Board Committees

Mr. Plaumann has served as one of our directors since June 2025. Mr. Plaumann is currently a Managing Member of Greyhawke Capital Advisors LLC, or Greyhawke, which he co-founded in 1998. Prior to founding Greyhawke, Mr. Plaumann was a Senior Vice President of Wexford Capital LP. Mr. Plaumann was formerly a Managing Director of Alvarez & Marsal, Inc. and the President of American Healthcare Management, Inc. He also was Senior Manager at Ernst & Young LLP. Mr. Plaumann served as a director and audit committee chairman for ICx Technologies, Inc. from 2006 until 2010, served as a director and a member of the audit and compensation committees of Republic Airways Holdings, Inc. from 2002 until 2017 and currently serves as a director of several private entities. Mr. Plaumann currently serves as a director of Diamondback Energy, Inc. and a member of its audit committee. Mr. Plaumann served as a director, an audit committee chairman and a member of the conflicts committee of the general partner of Rhino Resource Partners LP, a coal operating company, from 2010 until 2016. Mr. Plaumann holds an M.B.A. and a B.A. in Business Administration from the University of Central Florida, where he currently serves on the Foundation Board and the Dean’s Advisory Board for the College of Business.

Dr. Corey Booker has served as one of our directors since August 2020. Dr. Booker is a maternal-fetal medicine specialist who focuses on high risk pregnancies. He is founder/CEO of OnPulse, a company that helps employers manage their healthcare expenditures while improving their employee outcomes. He also serves on the Board of Trustees for HarborPath, Inc., a non-profit patient assistance program, and on the Board of Trustees for Trinity School of Durham and Chapel Hill, an independent school for students in grades K through 12.

Dr. Booker attended the University of Maryland, College Park where he received a Bachelor of Science in Neurobiology and Physiology. He attended medical school at Creighton University where he served as a Washington Health Policy Fellow at the National Committee for Quality Assurance (NCQA). He completed his residency at Penn State Milton S. Hershey Medical School and went on to complete a fellowship in Maternal Fetal Medicine at the University of North Carolina at Chapel Hill. While in fellowship, he received a master’s degree in Clinical Informatics from the Fuqua School of Business at Duke University.

Mr. Palm has served as one of our directors since June 2017. Mr. Palm most recently served as a director of Gulfport Energy Corporation (“Gulfport”) from February 2006 and as Chief Executive Officer of Gulfport from December 2005, in each case until his retirement in February 2014.

Prior to joining Gulfport, Mr. Palm pursued oil and gas investments primarily in Oklahoma, the Texas Panhandle and Kansas as the manager and owner of Crescent Exploration, LLC, a company he founded in 1995. Mr. Palm previously served as a member of the Industry Advisory Committee of the Oklahoma Corporation Commission. From October 2001 through October 2003, Mr. Palm served as the Chairman of the Oklahoma Energy Resources Board. From 1997 through 1999, Mr. Palm served as the President of the Oklahoma Independent Petroleum Association.

Mr. Palm received a Bachelor of Science degree in Mechanical Engineering in 1968, and a Masters in Business Administration in 1971, both from Oklahoma State University.

Mr. Amron has served as one of our directors since January 2019. Mr. Amron is a partner and the general counsel at Wexford Capital where he is responsible for all internal legal and securities compliance matters. He joined the firm in 1994 and has been active in various private equity matters, particularly in the bankruptcy and restructuring areas, and has served on the boards and creditors’ committees of a number of public and private companies in which Wexford has held investments. Mr. Amron has served on the board of directors of Nephros, Inc. (OTCQB Marketplace: NEPH), a commercial-stage medical device and commercial products company, since September 2007. Mr. Amron also served on the board of directors of the general partner of Rhino Resource Partners LP (NYSE: RNO) from January 2010 until March 2016.

Prior to joining Wexford Mr. Amron was an Associate at Schulte Roth & Zabel LLP, from 1991-1994, specializing in corporate and bankruptcy law. From 1984-1991, Mr. Amron was an Associate at Debevoise & Plimpton LLP specializing in corporate litigation and bankruptcy law.

Mr. Amron holds a JD from Harvard University, a BA in political theory from Colgate University and is a member of the New York Bar.

Mr. Palm has served as one of our directors since June 2017. Mr. Palm most recently served as a director of Gulfport Energy Corporation (“Gulfport”) from February 2006 and as Chief Executive Officer of Gulfport from December 2005, in each case until his retirement in February 2014.

Prior to joining Gulfport, Mr. Palm pursued oil and gas investments primarily in Oklahoma, the Texas Panhandle and Kansas as the manager and owner of Crescent Exploration, LLC, a company he founded in 1995. Mr. Palm previously served as a member of the Industry Advisory Committee of the Oklahoma Corporation Commission. From October 2001 through October 2003, Mr. Palm served as the Chairman of the Oklahoma Energy Resources Board. From 1997 through 1999, Mr. Palm served as the President of the Oklahoma Independent Petroleum Association.

