Thomas Tyree

HighPoint Operating Corp. engages in the development, acquisition, and exploration of oil and natural gas resources. It holds interest in the Denver-Julesburg Basin and the Uinta Oil Program in the Uinta Basin. The company was founded by William J. Barrett, Fredrick J. Barrett, and John Frank Keller in January 2002 and is headquartered in Denver, CO.

Vantage Energy LLC operates as an independent oil and natural gas company, which engages in the acquisition, development, and exploration of oil and natural gas properties in the United States. The company was founded by Roger Biemans and Tom Tyree in December 2006 and is headquartered in Englewood, CO.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

Vantage Energy II LLC acquires, explores and develops natural gas projects. It focuses on unconventional resources in the Appalachian Basin of the United States. The company was founded by Roger J. Biemans and Thomas B. Tyree, Jr. and is headquartered in Englewood, CO.

Vantage Energy, Inc. acquires, develops, and explores oil and natural gas properties. Its property portfolio includes Appalachian, Forth Worth, and Uinta-Piceance basins. The company was founded by Roger J. Biemans and Thomas B. Tyree, Jr. in 2007 and is headquartered in Englewood, CO.

Bonanza Creek Energy, Inc. engages in the extraction of oil and associated liquids-rich natural gas. It focuses on the Niobrara and Codell formations in the Denver-Julesburg Basin. The company was founded on December 2, 2010 and is headquartered in Denver, CO.