John R. Wright

Goldman Sachs International (GSI) is the Great Britain-based, wholly-owned brokerage subsidiary of Goldman Sachs Group UK Ltd., ultimately held by The Goldman Sachs Group, Inc. (NYSE: GS) in the US. The firm was founded in 1988 and formerly known as Trushelfco Ltd. Headquartered in London, GSI provides prime brokerage, securities lending, futures services and financing services for a range of clients such as corporations, financial institutions, governments and high-net worth individuals.

Polyflow Holdings LLC operates as a holding company with interest in manufacturing spoolable composite pipe products for the oil and gas industry. The company was founded in 2011 and is headquartered in Oaks, PA.

RBC Capital Partners Ltd. is a Venture Capital firm, a subsidiary of RBC Dominion Securities, Inc. founded in 1900. RBC Capital Partners Ltd. is headquartered in Toronto, Canada with offices across the globe.

Energy Services Holdings LLC provides electrical and instrumentation services. The firm also provides transmission and distribution (T&D) services to the downstream, midstream, and upstream oil and gas as well as electrical utility markets. It has offices in Texas, Louisiana, North Dakota, California, Wyoming, Colorado, Pennsylvania and Virginia. The company was founded in 2008 and is headquartered in Covington, LA.

Cadent Energy Partners LLC (Cadent Energy Partners) is a private equity firm founded in 2002 by Paul G. McDermott and David Coppe. The firm is Headquartered in New York.

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.

Premium Oilfield Services LLC enagges in the provision of specialized services and equipment rentals to the oilfield industry. Its services include rental tools, fishing, wireline, whipstock, thru tubing, and rotating control devices rental. The firm supplies and supports the oilfield market with tools and personnel. The company was founded on February 2012 and is headquartered in Houston, TX.

Probe Holdings, Inc. engages in the design, manufacture, and sale of measurement tools and systems. It products is used for formation evaluation, well integrity assessment, and productivity determination. The company was founded in 1995 and is headquartered in Missouri City, TX.

Probe Technology Services, Inc. designs, manufactures, and sells measurement tools and systems used in formation evaluation, and well integrity assessment and productivity determination for the energy industry worldwide. It offers cased hole tools, such as corrosion logging, cement integrity logging, thru casing evaluation logging, gamma ray and CCL logging, memory logging, surface acquisition systems, and auxiliary equipment and accessories; and open hole tools, including nuclear, resistivity, acoustic, and borehole geometry logging. The company was founded in 1994 and is headquartered in Houston, TX.