SAGUENAY, QUEBEC – (December 11, 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 Company has confirmed with the Government of Quebec that its Ministerial Decree will remain valid for two years while the process to extend the decree is underway. Obtained in December of 2015, Arianne’s Lac à Paul project received approval from the Government of Quebec for the project’s development, with the initial authorization period valid for 10 years. Subsequently, on May 28, 2025, the Quebec Government adopted Bill 81, which amended various regulations surrounding the permitting process and accompanying environmental provisions on a go-forward basis for Quebec mining projects. In 2024, Arianne’s management began discussions with the Ministry of the Environment (the “Ministry”) regarding the extension of its permit and has already submitted several of the required studies for its extension. “The validity of our permit is a key component for the Company and its stakeholders,” said Raphael Gaudreault, COO of Arianne Phosphate. “Further, this extension provides the industry and potential partners with the comfort they need to advance the