Glossary AISC - All-in Sustaining Cost CIL - Carbon-in-leach g/t - Grams per tonne FS - Feasibility Study GEOs - Gold Equivalent Ounces GOR - Gross Overiding Royalty GVR - Gross Value Return Royalty JORC - Australian Joint Ore Reserve Committee koz - Thousand Troy Ounces kt - Thousand tonnes M&I - Measured & Indicated Moz - Million Ounces Mt - Million Tonnes NAV - Net Asset Value NI 43-101 - National Instrument 43-101 NPI - Net Pro昀椀t Interest NPV - Net Present Value NSR - Net Smelter Return P&P Reserves - Proven & Probable Reserves PEA - Preliminary Economic Assessment PFS - Prefeasibility Study tpd - Tonnes Per Day 54 Metalla Royalty & Streaming Ltd.