Business
Arizona Sonoran and Nuton Terminate Option to Joint Venture on the Cactus Project
CASA GRANDE, Ariz. & TORONTO, February 17, 2026--ASCU today announces that together with Nuton, have mutually agreed to the early termination of the OTJV on the Cactus Project.
About this update from Rio Tinto Plc
[{"type":"image","alt":"","displaySize":"","headline":null,"caption":"","credit":null,"className":"","disableSlideshowImg":false,"size":{"original":{"width":480,"height":442,"url":"https://media.zenfs.com/en/business-wire.com/cb71c517a9c391a92667295c2cc21399"},"resized":{"url":"https://s.yimg.com/ny/api/res/1.2/1WxrH606y_T8u6DwX6PNIQ--/YXBwaWQ9aGlnaGxhbmRlcjt3PTk2MDtoPTg4NDtjZj13ZWJw/https://media.zenfs.com/en/business-wire.com/cb71c517a9c391a92667295c2cc21399","width":480,"height":442}},"lazy":false},{"type":"text","content":"CASA GRANDE, Ariz. & TORONTO, February 17, 2026--(BUSINESS WIRE)--Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) ("ASCU" or the "Company") today announces that ASCU and Nuton LLC ("Nuton"), a Rio Tinto Venture, have mutually agreed to the early termination of the Option to Joint Venture ("OTJV") on the Cactus Project, as well as the termination of Nuton’s investor rights agreement with the Company, effective immediately.","length":482,"tagName":"p"},{"type":"text","content":"George Ogilvie, President and CEO of Arizona Sonoran Copper Company commented, "We appreciate Rio Tinto’s endorsement of the Cactus Project through Nuton’s initial investment and shareholding, together with the constructive joint work under the OTJV to study the potential of deploying Nuton technology at the Cactus Project. It has been a productive relationship, and we look forward to continuing engagement and dialogue with a valued shareholder in Nuton-Rio Tinto.","length":473,"tagName":"p"},{"type":"text","content":"We look forward to continuing the successful advancement of our standalone Cactus Project. We anticipate the Feasibility Study and final permit amendments later this year, and a final investment decision is contemplated as early as 4Q 2026. Over and above the pending Feasibility Study mine plan which will outline the extraction of oxides and enriched materials, there remains significant upside at the Cactus Project with opportunities to potentially develop the significant primary sulphide Mineral Resource at depth, as disclosed in the Pre-Feasibility Study Technical Report, and in planned further exploration of the ‘Gap Zone’ and the ‘NE Extension’."","length":663,"tagName":"p"},{"type":"text","content":"The parties have agreed that the termination of the OTJV and Nuton investor ri...