HPQ and PyroGenesis Close 50/50 Ownership of HPQ Silica Polvere

MONTREAL, Sept. 29, 2026 (GLOBE NEWSWIRE) -- HPQ Silicon Inc. (“HPQ” or the “Company”) (TSX-V: HPQ, OTCQB: HPQFF, FRA: O08), a technology company driving innovation in advanced materials and critical process development, announces the completion of the previously announced transaction under which PyroGenesis Inc. (“PyroGenesis”) converted its 10% gross sales royalty into a 50% ownership interest in HPQ Silica Polvere Inc. (“HSPI”).