Northstar Completes Emission Reduction Alberta Construction Milestone and Receives $3.9 Million

CALGARY, AB, May 5, 2025 – Northstar Clean Technologies Inc. (TSXV: ROOF) (OTCQB: ROOOF) (“Northstar” or the “Company”) is pleased to announce that it successfully completed Milestone 2 requirements stipulated in the Emission Reduction Alberta (“ERA”) contribution agreement and received the resulting milestone payment totaling $3.9 million.