Dundee Sustainable Technologies Inc. Resignation of a Director

MONTREAL, QUEBEC, February 17, 2015 – Dundee Sustainable Technologies (“DST” or the “Corporation”) (CSE: DST), announces the resignation of Dr. Jean-Marc Lalancette, a cofounder of the Corporation, as director and officer of the Corporation.

Dr. Lalancette is retiring after a successful career not only in academia at the University of Sherbrooke but as well in the industrial world where many technologies which he developed are still current and in use today. The Board and Management express their appreciation to Dr. Lalancette for his most valuable contribution to the development of the Corporation and wish him well in his retirement.

Dr. Lalancette was key in the development of the Corporation’s sustainable technologies, namely the hydrometallurgical processes for the extraction of base and precious metals. Dr. Lalancette will remain as consultant to the Corporation.