INVESTOR DAY 2026 APPENDIX 109 DD&A RATES PRINCIPAL PROPERTIES Commodity Current Stream / Royalty Rate Depletion Rate Mount Milligan Gold 35% $223/oz Au Copper 18.75% $0.48/lb Cu Cortez (blended rate) Gold 3.5-4.0% GSR $1,269/oz Au Pueblo Viejo Gold 7.5% $283/oz Au Silver 75% $2.70/oz Ag Andacollo Gold 100% $463/oz Au Kansanshi Gold 75 ounces of gold per 1 million lbs of Cu $1,787/oz Au Royal Gold has included the DD&A rates for the Principal Properties. The guidance for total DD&A for 2026 is $339- 379M.