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Management

David Lemieux

David Lemieux

President & Chief Executive Officer

dlemieux@dundeetechnologies.com

Mr. Lemieux is a chemical engineer. He has graduated from the University of Sherbrooke and has many years of experience in industry and process development. He has worked for five years as project manager in the energy sector and served as director of engineering for OLEOTEK, a research center specialized in biofuels. His experience includes development of innovative hydrometallurgical processes for the mining industry. He participated closely in the development of the Corporation’s technologies at laboratory and pilot plant level. He is also co-inventor of several patents of the Corporation. He is currently pursuing a MBA program in business administration.

Arved Marin

Arved Marin

Chief Financial Officer

Mr. Arved Marin is a Chartered Professional Accountant (CPA, CMA) with over 10 years experience in the minerals industry. Mr. Marin was the Corporate Controller of Creso Exploration until its acquisition by the Corporation in April 2014 and he held this position until his appointment as Chief Financial Officer (CFO). Mr. Marin has served as Corporate Controller of several public companies in the minerals industry having operations in Canada and Latin America and has served as interim CFO of Dia Bras Exploration during 2009. Previously, Mr. Marin worked for 6 years as a financial auditor, Assurance and Advisory Services at PricewaterhouseCoopers. Mr. Marin is a graduate of Concordia University.

Jean-Philippe Mai

Jean-Philippe Mai

Vice-President Business Development

jpmai@dundeetechnologies.com

Mr. Mai holds a Bachelor of Science in Geology from the University of Quebec in Montreal (“UQAM”) and has 15 years’ experience in the mining industry as an exploration geologist, senior project manager and executive in coal, base metals and gold projects in Canada, Australia and South America. Mr. Mai has been the Senior Geologist of DST since January 2013, and with strong business oriented, geochemistry, gold metallurgy and processing skills, he has been a key player in the development of the Corporation’s ongoing and future projects. Mr. Mai is a Professional Geologist and a member, in good standing, of l’Ordre des Géologues du Québec (“OGQ”).

Patricia Osorio

Patricia Osorio

Corporate Secretary

legal@dundeetechnologies.com

Ms. Osorio, an accredited Colombian lawyer, has over 10 years experience in corporate governance and statutory requirements in the mining industry in Canada. Ms. Osorio has managed business relations and supported several transactions such as IPOs, private placements, subsidiaries incorporation and acquisition and sale of assets, among others. Prior to assuming her role as Corporate Secretary, she acted as Assistant Secretary Treasury of the Corporation.

Jean Tardif

Jean Tardif

General Manager

jtardif@dundeetechnologies.com

Mr. Tardif holds a Bachelor of Materials Engineering and Metallurgy at Laval University, obtained in 1996. He has more than fifteen years experience in the field of extractive metallurgy and has held various positions as a plant engineer and plant manager. He also participated in the scale-up and implementation of a new metallurgical process on an industrial scale.