Don Mario is an open-pit copper-gold-silver mine, owned by Empresa Paititi S.A., a wholly-owned subsidiary of Orvana Minerals Corp. (“Orvana”). Don Mario is located within the San Juan Canton, Chiquitos Province, Santa Cruz Department in eastern Bolivia, approximately 380 kilometers east of Santa Cruz de la Sierra and 76 kilometers from San Juan de Chiquitos.

Construction of the Don Mario Oxide Stockpile Project (OSP) is underway. Orvana expects to complete construction by the end of 2025, conditional on securing the remaining required balance of the funding during the first half of 2025. Orvana's goal is to resume production in 2026. The OSP is projected to operate for 35 months, starting after construction.