PyroGenesis Canada Inc. announced that Mr. Vlasopoulos, a Director, and Chair of the Audit Committee, has tendered his resignation, taking effect April 27, 2018, and such has been accepted by the Chair, on behalf of the board. Alan Curleigh, Chair of the Board, has assumed interim responsibility as the Chair of the Audit Committee, effective immediately. Amongst his many other accomplishments, Mr. Curleigh has extensive experience with Corporate Governance and was Chair of a major Federal Crown Corporation for 7 years. Separately, Mr. Curleigh is a visiting Faculty Member at the Directors College, Canada's premiere governance college. Of further note, Mr. Curleigh has been PyroGenesis Chair of the Audit Committee since its inception up to, and including, last year.