PyroGenesis Provides 90-Day Cancellation Notice to EarthGrid

Tunneling-related projects can now proceed with other potential clients after 90 days. MONTREAL, Dec. 23, 2025 (GLOBE NEWSWIRE) -- PyroGenesis Inc. (“PyroGenesis”) (TSX: PYR) (OTCQX: PYRGF) (FRA: 8PY1), the leader in ultra-high temperature processes and engineering innovation, and a plasma-based technology provider to heavy industry & defense, announces today that is has provided a 90-day notice to EarthGrid that PyroGenesis will end the exclusivity arrangement and cancel the existing master agreement with ...