Northstar Clean Technologies Inc. announced that on January 20, 2023, the landlord for Northstar's site for its planned scale-up facility (the "Empower Calgary Facility") near Calgary, Alberta received a conditional development permit (the "Conditional DP") from Rocky View County, a municipal district in Alberta adjacent to the City of Calgary. The Conditional DP was issued to the Mook Group of Companies, the Company's landlord for the Empower Calgary Facility and includes standard conditions that need to be completed prior to issuance of a development permit. The Company will provide an update to the market when the conditions have been met by the Mook Group of Companies and the Company.

The Company is not aware of any additional municipal permits required once the development permit is issued to the Mook Group of Companies before it can proceed with construction, collection of asphalt shingles, and production at the Empower Calgary Facility. The site selected for the Empower Calgary Facility is an industrial zoned property of 3.98 acres located in Rocky View County, near Calgary, Alberta. The 125m x 125m site is strategically located just outside of metropolitan Calgary, easily accessed 4.4km southeast of the City of Calgary East Landfill.