Northstar Clean Technologies Inc. announced that it has commenced detailed engineering design for its planned asphalt shingle reprocessing facility in Calgary, Alberta, alongside its engineering contractor BBA Engineering Ltd. Detailed engineering design is an advanced level of engineering work to finalize the process, equipment, and specifications to be included in the Empower Calgary Facility. As previously announced by the Company on May 30, 2023, the Company has completed all prerequisite milestones required to commence detailed engineering design. The Company also expects to begin procurement of long-lead equipment in the coming weeks.

Following the completion of detailed engineering design, the Company will move into construction of the modules for the Empower Calgary Facility, which is fully funded and recently completed site development, as announced by the Company on September 27, 2023. The detailed engineering design will include the following key deliverables: Final piping & instrumentation diagrams. Plant layout plan. Issued for construction drawings.

Tender packages for equipment procurement. Assembly plans. Commissioning procedures.

As part of the detailed engineering design process, the project has completed initial detailed engineering design review with BBA, as well as a review by each of TAMKO Building Products LLC ("TAMKO") and McAs asphalt Industries Inc., and certain other experts to ensure the design meets the requirements of all stakeholders and incorporates best practices.