Dundee Sustainable Technologies Inc. Appointment of Chairman Emeritus

MONTREAL, QUEBEC, April 29, 2015 – Dundee Sustainable Technologies Inc. (“DST” or the “Corporation”) (CSE: DST) is pleased to announce, by unanimous resolution of the Board of Directors, the appointment of Dr. Jean-Marc Lalancette as Chairman Emeritus of the Corporation. Dr. Lalancette holds a Ph.D. (Chemistry) from Université de Montréal (1960). He is a professor Emeritus of the Université de Sherbrooke and the author of more than 100 patents related to mineral chemistry and problem solving in environmental science. His contributions have been acknowledged by several awards, including the Manning Award in 1985 for the development of a safer form of asbestos. Dr. Lalancette is the author of DST’s technology and served as director and Vice-President of Research and Development of DST since its incorporation and until February 1, 2015. Dr. Lalancette announced his semi-retirement and resigned as director and officer of the Corporation earlier this year but keeps an active role in the development of DST technologies and the Corporation wishes to acknowledge his invaluable contribution.