Kyle P. O'Neill

TCW Asset Management Co. LLC (TCW) is a SEC-registered investment advisor headquartered in Los Angeles, California. The firm was founded in 1992 and is wholly-owned by The TCW Group, Inc. In 2013, TCW management and private investment funds affiliated with The Carlyle Group (NASDAQ: CG) acquired TCW Group from Société Générale. TCW provides investment management and advice for a wide array of investment strategies for institutional and individual investors through investment advisory accounts, private open- and closed-end commingled investment funds and structured investment vehicles such as collateralized debt obligations.

Founded in 1999 by Timothy S. Peterson, Regiment Capital Management LLC is a registered investment advisor and hedge fund manager located in Boston, Massachusetts. The firm is wholly-owned by its managing member and advisory affiliate, Regiment Capital Advisors LP (RCA). The general partner of RCA is Regiment Capital Advisors LLC. Regiment Capital Management's clients include pooled investment vehicles and institutional accounts. Investors in the pooled investment vehicles include retirement plans, endowments and foundations, health care institutions, insurance companies, family offices and corporations, high net-worth individuals, fund-of-funds, as well as investment advisors and financial institutions.

JPMorgan Securities LLC (JPMS) is a securities brokerage firm headquartered in New York City. The firm was founded in 1985 and is a subsidiary of JPMorgan Broker-Dealer Holdings, Inc., ultimately held by JPMorgan Chase & Co., Inc. (NYSE: JPM). JPMS provides research on fixed income, credit, derivatives, emerging markets, foreign exchange, structured finance, technical analysis and bond indices. Their equity analysts cover equities throughout North America, EMEA, Asia/Pacific and the emerging markets. The firm's fixed income team formulates trading and portfolio recommendations for investors in global bonds and other fixed-income markets based on valuations, analytics and market dynamics.

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.

Foothills Texas, Inc. provides oil and gas acquisition, exploration, and production services. The company was founded on August 15, 2006 and is headquartered in Houston, TX.

U.S. Well Services Holdings LLC engages in the provision of high-pressure and hydraulic fracturing services in oil and natural gas basins. Its FRAC technology delivers electric, mobile well stimulation systems powered by locally supplied natural gas including field gas sourced directly from the wellhead. It also offers PowerPath, OPTI-FLEX, WhisperFrac, F3 FUEL, AIM, and Clean Fleet technologies. The company was founded in 2012 and is headquartered in Willow Park, TX.