ORVANA ANNOUNCES THE RESTART OF ITS DON MARIO PLANT IN BOLIVIA

About this update from Orvana Minerals Corp.

[{"type":"text","content":"\n\n\nORVANA ANNOUNCES THE RESTART OF ITS DON MARIO PLANT IN BOLIVIA\n\n/* Style Definitions */\nspan.prnews_span\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\na.prnews_a\n{\ncolor:blue;\n}\nli.prnews_li\n{\nfont-size:8pt;\nfont-family:\"Arial\";\ncolor:black;\n}\np.prnews_p\n{\nfont-size:0.62em;\nfont-family:\"Arial\";\ncolor:black;\nmargin:0in;\n}\n.prngen2{\nPADDING-RIGHT:0.17em; PADDING-LEFT:0.17em; VERTICAL-ALIGN: TOP; TEXT-ALIGN: LEFT; BORDER-TOP:black 0pt; BORDER-RIGHT:black 0pt; BORDER-BOTTOM:black 0pt; BORDER-LEFT:black 0pt\n}\n.prnml4{\nMARGIN-TOP:0em; MARGIN-RIGHT:0em; MARGIN-BOTTOM:0em; MARGIN-LEFT:0.33em !IMPORTANT\n}\n.prntar{\nTEXT-ALIGN: RIGHT\n}\n.prnbcc{\nBORDER-COLLAPSE: COLLAPSE; BORDER-TOP:1pt black; BORDER-RIGHT:1pt black; BORDER-BOTTOM:1pt black; BORDER-LEFT:1pt black\n}\n\n\n\n\n\nCanada NewsWire\n\n\nTSX:ORV\nTORONTO, Dec. 17, 2025 /CNW/ - Orvana Minerals Corp. (TSX: ORV) (the \"Company\" or \"Orvana\") is pleased to announce the initiation of a phased restart of its Don Mario processing plant in Bolivia.\n\n\n\n\n\n\n\nJuan Gavidia, Chief Executive Officer of Orvana, commented:\n\"The restart of the Don Mario plant represents an important milestone for Orvana as we advance the commissioning of our expanded processing facilities. Our focus remains on executing a disciplined and phased start-up designed to manage commissioning risk, validate plant performance and position the operation for a controlled ramp-up in 2026.\"\nOrvana's Bolivian subsidiary, Empresa Minera Paitití S.A. (\"EMIPA\"), has commenced the initial phase of the plant restart, with the comminution and thickening circuits brought online to supply feed to the Gold-Silver circuit. These circuits are expected to undergo performance verification through mid-January 2026. The copper circuit, which forms part of the Don Mario plant expansion, is scheduled to be brought online in the second half of January 2026, followed by a controlled ramp-up of all circuits from February through April 2026.\nThe Don Mario plant expansion includes:\n(i) \nthe installation of new circuits for copper oxide processing, including acid leaching, filtration, solvent extraction and electrowinning to produce copper cathodes;\n(ii) \nenhancements to the Gold-Silver and detox circuits to improve throughput and technological performance;\n(i...

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