Brett Crandall

Sierra EF LP operates as an exploration and production company. The company is headquartered in Houston, TX.

TPG Sixth Street Partners LLC (TPG Sixth Street Partners) is a private equity and venture capital firm founded in 2009 by Alan Samuel Waxman and Joshua William Easterly. The firm is headquartered in San Francisco, California.

Blackstone Credit /Private Equity/ (Blackstone Credit) is a private equity subsidiary of Blackstone Alternative Credit Advisors LP founded in 2005. The firm is headquartered in New York.

Synergy Offshore LLC provides gas and oil exploration services. It also offers exploitation, acquisition, development, and production of crude oil and natural gas reserves. The company was founded by Duane H. King in 2010 and is headquartered in Houston, TX.

Deutsche Bank Securities, Inc. (DBSI) is a SEC-registered broker/dealer headquartered in New York City. The firm was founded in 1971 and is a wholly-owned investment banking and brokerage arm of DB U.S. Financial Markets Holding Corp., ultimately held by Deutsche Bank AG (NYSE: DB, FRA: DBK) in Germany. DBSI provides securities brokerage and investment advisory services to domestic and international private clients and institutions. They are also a primary dealer in US government securities as designated by the Federal Reserve.

Cerberus Capital Management LP (Cerberus) is a private equity firm founded in 1992 by Stephen A. Feinberg and William L. Richter. It is headquartered in New York.