Charles C. Ungurean has served as President and Chief Executive Officer and a member of the board of directors of our general partner since its formation in August 2007. In 1985, Mr. Ungurean co-founded our predecessor and wholly owned subsidiary, Oxford Mining Company. He served as President and Treasurer of our predecessor from 1985 to August 2007. Mr. Ungurean currently serves on the board of directors of the National Mining Association. In addition, Mr. Ungurean served as Chairman of the Ohio Coal Association from July 2002 to July 2004. Mr. Ungurean received a B.A. in general studies from Ohio University and is a Certified Surface Mine Foreman in Ohio.

Jeffrey M. Gutman has served as Senior Vice President, Chief Financial Officer and Treasurer of our general partner since April 2008. Prior to joining us, from 1991 to March 2008, Mr. Gutman served in a number of positions with The Williams Companies, Inc., an integrated natural gas company based in Tulsa, Oklahoma. His positions at the Williams Companies included Director of Capital Services from February 1998 to April 2000, Director of Structured Finance from April 2000 to December 2002, Chief Financial Officer of Gulf Liquids, a wholly owned subsidiary of the Williams Companies, from December 2002 to December 2005, Director of Planning & Market Analysis from April 2005 to February 2008, and Commercial Development from December 2005 until joining our general partner in April 2008. Prior to joining the Williams Companies, Mr. Gutman was with Deloitte & Touche, LLP in its Tulsa office. Mr. Gutman is a certified public accountant in Oklahoma and holds a B.S. in Business Administration in Accounting from Oklahoma State University.

Gregory J. Honish has served as Senior Vice President, Operations of our general partner since March 2009. Mr. Honish has served in other capacities with us and our predecessor since January 1999, including Vice President, Mining and Business Development from September 2007 to March 2009 and Senior Mining Engineer from January 1999 to September 2007. Mr. Honish has held a balanced spectrum of engineering, operations and management positions in the coal mining industry during his 30 year professional career at mines in Northern Appalachia, Central Appalachia, the Illinois Basin and the Powder River Basin. He is a Licensed Professional Engineer in Ohio and West Virginia and a Certified Surface Mine Foreman in Ohio and Wyoming. Mr. Honish holds a B.S. in Mining Engineering from the University of Wisconsin.

Thomas T. Ungurean has served as Senior Vice President, Equipment, Procurement and Maintenance of our general partner since March 2010, prior to which he was Vice President of Equipment from August 2007 to February 2010. In 1985, Mr. Ungurean co-founded our predecessor and wholly owned subsidiary, Oxford Mining Company. Since then he served in various capacities with our predecessor, including Vice President and Secretary from September 2000 to August 2007.

Daniel M. Maher has served as Senior Vice President and Chief Legal Officer of our general partner since August 2010 and Secretary of our general partner since December 2010. Mr. Maher was a partner in the Columbus, Ohio office of the international law firm of Squire, Sanders & Dempsey L.L.P. from March 1988 to December 2010 and prior thereto he was an associate and then partner with the predecessor firm to Squire Sanders from June 1972. He is a licensed attorney in Ohio with more than 38 years of experience in representing various clients in corporate, financial, merger and acquisition, contractual, real property, litigation and other legal matters. Mr. Maher received a J.D. from the University of Virginia and a B.S. from the United States Merchant Marine Academy.

Michael B. Gardner has served as Vice President – Legal and General Counsel – Regulatory/Environmental of our general partner since June 2011, and as Assistant Secretary of our general partner since December 2010. Before that, he served as General Counsel and Assistant Secretary of our general partner from December 2010, and as General Counsel and Secretary of our general partner from September 2007 until December 2010. Prior to joining us, from June 2004 until May 2007, Mr. Gardner served as Associate General Counsel of Murray Energy Corporation, the largest privately-owned coal mining company in the United States. While at Murray Energy, Mr. Gardner served as an officer of several Murray Energy subsidiaries, including Vice President of UMCO Energy, Inc. and Secretary of UMCO Energy, Inc., Maple Creek Mining, Inc., Maple Creek Processing, Inc., The Ohio Valley Coal Company, The Ohio Valley Transloading Company, Ohio Valley Resources, Inc., and Sunburst Resources, Inc., and represented these entities in a variety of corporate, financial, real property, labor, litigation, environmental, health, safety, governmental affairs and public relations matters. Mr. Gardner is a licensed attorney in Ohio with more than 30 years of experience in the coal industry and in environmental regulatory compliance management. He serves on the Boards of Directors of the Ohio Coal Association and the Kentucky Coal Association. He also serves as a trustee on the Energy and Mineral Law Foundation Governing Member Organization for the Ohio Coal Association and as Chairman of the Legal Committee of the Kentucky Coal Association. Gardner received a J.D. from Case Western Reserve University, an MBA from Ashland University and a B.S. in Environmental Biology from Ohio University.

Denise M. Maksimoski has served as Senior Director of Accounting of our general partner since December 2009, prior to which she was Director, Financial Reporting and General Accounting from August 2008 to December 2009. Prior to joining us, from 1997 to 2008 Ms. Maksimoski was with Deloitte & Touche, LLP in Washington, D.C. and Columbus, Ohio in various positions including most recently as an Audit Senior Manager from August 2005 to August 2008 and as an Audit Manager from August 2003 to August 2005. While at Deloitte, Ms. Maksimoski gained extensive SEC reporting experience through leading large audit teams on public clients primarily in the energy and financial services industries. Ms. Maksimoski is a certified public accountant in the states of Ohio, Maryland and Virginia and in the District of Columbia. She received a B.A. degree in Accounting and Actuarial Studies from Thiel College.