Mr Burt have more than 30-years experience in the global mining and finance industries in both executive management roles and serving on several boards. From 2005 to 2012, Mr. Burt held the role of President and CEO of Kinross Gold Corporation. Prior to joining Kinross Gold, Mr. Burt held the position of Vice Chairman and Executive Director of Corporate Development at Barrick Gold Corporation. Other previous positions include: Chairman, Deutsche Bank Canada and Deutsche Bank Securities Canada; global Managing Director, global metals and mining for Deutsche Bank AG; and Managing Director and Co-head of the global mining group at BMO Nesbitt Burns. Mr Burt is a member of the Audit Safety and Risk Committee.

Mr Tochilin is a Managing Director at Centerbridge Partners, L.P., a major shareholder in the Company. Centerbridge Partners, L.P. manages approximately $29 billion of assets with a focus on credit, special situations, and private equity. Prior to joining Centerbridge Partners, L.P., Mr. Tochilin was an Associate at TPG-Axon Capital Management in New York and London and a Business Analyst in McKinsey's Corporate Finance Practice in New York.

Mr Olsen served as Chief Commercial Officer for Rio Tinto's Iron & Titanium business since 2010. Prior to that time, he was Chief Financial Officer for Rio Tinto's Borax and Minerals divisions for approximately eight years and held other financial roles at Rio Tinto. Mr. Olsen's experience also includes financial roles at General Chemical Corporation and Xerox Corporation in the United States.

Mr Sheahan is a Managing Director in Ares Management, where he focuses on special situations investing. Prior to joining Ares in 2010, he was a Senior Analyst and the Head of the Los Angeles office at Silver Point Capital, L.P. Previously, Mr. Sheahan was a Vice President at the Trust Company of the West, where he gained experience on distressed investments and restructurings. In addition, he was a member of the Investment Banking Group at Donaldson, Lufkin & Jenrette Securities Corporation.

Mr McDougal is the Chair of the Company's Audit, Safety and Risk Committee. He has also held several international company senior finance positions including Chief Financial Officer positions.

Mr Truong is a financial executive and Senior Managing Director at Centerbridge Partners, L.P. He joined Centerbridge in 2010 and focuses on investments across a range of industries. Previously, Mr Truong held executive positions at Fortress Investment Group and Lehman Brothers.

Mr Engstrom has more than 30 years of senior management experience at Swedish mining and industrial companies. He is currently the Chairman of the Board of Botnia Exploration Holding AB and Orebro Hockey Club as well as a board member of Samhall AB, Normet Group Oy, and Alcadon Group. During his career, he held executive positions with Sandvik, BE Group, Munters AB, Atlas Copco, and Seco Tools.

Mr McDonnell has over 25 years of experience in the construction equipment rental industry. He spent more than 20 years with United Rentals in several senior management sales and operational roles, and most recently served as Executive Vice President and Chief Commercial Officer. Mr. McDonnell joined United Rentals through the acquisition of D&E Steel Plate Rental.

Mr Schulz has more than 30 years of mining and construction experience. Since 2013, he has been Group Chief Executive Officer of FLSmidth. Previously, he held several leadership positions at Sandvik and Svedala.

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