Sabrina Liak

PetroEdge Energy III LLC engages in the acquisition, exploitation, and exploration of unconventional natural gas and crude oil properties. Its focus is an aggressive acquisition and development program focused on the lower Eagleford in Brazos and Burleson Counties, Texas and is developing an inventory of opportunities in the Cretaceous Shelf Margin. The company was founded by John A. Jack, Larry Buchanan, Larry Richard, and Mark Malinski in 2004 and is headquartered in Houston, TX.

Ogin, Inc. develops and manufactures wind turbines for electrical power production. It products include mixer and ejector wind turbines. The firm's turbines are deployed in lower-voltage distribution grids. The company serves wind farm developers, industrial operators and utilities in the United States and internationally. Ogin was founded by Stanley Kowalski III in 2007 and is headquartered in Waltham, MA.

Green Rock Energy LLC engages in oil and gas exploration. The company is headquartered in Houston, TX.

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.

Central European Petroleum Ltd. operates as a petroleum exploration and production company. It pursues exploration and production projects in Middle Europe with focus on Germany. The firm also holds leases in Mecklenburg-Vorpommern and Brandenburg. The company was founded by Peter E. Putnam and Alula Damte in 2006 and is headquartered in Calgary, Canada.

Lightfoot Capital Partners LP seeks investment opportunities in middle market companies located in the United States. The fund targets companies operating in a broad range of sectors and industries. It provides financing for buyout transactions.

Master Limited Partnership Association operates as a trade association representing the publicly traded partnerships. The company was founded in 1983 and is headquartered in Washington, DC.