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ORVANA MINERALS CORP NEWS RELEASE For Immediate Release Date : August 13 , 2026 TSX : ORV # 22-2026 ORVANA ANNOUNCES Q3 FY2026 RESULTS & AUGUST COMMERCIAL PRODUCTION RAMP - UP IN BOLIVIA TORONTO , ONTARIO , August 13 , 2026 - Orvana Minerals Corp. ( TSX : ORV ; OTCQX : ORVMF ) ( the " Company " or " Orvana ” ) provides updates on the Oxides Stockpile Project at its Don Mario operation in Bolivia , and reports results for the quarter ended June 30 , 2026 ( " Q3 FY2026 " ) . " We are very excited that our new Bolivian Copper Cathodes Circuit , and our revamped Gold - Silver Dore Circuit , have entered the commercial production ramp - up phase , after overcoming logistical hurdles in Bolivia during May and June . Our Bolivian team is focused on executing a safe and disciplined ramp - up , with the goal of achieving stable commercial production in September 2026 " said Juan Gavidia , Chief Executive Officer of Orvana Minerals . “ This positive momentum for Bolivia , together with the doubling of our exploration area at Taguas , Argentina , through the acquisition of Evelina , reflects the disciplined execution of the growth strategy Orvana has pursued in recent years " , added Mr. Gavidia Bolivia - EMIPA Oxides Stockpile Project ( " OSP " ) Completed commissioning of Crushing , Milling , Thickening , Acid Leaching , Filtration ( source of both Copper PLS - Pregnant Leach Solution and Gold - Silver cake ) , Copper Cathodes Circuit ( SX- EW ) , and Gold - Silver Dore Circuit ( CN Leach plus ADR ) . With the production of copper PLS and gold - silver cake established in July , ramp - up activities across the copper and precious metals circuits are currently progressing in August , as planned . Operational efforts remain focused on achieving stable commercial production in September 2026 . The timing of the ramp - up and attainment of targeted production levels remain subject to operational performance and market conditions . FY2026 Revised Guidance : During May and June 2026 ( Orvana Q3 FY2026 ) Bolivia experienced 53 days of significant civil unrest , including nationwide strikes and road blockades , which disrupted the movement of goods and personnel across the country and materially impacted logistics and supply chains . While logistics have fully normalized as of the date of this news release , these disruptions delayed the execution of the OSP by 60 days for some items , and for more than 90 days in some others . As a result of the operational delays arising mainly from the logistics disruptions , EMIPA updated its production plan and has accordingly revised its guidance for fiscal 2026 : EMIPA Metal Production Gold ( oz ) Copper ( million lbs ) COC ( co - product ) ( $ / oz ) gold ( 1 ) ( 2 ) COC ( co - product ) ( $ / lb ) copper ( 1 ) ( 2 ) AISC ( co - product ) ( $ / oz ) gold ( 1 ) ( 2 ) YTD FY2026 Actual ( 4 ) FY2026 Revised Guidance ( 4 ) FY2026 Guidance ( 2 ) ( 3 ) 959 4,200 - 4,700 1.9-2.1 13,000 14,000 6.7-7.5 $ 1,900 $ 2,300 $ 2.60 $ 3.20 $ 2,200 $ 2,600 AISC ( co - product ) ( $ / lb ) copper ( 1 ) ( 2 ) $ 2.90 - $ 3.50 ( 1 ) Cash costs per ounce ( COC ) and all - in sustaining costs ( AISC ) per ounce are Non - GAAP Financial Performance Measures , intended to provide additional information to investors and do not have any standardized meaning under International Financial Reporting Standards ( " IFRS " ) as issued by the International Accounting Standards Board , and therefore may not be comparable to other issuers , and 1