David Lane

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.

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.

Allied Downhole Technologies LLC provides open-hole and cased-hole wireline logging services. The company is headquartered in Dallas, TX.

Turnbridge Capital LLC (Turnbridge Capital) is a private equity firm founded in 2008 by Todd M. Tomlin, Robert B. Horton and Kent Sweezey. The firm is headquartered in Dallas, Texas.

Cimarron Energy Holdco, Inc. operates as a holding company. The company is headquartered in Dallas, TX.

Brigade Energy Holdings LLC engages in the provision of upstream and oil field services. The company was founded in 2016 and is headquartered in Dallas, 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.