NuevaUnión DEVELOPMENT Chile, South America OPERATOR Teck Resources Ltd / Newmont Corp. COMMODITY TYPE TERMS LAND AREA Gold, Copper, Royalty 2.0% NSR 175 ha Molybdenum Royalty Summary Reserves NuevaUnión is one of the largest undeveloped copper-gold-molyb- Reserves & Resources - Cu denum projects in the Americas which is being jointly-developed by P&P Reserves (mlbs Cu) 6,958 Teck Resources Limited ("Teck") (NYSE: TECK) and Newmont Cor- M&I Resources (mlbs Cu) 2,742 poration ("Newmont")(NYSE: NEM). The project is located in the Ata- Inferred Resources (mlbs Cu) 4,547 cama region of Chile and is comprised of two orebodies, Relincho Reserves & Resources - Au and La Fortuna, which are 40 km apart and were combined to create P&P Reserves (koz Au) 10,309 NuevaUnión. Metalla's NSR covers the Cantarito claim which is part M&I Resources (koz Au) 4,640 of the proposed open pit at the La Fortuna deposit and prospective Inferred Resources (koz Au) 6,176 exploration ground to the southeast. A pre-feasibility study was com- Metalla Royalty Ounces - GEOs pleted in early 2018 which showed annual average production of P&P Reserves (koz) 88.1 224,000 tonnes of copper, 269,000 ounces of gold, and 1,700 tonnes M&I Resources (koz) 37.1 Inferred Resources (koz) 55.6 of molybdenum in the 昀椀rst 昀椀ve years. * Mineral Resources are reported exclusive of Mineral Reserves * For Royalty GEOs calculation, Metalla estimates 20% of the NuevaUnion Mineral Resources and Mineral Teck discussed an updated preliminary economic assessment where Reserves are subject to our royalty interest and a rate of 1.85% is applicable for the copper Royalty GEOs (which factors in a 15% NSR smelting charge). Copper has been converted to Royalty GEOs assuming the initial stage development of NuevaUnión contemplates a convey- $3.50 per pound. * For sources, please refer to note 33 on the Notes & Sources page. or to transport ore from La Fortuna to a mill at the Relincho site. Work in 2024 will be focused on establishing a cost-effective path forward for Nuevaunión. Metalla holds a 2% NSR royalty on the Cantarito claim. Royalty & Mineralization Map Mineralization 48 Metalla Royalty & Streaming Ltd.

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