Northstar Releases Empower Calgary Facility Construction & Commissioning Video Series Episode #5: First Stage Processing Fully Commissioned

CALGARY, AB, April 21, 2025 – Northstar Clean Technologies Inc. (TSXV: ROOF) (OTCQB: ROOOF) (“Northstar” or the “Company”) is pleased to release the fifth episode in its construction and commissioning update video series for its inaugural asphalt shingle reprocessing facility in Calgary, Alberta (the “Empower Calgary Facility” or the “Facility”).