Mr. Palm received a Bachelor of Science degree in Mechanical Engineering in 1968, and a Masters in Business Administration in 1971, both from Oklahoma State University.

Mr. Plaumann has served as one of our directors since June 2025. Mr. Plaumann is currently a Managing Member of Greyhawke Capital Advisors LLC, or Greyhawke, which he co-founded in 1998. Prior to founding Greyhawke, Mr. Plaumann was a Senior Vice President of Wexford Capital LP. Mr. Plaumann was formerly a Managing Director of Alvarez & Marsal, Inc. and the President of American Healthcare Management, Inc. He also was Senior Manager at Ernst & Young LLP. Mr. Plaumann served as a director and audit committee chairman for ICx Technologies, Inc. from 2006 until 2010, served as a director and a member of the audit and compensation committees of Republic Airways Holdings, Inc. from 2002 until 2017 and currently serves as a director of several private entities. Mr. Plaumann currently serves as a director of Diamondback Energy, Inc. and a member of its audit committee. Mr. Plaumann served as a director, an audit committee chairman and a member of the conflicts committee of the general partner of Rhino Resource Partners LP, a coal operating company, from 2010 until 2016. Mr. Plaumann holds an M.B.A. and a B.A. in Business Administration from the University of Central Florida, where he currently serves on the Foundation Board and the Dean’s Advisory Board for the College of Business.

Mr. Palm has served as one of our directors since June 2017. Mr. Palm most recently served as a director of Gulfport Energy Corporation (“Gulfport”) from February 2006 and as Chief Executive Officer of Gulfport from December 2005, in each case until his retirement in February 2014.

Prior to joining Gulfport, Mr. Palm pursued oil and gas investments primarily in Oklahoma, the Texas Panhandle and Kansas as the manager and owner of Crescent Exploration, LLC, a company he founded in 1995. Mr. Palm previously served as a member of the Industry Advisory Committee of the Oklahoma Corporation Commission. From October 2001 through October 2003, Mr. Palm served as the Chairman of the Oklahoma Energy Resources Board. From 1997 through 1999, Mr. Palm served as the President of the Oklahoma Independent Petroleum Association.

Mr. Palm received a Bachelor of Science degree in Mechanical Engineering in 1968, and a Masters in Business Administration in 1971, both from Oklahoma State University.

Mr. Amron has served as one of our directors since January 2019. Mr. Amron is a partner and the general counsel at Wexford Capital where he is responsible for all internal legal and securities compliance matters. He joined the firm in 1994 and has been active in various private equity matters, particularly in the bankruptcy and restructuring areas, and has served on the boards and creditors’ committees of a number of public and private companies in which Wexford has held investments. Mr. Amron has served on the board of directors of Nephros, Inc. (OTCQB Marketplace: NEPH), a commercial-stage medical device and commercial products company, since September 2007. Mr. Amron also served on the board of directors of the general partner of Rhino Resource Partners LP (NYSE: RNO) from January 2010 until March 2016.

Prior to joining Wexford Mr. Amron was an Associate at Schulte Roth & Zabel LLP, from 1991-1994, specializing in corporate and bankruptcy law. From 1984-1991, Mr. Amron was an Associate at Debevoise & Plimpton LLP specializing in corporate litigation and bankruptcy law.

Mr. Amron holds a JD from Harvard University, a BA in political theory from Colgate University and is a member of the New York Bar.

Mr. Plaumann has served as one of our directors since June 2025. Mr. Plaumann is currently a Managing Member of Greyhawke Capital Advisors LLC, or Greyhawke, which he co-founded in 1998. Prior to founding Greyhawke, Mr. Plaumann was a Senior Vice President of Wexford Capital LP. Mr. Plaumann was formerly a Managing Director of Alvarez & Marsal, Inc. and the President of American Healthcare Management, Inc. He also was Senior Manager at Ernst & Young LLP. Mr. Plaumann served as a director and audit committee chairman for ICx Technologies, Inc. from 2006 until 2010, served as a director and a member of the audit and compensation committees of Republic Airways Holdings, Inc. from 2002 until 2017 and currently serves as a director of several private entities. Mr. Plaumann currently serves as a director of Diamondback Energy, Inc. and a member of its audit committee. Mr. Plaumann served as a director, an audit committee chairman and a member of the conflicts committee of the general partner of Rhino Resource Partners LP, a coal operating company, from 2010 until 2016. Mr. Plaumann holds an M.B.A. and a B.A. in Business Administration from the University of Central Florida, where he currently serves on the Foundation Board and the Dean’s Advisory Board for the College of Business.