Christopher Wirtz

BJ Services Co. LLC engages in the provision of pressure pumping, cementing, stimulation, and coiled tubing services. The company was founded on May 30, 1990 and is headquartered in Houston, TX.

Credit Suisse Securities (USA) LLC (Credit Suisse Securities USA) is the broker/dealer division of Credit Suisse Securities (USA) LLC, an investment banking company headquartered in New York City. The firm was founded in 1998 and is a wholly owned subsidiary of Credit Suisse (USA), Inc., ultimately owned by Credit Suisse Group AG (SWX: CSGN) in Switzerland. Credit Suisse Securities USA offers a suite of equities, solutions and credit products and services which includes global securities sales, trading and execution, prime brokerage and comprehensive investment research. Their clients include financial institutions, corporations, governments, institutional investors, such as pension funds and hedge funds, and private individuals around the world.

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

University of Texas Investment Management Co. (UTIMCO) is a not-for-profit foundation headquartered in Austin, Texas. The Foundation was founded in 1996 to oversee investments for The University of Texas and Texas A&M University Systems. UTIMCO manages four major endowment funds under the fiduciary care of the UT System Board of Regents: the Permanent University Fund (PUF), the Permanent Health Fund (PHF), the Long Term Fund (LTF), and the Separately Invested Funds (SIF). The PHF and the LTF are pooled and invest in shares of the General Endowment Fund (GEF).

SESI LLC engages in provision of oil field and equipment services. The company is headquartered in Houston, TX.

Galveston LNG, Inc. engages in exploration of natural gas. It focuses on liquefying, originating, trading and storing of liquefied natural gas for its own projects and for third-parties worldwide. The company was founded in 2004 and is headquartered in Calgary, Canada.

Loadcraft Site Services LLC offers equipment and services to oilfield service companies and operators engaged in hydraulic fracturing. The company was founded by William A. Zartler and is headquartered in Houston, TX.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Founded in 1990, Capital One Southcoast, Inc., formerly Hibernia Southcoast Capital, is a full-service investment banking firm and broker/dealer located in New Orleans, Louisiana with an additional office in Houston, Texas. The firm is a subsidiary of Capital One Financial Corp. (NYSE: COF). They are provide corporate finance, equity research, institutional equity sales and trading services to private and mid-market public companies. The firm offers broad coverage of over 1,000 domestic and foreign institutional accounts for mutual funds, pension funds, hedge funds, insurance firms and other institutional investors. Capital One Southcoast's analysts provide coverage across the energy sector including energy infrastructure, oilfield services and oil & gas exploration and production.

MS Directional LLC operates as a directional drilling service company. It provides down-hole surveying, measurement while drilling, down-hole motors, horizontal drilling, and steering tool services. The company was founded in 1980 and is headquartered in Conroe, TX.

Greater Houston Partnership operates as a place for community-minded business leaders who want to be involved in Houston''s positive growth and influence the direction. The company was founded in 1840 and is headquartered in Houston, TX.

U.S. Well Services LLC provides oil field services. It engages in pressure pumping and related services, including high-pressure hydraulic fracturing in unconventional oil and natural gas basins. The firm operates in the Marcellus and Utica shale regions that cover West Virginia, Pennsylvania and Ohio. The company was founded by Edward S. Self III and Jeffrey McPherson on February 21, 2012 and is headquartered in Houston, TX.

Part of Dan Duncan LLC, Enterprise Products Holdings LLC is a company that functions as an investment holding company. The company is based in Houston, TX. The CEOs of the company are A. James Teague, W. Randall Fowler.

Greene's Energy Group LLC provides integrated testing, rentals and specialty services to the oil and gas industry. It specializes in abandonment and decommissioning, offshore pipeline services, water treatment and filtration, wellhead and valve sales and services, nitrogen services, consulting services, and specialty pumping services and rentals. The company was founded in 1953 and is headquartered in Houston, TX.

The Texas Business Hall of Fame Foundation engages in recognizing the accomplishments and contributions of Texas business leaders, to perpetuate and inspire the values of entrepreneurial spirit. The company was founded in 1982 and is headquartered in Houston, TX.

Part of Dow, Inc., Dow Hydrocarbons & Resources LLC is a company that provides resins for paints, coatings, building materials, and personal care products. The company is based in Houston, TX and offers solvents and glycols that offer formulation advantages for a wide variety of end-use products and as intermediates in the production of functional products. The company works with formulators to develop innovative solutions that enhance performance, durability, aesthetics, and sustainability.

Solaris Midstream Holdings LLC operates as an investment holding company. It owns, operates, and designs crucial midstream assets. The company is headquartered in Houston, TX.

The Texas Medical Center provides healthcare services. The company was founded in 1900 and is headquartered in Huston, TX.

Tudor, Pickering, Holt & Co. Securities LLC (TPH) is a broker/dealer headquartered in Houston, Texas. The firm was founded in 2007 by Robert Tudor III. They are a subsidiary of Perella Weinberg Partners Group LP, which is ultimately owned by Perella Weinberg Partners (NASDAQ: PWP). TPH provides a full array of trading and execution services for their institutional and corporate clients in the energy sector. They focus on the upstream, midstream and oilfield service sectors.

ClearBridge Investments LLC is a SEC-registered investment advisor headquartered in New York City. The firm is a subsidiary of Legg Mason, Inc., ultimately held by Franklin Resources, Inc. (NYSE: BEN). They were founded in 2005 as ClearBridge Advisors, which operated through Citigroup Asset Management NA, and was acquired by Legg Mason that year. They changed their name to ClearBridge Investments LLC in 2012. ClearBridge Investments provides discretionary investment management services for both institutional and retail clients. The firm also acts as adviser or sub-adviser to the ClearBridge Funds which are part of the Legg Mason family of mutual funds.

Denham Capital Management LP (Denham Capital) is a private equity firm founded by Stuart Denham Porter, Riaz Qamar Siddiqi and Carl John Tricoli. The firm is headquartered in Boston, Massachusetts.

Part of NGL Energy Partners LP, NGL Energy Holdings LLC functions as an investment holding company. The company is based in Tulsa, OK. H. Michael Krimbill has been the CEO of the company since 2010.