PyroGenesis Canada Inc (PYRGF)

[Flanker100]

MONTRÉAL, QUÉBEC--(Marketwired - April 25, 2017) - HPQ Silicon Resources Inc ("HPQ") (TSX VENTURE:HPQ)(FRANKFURT:UGE)(OTC PINK:URAGF) would like to inform its shareholders of the following significant advances in its Purevap™ project with strategic partner PyroGenesis Canada Inc ("PyroGenesis").

Work is now transitioning from bench scale testing to Pilot Plant, as PyroGenesis approaches completion of phase 1 of the Process Characterization phase. Bench scale testing will continue and overlap with the start of equipment purchase and assembly of the Pilot Plant. The purpose of the Process Characterization bench scale work is threefold: Determine the best and most efficient way to scale up the PUREVAP™ QRR process