CLYNTON R. NAUMAN Chairman and Chief Executive Officer

Mr. Nauman brings over 35 years of diversified experience in the mineral industry, ranging from exploration and business development to operations and business management in the precious metals, base metals and coal sectors. Mr. Nauman is also currently the CEO of Asset Liability Management Group, and was General Manager of Kennecott Minerals from 1993-1998 and the President and CEO of Viceroy Resource Corporation from 1998-2002. Mr. Nauman holds a B.Sc. in geology.

BRAD A. THRALL President

Mr. Thrall brings over 25 years of experience and accomplishments in mine operations management, environmental management and mine-closure planning and execution. Mr. Thrall has held a number of operations management positions with Viceroy Resource Corporation, Barrick Gold and Goldcorp and is also currently the President of Asset Liability Management Group. Mr. Thrall holds a B.Sc. in Metallurgical Engineering from South Dakota School of Mines and Technology and an MBA from the University of Colorado.

MICHAEL CLARK, CPA, CA Chief Financial Officer & Company Ethics Officer

Mr. Clark is a Canadian qualified Chartered Professional Accountant with over fourteen years of experience, including ten years in senior financial roles within the junior mining sector. Prior to joining Alexco in December 2014, he was with Goldgroup Mining for five years, and held the position of Chief Financial Officer. Mr. Clark also serves on the Board of the Burnaby Hospital Foundation.

GORDON WONG, CPA, CA Vice President, Finance

Mr. Wong brings over 18 years of diversified finance and accounting experience, ranging from middle market mergers and acquisitions to audit and financial planning and analysis. Mr. Wong is a Chartered Professional Accountant and prior to joining Alexco in 2010, articled at Deloitte Touche LLP where he also specialized in middle market corporate finance and transaction services. Mr. Wong holds a Bachelor of Commerce degree specializing in Finance from the University of British Columbia.

WAYNE ZIGARLICK Vice President Operations - General Manager

Mr. Zigarlick joined Alexco in 2019 as Vice President Operations and General Manager and is responsible for the advancement of the Keno Hill mine towards development and into production. He brings over 30 years’ experience in mine operations and has held several senior management positions as Plant Metallurgist, Mill Foreman, Mill Manager, and General Manager for several large mining companies such as Echo Bay Mines, Kinross Gold and Coeur Mining. Prior to joining Alexco, Mr. Zigarlick was General Manager for the Kensington and Silvertip mines in Alaska and Northern BC, respectively. He holds a B.Sc. in Biology from the University of Lethbridge.

Paul Jones
Paul Jones Sr. VP Corporate Development

Mr. Jones has nearly 20 years experience in the mining sector in a variety of roles. Prior to joining Alexco in September 2020, he was Senior Vice President of Corporate Development for Alio Gold, where he played a leading role in the development and execution of a corporate turnaround strategy, which ultimately culminated in a merger with Argonaut Gold. Previously, he worked for more than 5 years with an intermediate copper producer in operations, financial planning and analysis, investor relations, and business development. Earlier in his career, he was an investment banker focussed on M&A advisory for the mining and metals space.

Mr. Jones is currently the Chair of the non-profit Vancouver International Marathon Society (RunVan). He has a Bachelor of Commerce degree from the University of British Columbia.