Outside Directors

SATO Kimio

Apr.

1981

Joined Nittetsu Mining Co., Ltd.

Jun.

2007

Kyushu Branch Office General Manager

Jun.

2010

Limestone & Raw Materials Sales Department Manager

Jun.

2011

Director, in charge of Non-Ferrous Metal & Ore Department and Limestone & Raw Materials Sales Department Manager

Jun.

2012

Managing Director, in charge of General Accounting Department, Limestone & Raw Materials Sales Department, and Non-Ferrous Metal & Ore Department

Jun.

2013

Director and Vice President

Apr.

2015

Representative Director and President

May

2019

Director

Jun.

2019

Senior Corporate Adviser

Mar.

2021

Honorary Senior Corporate Adviser (current position)

Jun.

2021

Director of the Company (current position)

Date of Birth

December 4, 1958

Number of years in
office as a director

3 years

Number of Company’s
Shares Held

0