West Wall ADVANCED EXPLORATION Valparaiso, Chile OPERATOR Anglo American plc / Glencore plc COMMODITY TYPE TERMS LAND AREA Copper, Gold, Royalty 1.0% NPR 5,081.5 ha Molybdenum Royalty Summary Reserves West Wall is a copper-gold-molybdenum porphyry deposit located in Reserves & Resources - Cu the Valparaiso Region of Chile, approximately 100km to the north- P&P Reserves (mlbs Cu) - east of Santiago and 70km north of the Rio Blanco-Los Bronces M&I Resources (mlbs Cu) 9,681 mineralized district. The project has two distinct mineralized zones: Inferred Resources (mlbs Cu) 9,926 Lagunillas and West Wall Norte. The mineralization zones are part Reserves & Resources - Au of an extensive north-northeast striking hydrothermal alteration zone P&P Reserves (koz Au) - of approximately 9km by 4km. The royalty covers the Lagunillas and M&I Resources (koz Au) 1,386 West Wall Norte zones, which comprise the existing resource on Inferred Resources (koz Au) 1,725 West Wall. Reserves & Resources - Mo P&P Reserves (mlbs Mo) - Metalla holds a 1.0% Net Proceeds Return royalty on West Wall. M&I Resources (mlbs Mo) 171 Inferred Resources (mlbs Mo) 142 Metalla Royalty Ounces - GEOs P&P Reserves (koz) - M&I Resources (koz) 33.6 Inferred Resources (koz) 37.3 * For Royalty GEOs calculation, Metalla estimates that 100% of the West Wall Mineral Reserve & Mineral Resources are subject to our royalty interest and a rate of 1% is applicable for the copper Royalty GEOs (which factors in a 15% NSR smelting charge and 90% cost deduction). Copper has been converted to Royalty GEOs assuming $3.50 per pound. * For sources, please refer to note 35 on the Notes & Sources page. Royalty & Mineralization Map Mineralization Royalty Boundary Pit Boundary 50 Metalla Royalty & Streaming Ltd.