Investor Presentaiton

ING Hishikari At veins NW near Hishikari, preferentially occur major unconformity between Cretaceous sedimentary rocks and overlying Tertiary volcanic rocks (right). Extensive clay alteration is present at surface. Veins locally bear abundant ginguro, banded sulfosalts, and silver electrum (below). HISHIKARI - Cross Section II III IV 岸 SE IRV:CNX Ш Shishimano Dacite 0.66 - 1.1 Ma Hishikari Andesites 0.95 - 1.78 Ma Daisen Ryosen Zuisen Hosen Sanjin I Alunite-cristobalite/tridymite 0.78 -1.05 Ma 200 m II Vein Shimanto Group Cretaceous Basement Cristobalite-smectite-kaolinite Quartz-smectite IV Interlayered illite-smectite chlorite-smectite Chlorite-sericite/illite 200 m Au-Ag Ore V Yamada Deposit, Hishikari Mine Au: 948g/t, Ag: 3,720g/t 1250 Modified from Ibaraki and Suzuki (1993), and Izawa et al. (1990). Sumitomo Metal Mining Co., Ltd. 13

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