Clean Air Metals Inc. announced new assay results from the 2022 drill campaign from both the Escape and Current PGE-Cu-Ni Deposits at the Company's Thunder Bay North Project near Thunder Bay, Ontario, Canada. New assay highlights from the Current deposit area includes: Metallurgical bulk sample Hole CLM22-007 (HQ core) which intersected 19.0m grading 3.92g/t Platinum (Pt), 3.90g/t Palladium (Pd), 0.98% Copper (Cu) and 0.56% Nickel (Ni) from 153.0m-172.0m downhole including 13.4m grading 5.06g/t Platinum (Pt), 5.14g/t Palladium (Pd), 0.98% Copper (Cu) and 0.56% Nickel (Ni) from 154.0-167.4m downhole, which supports the grade profile of the production area in Years 1-4 of the PEA mine plan; Metallurgical bulk sample Hole CLM22-008 (HQ core) which intersected 37.8m grading 2.91g/t Platinum (Pt), 2.80g/t Palladium (Pd), 0.70% Copper (Cu) and 0.39% Nickel (Ni) from 107.0m-144.8m downhole including 19.2m grading 4.25g/t Platinum (Pt), 4.14g/t Palladium (Pd), 0.99% Copper (Cu) and 0.55% Nickel (Ni) from 119.8-139.0m downhole. Metallurgical bulk sample Hole CLM22-010 (HQ core) which intersected 22.6m grading 2.33g/t Platinum (Pt), 2.17g/t Palladium (Pd), 0.62% Copper (Cu) and 0.41% Nickel (Ni) from 332.0m-354.6m downhole (Figure 2).Mineral resource endowment and are quoted pursuant the Preliminary Economic Assessment (the "PEA") set out in the technical report prepared by Nordmin Engineering Ltd. and titled "NI 43-101 Technical Report and Preliminary Economic Assessment for the Thunder Bay North Project, Thunder Bay, Ontario", effective December 1, 2021 and filed January 12, 2022.

Nordmin as QP utilized 2-year trailing average metal price assumptions1 for the updated mineral resource as a basis for the PEA.