SAGUENAY, QUEBEC – (October 6, 2025) – Arianne Phosphate (the “Company” or “Arianne”) (TSX VENTURE: DAN; OTCQX: DRRSF; FRANKFURT: JE9N), a development-stage phosphate mining company, advancing the Lac à Paul project in Quebec’s Saguenay-Lac-Saint-Jean region, is pleased to announce that the Government of Canada has conditionally approved the Company for a grant of up to $735,000 for the advancement of its work on purified phosphoric acid (“PPA”). Pending final due diligence, the funding will be provided through Natural Resources Canada’s Critical Minerals Research, Development and Demonstration (CMRDD) program and is part of an $80.3 million investment announced by Prime Minister Carney at the 2025 G7 Leaders’ Summit to help build reliable critical minerals supply chains in Canada. The announcement was made on Saturday, October 4, by the Honourable Tim Hodgson, Minister of Energy and Natural Resources. Minister Hodgson said that “by investing in projects like Arianne Phosphate’s Technology Centre, we are strengthening Canada’s leadership in critical minerals and building a cleaner, more secure future — furthering the goals spelled out at the G7 in Kananaskis. This investment not only supports innovation, supply chain security and good jobs here at home, it also ensures we are leveraging our natural resources to