Toroparu Mineral Resources (effective November 1, 2021)

Category Tonnes (kt) Au (g/t) Au (kozs) Cu (%) Cu (Mlbs) Ag (g/t) Ag (kozs)
Open Pit
Measured & Indicated 179,264 1.36 7,857 0.097 385.2 1.03 5,924
Inferred 5,393 1.50 260 0.061 7.3 0.63 109
Underground
Measured & Indicated 5,705 3.16 580 0.088 11.1 0.42 77
Inferred 8,403 3.53 953 0.091 16.9 0.25 68
Total
Measured & Indicated 184,969 1.42 8,437 0.097 396.3 1.01 6,002
Inferred 13,796 2.74 1,213 0.080 24.2 0.40 177

Notes: Mineral resource estimates were prepared under the supervision, or were reviewed by, Pamela De Mark, P.Geo, Senior Vice President Technical Services 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 resources were estimated using a gold price of US$1,630 per ounce.