SURL UGA D EPOSIT HIGHGRADE UNDER G R O UND RESOUR CE A ccessible using e x isting undergr o und infrastruct u r e P o t e ntial f o r longhole mining v ein thickness range betw een 330 m In d i c a t e d C a t e gory In f e rred C a t e gory Gold Cutof f Grade Tonnes G old Grade C ontained Gold To nnes G old Grade C ontained Gold gt 000 gt 000 Ounces 000 gt 000 Ounces 20 165 4 450 239 353 3 426 484 25 132 3 506 215 266 6 492 422 27 1202 531 205 2362 522 396 30 104 3 568 191 198 1 567 361 35 829 631 168 150 7 644 312 40 669 693 149 1 17 5 721 272 Notes Official Mineral Resource es timate highlighted in bold Tonnage estimates are rounded to the nearest 100 0 tonnes gt g rams per tonne A 27 gt cut off is supported for potentia l underg round long hole mining b y the follow i ng economic assumption s gold price 12 0 0 USD gold recovery 90 operating expense OPE X 12 5 CADtonne 85 mining 25 milling 15 GA 7