Dave Huber

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.

Rowan Cos., Inc. engages in the provision of contract drilling services to the oil and gas industry. The company was founded by Charles Rowan and Archibald Rowan in 1923 and is headquartered in Houston, TX.

Greenbriar Equity Group LP (Greenbriar Equity) is a private equity firm founded in 1999 by Reginald Lamont Jones and Gerald Greenwald. The firm is headquartered in Greenwich, Connecticut.

TPC Group LLC manufactures chemicals required for the production of synthetic rubber, nylon, adhesives, catalysts and additives. The firm engages in the production and sale of petrochemicals. It sells its products to chemical and petroleum based companies. The company was founded in 1940 and is headquartered in Houston, TX.

Hoover Ferguson Group, Inc. provides chemical tanks, cargo carrying units and other related products. Its products include metal barrels, drums, pails, industrial vessels and tanks. The firm also provides packaging logistics to chemical, petrochemical, and food processing companies. The company was founded in 1911 and is headquartered in Houston, TX.

Deep Gulf Energy LP funds the development of gas and oil fields in the deepwater Gulf of Mexico. The company focuses on fields prone to subsea completions and tiebacks to host facilities with capacity for additional volumes. Deep Gulf Energy is located in Houston, TX.

Offshore Energy Center is a non-profit organization which engages in the promotion and awareness of energy resources. It offers tours, membership services, training courses, rental services, gift shops, and educational services. The organization is headquartered in Houston, TX.

Deep Gulf Energy II LLC provides geophysical, geological and other exploration services. The company was founded in 2007 and is headquartered in Houston, TX.

Loadmaster Derrick & Equipment, Inc. designs, fabricates, installs, inspects and repairs onshore and offshore derricks, masts and related equipment. Its products include derricks, masts, bridge rackers and accessories, casing stabbing boards, crowns, fingerboards and racking boards, rotating deadline anchor, well rite stabbing arm, hydraulic cathead, stand building crane, derrick mounted racking assistant and retract dollies. The company was founded in 1986 and is headquartered in Broussard, LA.

Rowan Drilling Co., Inc. provides oil and gas production drilling services. The company was founded on August 9, 2011 and is headquartered in Austin, TX.

Tripoint LLC engages in crude oil and gas exploration services. The private company is based in Houston, TX.

IOG Capital LP (IOG Capital) is a private equity firm founded in 2014 by Marcus C. Rowland. The firm is headquartered in Dallas, Texas.

United Production Partners LLC engages in the exploration and production of oil and natural gas. The company is headquartered in Dallas, TX.

Expanse Energy Solutions provides electrical infrastructure, automation and maintenance services and materials to the oil and gas and commercial and industrial industries. Its services include video surveillance, automation, remote monitoring, power line installation, well site and facility electrification, and electrical services. The company is headquartered in Houston, TX.

IOG Resources LLC operates as a non-classified establishment company. The company is headquartered in Dallas, TX.

Part of Brambles Ltd., Hoover Ferguson Group Ltd. is a British company that provides sustainable packaging and bulk container solutions for the storage and transportation of chemicals, catalysts, liquids, and other raw materials and ingredients across various industries. The company, founded in 2016, is based in Eastleigh, UK. Hoover CS offers a rental fleet of intermediate bulk containers (IBCs), ISO tanks, and catalyst bins that are reusable, leak-and-spill-proof, and return value while facilitating an optimized environmental footprint. The company also provides a variety of services for IBCs, ISO tanks, and catalyst bins, including tank cleaning and washing, reconditioning, un and DOT testing, recertification, restoration, and repair. The company supports ISOs with services such as bulk tank wash capabilities, repair and restoration, air testing, hydrotesting, and chassis inspection. Hoover CS is proud to be the leading supplier of containers, totes, and tanks for various industries, including industrial chemicals, base and specialty chemicals, industrial coatings and paint, food and beverage, refining and petrochemical, and pharmaceutical and cosmetic industries.

V SandCo LLC engages the provision of frac sand solutions for oil and gas companies. It specializes in mining, processing, transporting, and selling of silica sand. The company was founded by Gary Humphreys and Marty Robertson in 2017 and is headquartered in Forth Worth, TX.

TPC Phoenix Fuels LLC is engaged in oil and gas field exploration services. The company is headquartered in Dallas, TX.

Refuel, Inc. owns and operates gasoline stations with convenience stores. The company was founded by Mark Jordan on May 7, 2008 and is headquartered in Mount Pleasant, SC.

Part of HFG Investments Ltd., Hoover Ferguson Group Holdings Ltd. functions as an investment holding British company. The company is based in Eastleigh, UK and was founded in 2016.

Part of Brambles Ltd., HFG Finance Ltd. is an investment holding British company. The company is based in Eastleigh, UK. Founded in 2016, HFG Finance functions as an investment holding company.

Part of Brambles Ltd., HFG Investments Ltd. is a holding company based in Eastleigh, UK. Founded in 2016, the British company's subsidiaries engage in the rental, sales, and services of bulk containers.