group) is a private equity firm, subsidiary of Riverstone Holdings LLC, founded in 2000 by Pierre F. Lapeyre, Jr. and David M. Leuschen. The firm is headquartered in New York.

Part of Atlas Energy Group LLC, Atlas Growth Partners GP LLC provides investment services. The company is based in Pittsburgh, PA. Jeffrey M. Slotterback has been the CEO of the company since 2013.

Atlas Growth Partners LP engages in the production of natural gas and oil. It focuses on the development and growth of energy enterprises. The company was founded in February 2013 and is headquartered in Philadelphia, PA.

UBS Investment Bank provides investment banking and securities brokerage services. Its clients include institutional and corporate clients, intermediaries, governments, and hedge funds. The firm also provides merger and acquisition advisory, private placement, investment research, foreign exchange, equity, and leverage finance advisory services. The firm is headquartered in San Francisco, CA.

First Reserve Management LP (First Reserve) is a private equity firm founded in 1983. The firm is headquartered in Stamford, Connecticut.