Northstar Announces Closing of $3.6 Million in Funding for Transition to Commercial Operations and Future Facility Business Development

CALGARY, AB – July 28, 2025 – Northstar Clean Technologies Inc. (TSXV: ROOF, OTCQB: ROOOF) (“Northstar” or the “Company”) is pleased to announce the closing of a non-brokered private placement of 11,926,664 units of the Company (each, a “Unit”) at a purchase price of $0.30 per Unit for aggregate gross proceeds of approximately $3.6 million (the “Financing”) to transition the Company to commercial operations and fund ongoing business development efforts for Hamilton and the first US site.