Soto Norte mineral reserves, effective January 1, 2021 (100% basis)

Classification

Tonnes

Gold

Silver

Copper

Gold Equivalent

 

(kt)

(g/t)

(koz)

(g/t)

(koz)

(%)

(klb)

(g/t)

(koz)

Probable

24,767

6.22

4,950

34

27,386

0.19

102,868

6.95

5,535

Notes:

Mineral reserve estimates were prepared under the supervision, or were reviewed by, Pamela De Mark, P.Geo, Senior Vice President Geology and Exploration of Aris Mining, who is a Qualified Person as defined by National Instrument NI 43-101. Totals may not add due to rounding. Figures in this table represent 100% of the Soto Norte mineral reserve estimates; the portion attributable to Aris Mining is 20%. Mineral reserves were estimated using a gold price of USD$1,300 per ounce.

 

Soto Norte mineral resources, effective May 22, 2019 (100% basis)

Classification

Tonnes
(Mt)

Au
(g/t)

Au
(koz)

Ag
(g/t)

Ag
(koz)

Cu
(%)

Cu
(klb)

AuEQ
(g/t)

AuEQ
(koz)

Indicated

48.1

5.47

8,454

36

55,324

0.18

193,422

6.35

9,818

Inferred

27.3

4.06

3,571

26

22,754

0.18

107,281

4.83

4,249

Notes:

Mineral resource estimates were prepared under the supervision, or were reviewed by, Pamela De Mark, P.Geo, Senior Vice President Geology and Exploration of Aris Mining, who is a Qualified Person as defined by National Instrument NI 43-101. Mineral resources are not mineral reserves and do not have demonstrated economic viability. Mineral resource estimates are reported inclusive of mineral reserves. Totals may not add due to rounding. Figures in this table represent 100% of the Soto Norte mineral resource estimates; the portion attributable to Aris Mining is 20%. Mineral resources were estimated using a gold price of USD$1,300 per ounce.

Technical Disclosure

NI 43-101 Technical Report

Scientific and technical information concerning Soto Norte is summarized, derived, or extracted from the Soto Norte Technical Report entitled “NI 43-101 Technical Report Feasibility Study of the Soto Norte Gold Project, Santander, Colombia”, dated March 21, 2022 with an effective date of January 1, 2021. The Soto Norte Technical Report was prepared by Ben Parsons, MSc, MAusIMM (CP), Chris Bray, BEng, MAusIMM (CP), and Dr John Willis PhD, BE (MET), AusIMM (CP), and Dr Henri Sangam, Ph.D., P.Eng., each of whom is independent of the Company within the meaning of NI 43-101 and is a “Qualified Person” as such term is defined in NI 43-101. The report was also prepared by Robert Anderson, P.Eng., a Qualified Person who is considered non-independent of the Company.