Kenneth Alan Rubin

Bear, Stearns & Co., Inc. is a global investment banking, securities trading and brokerage firm located in New York City with additional offices in Dallas, Boston and San Francisco. The firm is a subsidiary Bear Sterns Cos., Inc. (NYSE: BSC). Their equity research team consists of senior analysts located throughout the world. In addition to domestic coverage, they have research teams focusing on Latin America, Asia and Europe. The analysts use a bottom-up approach to stock selection. The Bear Stearns fixed-income research department provides coverage of every sector of the fixed-income universe. The financial analytics and structured transactions group (F.A.S.T) provides investment research, fixed-income portfolio management and analytical systems, trading technology and general financial expertise. The group also provides a broad range of services to financial institutions including asset-liability management, balance sheet restructuring, receivables-based financing analysis, security and portfolio analysis, peer analysis, and historical and real-time market-based information.

Wexford Capital LP (Wexford) is an independent, SEC-registered investment advisor headquartered in West Palm Beach, Florida with additional office in Stamford, Connecticut. The firm was founded by Charles Davidson, Joseph Jacobs and Robert Holtz in 1994. Wexford provides investment advice to a variety of private pooled investment vehicles over which the firm has discretionary trading authority.

Rhino Resource Partners LP is a diversified coal producing limited partnership company, which focuses on coal and energy related assets and activities. It produces, processes and sells high quality coal of various steam and metallurgical grades from multiple coal producing basins in the U.S. It operates through the following four segments: Central Appalachia, Northern Appalachia, Rhino Western, and Illinois Basin. The Central Appalachia segment consists of Tug River and Rob Fork mining complexes. The Northern Appalachia segment comprises Hopedale mining complex, Sands Hill mining complex, and Leesville field. The Rhino Western segment includes the underground mine in the Western Bituminous region. The Illinois Basin segment covers the underground mine, preparation plant, and river loadout facility, a well as Taylorville field reserves. The company was founded on January 11, 2006 and is headquartered in Lexington, KY.

Weil, Gotshal & Manges provides its clients with legal services. The firm offers services to areas including consumer, financial, government and non-profit, health care, industrial, and technology. The company was founded by Claude Serra in 1931 and is headquartered in New York, NY.

Paul, Weiss, Rifkind, Wharton & Garrison LLP operates a law firm. Its practices include mergers and acquisitions, securities, public and private financing, investment funds, private equity, real estate, intellectual property, communications and technology, new media and the Internet, entertainment, employee benefits and executive compensation, personal representation, antitrust, environmental regulation, tax and bankruptcy, and corporate reorganization law. The company was founded in April 1875 is headquartered in New York, NY.

Wexford Capital Private Equity (Wexford Capital) is a private equity subsidiary of Wexford Capital LLC founded in 1994 by Charles Davidson and Joseph Jacobs. The firm is headquartered in Greenwich, Connecticut.

Rhino GP LLC owns and operates coal reserves. The company is headquartered in Greenwich, CT.

Mammoth Energy Partners LP provides oil and natural gas exploration services. The company was founded in February 2014 and is headquartered in Oklahoma City, OK.