Corporate auditor (full-time)

KINOSHITA Hiroshi

Apr.

1983

Joined the Company

Apr.

2011

Director of Kosaka Smelting & Refining Co., Ltd.

Oct.

2016

Vancouver Office Director of Resource Development & Raw Materials Dept. of Dowa Metals & Mining Co., Ltd.

Jun.

2020

Corporate auditor (current position)

Date of Birth

July 3, 1958

Number of years in
office as a

corporate auditor

4 years

Number of Company’s
Shares Held

1,077