Arianne Phosphate Executes Joint Venture Framework Agreement with Travertine Technologies

SAGUENAY, Quebec, June 02, 2026 (GLOBE NEWSWIRE) -- Arianne Phosphate Inc (the “Company” or “Arianne”) (TSX VENTURE: DAN; OTCQB: DRRSF; FRANKFURT: JE9N), a development-stage phosphate mining company, advancing it's Lac à Paul project in Quebec's Saguenay-Lac-Saint-Jean region, is pleased to announce that it has signed its Joint Venture Framework Agreement with Travertine Technologies Inc. (“Travertine”) which will serve as the template for its final shareholder agreement between the parties. As previously announced (see Press Release dated November 6, 2025), Arianne partnered with Travertine, by way of a Memorandum of Understanding (“MoU”), for the production of purified phosphoric acid (“PPA”) by combining Travertine's proprietary process with Arianne's high-purity phosphate concentrate.