For Immediate Release. Vancouver, British Columbia, October 31, 2022. Mr. David Brett, President & CEO, Pacific Bay Minerals Ltd. (TSX Venture: PBM, “Pacific Bay” or the “Company”) reports that Helder Carvalho has resigned as Vice President of Corporate Development.

Pacific Bay has completed two diamond holes at the Atlin Goldfields Project (“the Property”) near the town of Atlin in northern British Columbia. The drilling encountered mineralization within the Property’s high grade Yellowjacket shear/vein system and assays are pending. Pacific Bay holds an option to acquire up to a 100% interest in the Property from Brixton Metals Inc.

Mr. Antonio Vespa, President & CEO, Pacific Bay Minerals Ltd. (TSX Venture: PBM, “Pacific Bay” or the “Company”) reports that diamond drilling has commenced at the Company’s Atlin Goldfields Project (“the Property”) near the town of Atlin in northern British Columbia.

Pacific Bay Minerals Ltd. (TSX Venture: PBM, “Pacific Bay” or the “Company”) is pleased to report that the Company has engaged Diamondhead Drilling Inc. for its upcoming drilling campaign expected to commence in September of 2022. Diamondhead has mobilized equipment to Yellowjacket Camp located within the Atlin Goldfields Property (the “Property”) and the Company’s management has been on site the last several weeks to initiate camp and exploration preparations.