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MOUNT MILLIGAN MINE

959Million pounds copper in proven and probable reserves
2.4Million ounces gold in proven and probable reserves
9Year mine life

Mount Milligan is located approximately 155 kilometres northwest of Prince George in central British Columbia, Canada. The Mount Milligan Mine is a conventional truck-shovel open-pit copper and gold mine and concentrator with a 60,000 tpd capacity copper flotation processing plant. Mount Milligan has an estimated mine life of 9 years.

PHOTOS FROM MOUNT MILLIGAN MINE
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Mount Milligan Environmental Policy

Mount Milligan Technical Report – Filed March 26, 2020

June 2017 Mt. Milligan Mine Site Tour

VIDEOS FROM MOUNT MILLIGAN MINE

MOUNT MILLIGAN RESERVES

The following information is based upon the "NI 43-101 Technical Report, Mount Milligan Mine, North-Central British Columbia" dated March 26, 2020 with an effective date of December 31, 2019 (the "Mount Milligan Technical Report").

The following tables set forth the estimated copper and gold mineral reserves for Mount Milligan as of December 31, 2020:

Proven and Probable Copper and Gold Estimated Mineral Reserves at December 31, 2020(1 ^2 3)

PropertyCategoryTonnesCopper GradeContained CopperGold GradeContained Gold
(000’s)(% Cu)(millions of lbs)(gram per tonne)(000’s of oz)
Mount MilliganProven125,1790.236240.401,613
Probable45,3970.212130.37535
Proven+Probable170,5760.228370.392,148

Notes:

(1) ~CIM ~definitions ~were ~followed ~for ~Mineral ~Reserves estimation.

(2) ~Mineral ~Reserves ~are ~estimated ~at $7.64/t (C$9.55/t) ~NSR cut-off ~value ~using ~metal ~prices ~of $3.00 ~per ~pound ~copper ~and $1,250 ~per ~ounce gold, ~and ~a US$/C$ ~exchange ~rate ~of US$1.00/C$1.25.

(3) ~Figures ~may ~not ~total ~exactly ~due ~to rounding.

~Royal ~Gold ~streaming ~agreement ~entitles ~Royal ~Gold ~to 35% ~and 18.75% ~of ~gold ~and ~copper sales, respectively, ~from ~the ~Mount ~Milligan mine. ~Under ~the ~stream arrangement, ~Royal ~Gold ~will ~pay $435 ~per ~ounce ~of ~gold ~delivered ~and 15% ~of ~the ~spot ~price ~per ~metric ~tonne ~of ~copper delivered.