MONTREAL, July 27, 2025 /CNW/ - Windfall Mining Group inc. (WMG), Canadian subsidiary of the global gold group Gold Fields Limited, announces today a series of key developments to support the advancement of the Windfall project and to strengthen its sustainable presence in Quebec. Set to become Canada's next major mining complex, the Windfall Project is located in the Eeyou Istchee James Bay territory in Québec, 115 km east of Lebel -sur-Quévillon. Second Series of Responses to COMEX and Update of Key Studies for the Advancement of the Windfall Project WMG confirms the continuation of the environmental assessment process through the submission of the second series of responses to COMEX questions. This revision reflects the company's ESG performance standards, adapted to Canadian and Quebec regulatory requirements.