Katherine Kokenes

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.

NATCO Group, Inc. provides equipment technology for oil & gas production and processing. Its services include construction & maintenance, manufacturing, operating & leasing engineer equipment and training. The company also provides equipment solutions including oil treating, separation, gas conditioning, water quality, measurement systems and automation & controls. NATCO Group was founded in 1926 and is headquartered in Houston, TX.

Grant Prideco, Inc. is engaged in drill pipe manufacturing. The firm provides engineered connections and premium tubular products that are used in oilfield exploration and development operations. The company was founded in April 2000 and is headquartered in Houston, TX.

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

Sidewinder Drilling LLC engages in the operation of land drilling rigs. It provides contract drilling services to exploration and production industries. The company was founded by Jon C. Cole in April 2011 and is headquartered in Houston, TX.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

4D Global Energy Advisors SAS is a Private Equity firm, a subsidiary of Société Générale SA founded in 2003 by Simon William Caines Eyers, Jérôme Halbout and Tighe Agen Noonan. 4D Global Energy Advisors is headquartered in Paris.

Scorpion Offshore Ltd. owns and operates a fleet of drilling rigs for the offshore oil and gas industry. The company was founded on April 22, 2005 and is headquartered in Hamilton, Bermuda.

New York State Bar Association is a non-profit organization, which provides legal services and offers a membership program for lawyers. It also publishes an array of books, bar journals, law digest, and State Bar news. The company was founded in 1876 and is headquartered in Alban, NY.

Socotherm SpA develops and markets metal products and external coating treatments. The firm's products include Plastykote and Plastykote. Its first product Plastykote is a thermoplastic coating applied to steel pipeline as anticorrosion protection and its mechanical resistance is a preference when there are risks of particularly severe coating damages. The company was founded in 1859 and is headquartered in Adria, Italy.

4D Global Energy Development Capital Fund II Plc is a private equity firm that invests in small to medium sized companies primarily located Europe but also worldwide. It makes investments ranging from $10 to $30 millions. It exclusively makes investments in companies operating in the oil and hydrocarbons sector with an enterprise value between $50 and $500 million. It takes a minority and majority stakes as well and board seats with a 3-5 years stakes holding period.

Permian Tank & Manufacturing, Inc. manufactures and supplies steel products. Its products include steel and fiberglass oil storage tanks, gun barrels, volumetric meter chambers, separators, and free water knockouts. The company was founded in 1976 and is headquartered in Odessa, TX.

ORS International Ltd. was founded in 2004 and provides integrated drilling and completion fluids services. The private company is based in East Grinstead, UK.

Finoil SpA provides financial services. The company is headquartered in Milan, Italy.

Dulevo International SpA manufactures of sweepers for commercial, industrial and urban cleaning. The firm's products include sweepers, street sweepers, street washers,and scrubbers. The company was founded in 1976 and is headquartered in Fontanellato, Italy.

4D Global Energy Development Capital Fund Plc invests in global small to medium size companies primarily located in Europe. The fund target companies with enterprise value ranging from US $50 to $500 million and operating in oil & gas industry across the hydrocarbons value chain. It includes the upstream (hydrocarbon production), midstream (logistics & processing), downstream (refining & marketing), technology and services. It provides financing for buyouts and development capital requirements with an investment size ranging from US $10 to $50 million. It acquires minority stakes and takes board representation. It also makes co-investments.

Jefferies LLC is a global investment bank and institutional securities firm headquartered in New York City. The firm was founded in 1962 and is a subsidiary of Jefferies Group LLC, ultimately held by Jefferies Financial Group, Inc. (NYSE: JEF). Jefferies provides corporate clients with research and execution services in equity, fixed income, and foreign exchange markets, as well as a full range of investment banking services such as underwriting, mergers and acquisitions, restructuring and recapitalization, and other advisory services, with all businesses operating in the Americas, Europe and Asia.

Oaktree Capital Management LP (Oaktree) is a SEC-registered investment advisor and hedge fund manager headquartered in Los Angeles, California. The firm was founded by Howard Marks, Bruce Karsh, and Sheldon Stone in 1995 as an LLC and was reorganized as an LP in 2007. They are a subsidiary of Oaktree Capital Management GP LLC, ultimately held by Brookfield Corp. (NYSE, TSE: BN) in Canada. Oaktree provides advisory services to clients with separately managed accounts and to private limited partnerships and other pooled investment vehicles for which either Oaktree or an affiliate acts as general partner and/or investment manager. The firm is a socially responsible investor and a signatory to the United Nations Principles for Responsible Investment (UNPRI).

Consultors SARL is a provides integrated drilling fluids services, waste management services and equipment. Its services include drilling fluids services and oilfield waste management. The company was founded by Alain Mihelic and Zahi Kattar in 1993 and is headquartered in Paris, France.

Aladdin Middle East Ltd. explores and produces oil and natural gas. The company was founded by George H. Bruce, Oyman Sayer and Robert Bruce in 1961 and is headquartered in Wichita, KS.

The TCW Group, Inc. provides investment management services. The firm's clients include corporate and public pension plans, financial institutions, endowments and foundations in the United States, as well as a number of foreign investors and individuals. It works in partnership with financial advisors to help build the businesses and meet the needs of clients. The company was founded by Robert Addison Day in 1971 and is headquartered in Los Angeles, CA.

4D Global Energy Investments PLC is a private equity fund that invests in small and mid-market companies, operating in the field of hydrocarbons value chain. The fund usually invests in companies with an entreprise value between US$25 and US$300 million primarily located in Europe but also worldwide. It makes investments ranging from US$10 to US$50 million. It takes minority stake and board seats.

Voyager Aviation Holdings LLC engages in the leasing and financing of commercial aircrafts. The firm offers services that include leasing of new aircraft ordered by Intrepid Aviation, sale-leasebacks financing of new or young aircraft and aircraft trading. The company was founded in 1992 by Ron Anderson and is headquartered in Stamford, CT.

Founded in 2000, Cowen Securities LLC is an SEC registered broker/dealer located in New York City. The firm is a subsidiary of Cowen Group, Inc. (NYSE: COWN), a New York City-based diversified financial services and investment banking firm that was formed in 1918. In conjunction with their affiliated company, Cowen & Co., they cover over 700 companies in the following industries: energy, metals & mining, precious metals & mining, chemicals, transportation and marine transportation.

Service Corp. of Retired Executives provides retirement services. The company is headquartered in the United States.

NCS Multistage LLC provides downhole tool-based fracturing and well stimulation services to the oil and gas industry. The firm offers coiled tubing fracturing, fracturing systems, liner hangers, casing buoyancy system, and reservoir strategies services. The company was founded by Robert Nipper and Marty Stromquist in 2008 and is headquartered in Houston, TX.

Barclays Capital, Inc. is a registered broker/dealer headquartered in New York City. The firm was founded in 1997 and is a subsidiary of Barclays Group US, Inc., ultimately owned by Barclays plc (LON: BARC) in Great Britain. Barclays Capital provides large corporate, government and institutional clients a full spectrum of prime brokerage services which includes equities and fixed income financing, OTC Clearing, Futures and Foreign Exchange Prime Brokerage and access to industry insights and analytics from their Strategic Consulting team.