June, 2023
Appointment of Directors, Corporate Auditors and Corporate Officers
We are pleased to formally inform you of the appointment of Directors, Corporate Auditors,
Corporate Officers, and their charges in accordance with the resolution at our annual general
meeting of shareholders on June 21, 2023 and the subsequent board of directors meeting as perenclosure, effective as of June 21, 2023.
Your kind understanding and cooperation with these changes will be very much appreciatedand we sincerely hope your continuous support and encouragement for us.

Masahiko OtaPresident
Shiraishi Kogyo Kaisha, Ltd.

Directors and Corporate Auditors
SHIRAISHI Tsunehiro
Representative Director;
ChairmanSHIRAISHI Hirotoshi
Representative Director

OTA MasahikoDirector

HOSOI Kazuyuki
Director

TAKANASHI Hirotake
Director

HIEDA Munetaka
Director

Minakawa Atsushi
Director

NAGAMATSU Shigeki
Outside Director

NAKASHIMA Akira
Corporate Auditor

Araki Shigeyuki
Corporate Auditor(newly appointed)

OSAKA Akiyoshi

Corporate Auditor (Outside)

SUGIYAMA Kazuyasu
Corporate Auditor (Outside)(newly appointed)

Corporate Officers
SHIRAISHI Tsunehiro
Chairman;Group CEOOTA Masahiko
President;
CEOSHIRAISHI Hirotoshi

Executive Vice President;Head of International Business Division

HOSOI Kazuyuki

Senior Managing Corporate Officer;
COO, Europe

ITO Kazuya

Senior Managing Corporate Officer;
COO, Americas

TAKANASHI Hirotake

Managing Corporate Officer;
CAO, Chief of Tokyo Head Office

HIEDA Munetaka

Managing Corporate Officer;
CMO, Head of Business Division, Chief of Osaka Head Office

NANRI Yasunori

Managing Corporate Officer;
Head of Research and Development Division
President of Shiraishi Central Laboratories Co., Ltd.

MINAKAWA Atsushi

Corporate Officer;
Head of Engineering & Quality Management Division

KATO Kazuhide

Corporate Officer;
Corporate Planning Division

ONO Naoaki

Corporate Officer;
Deputy Chief of Business DivisionDeputy Chief of International Business Division (Asia)

KAYANO Yoshisada

Corporate Officer;
Deputy Chief of Business Division (Sales Planning, Logistics Planning)
Deputy Chief of International Business Division (Europe and Americas)

OTSUKI Naoki

Corporate Officer;
Head of Manufacturing Division

NAKAYAMA Norihiko

Corporate Officer;
Plant Manager of Hakuenka Plant

FUKUI Motoki

Corporate Officer;
Plant Manager of Fuji Plant and Fujikawa Plant

NAKAI Go

Corporate Officer;
Plant Manager of Tsukumi Plant

MATSUBARA Kei

Corporate Officer;
Deputy Chief of Engineering & Quality Management Division (Safety and Quality Management)

OYA Shigeto

Corporate Officer;
CFO, Head of Administration Division

YOSHINO Chiaki

Corporate Officer;
Deputy Chief of Administration Division (Human Resources and Logistics)

MASAAKI Koichi
Corporate Officer;
Trade Control

TANAKA Yasuhito

Corporate Officer;
Operations Management GroupSHIMIZU Hirofumi

Corporate Officer;
Chief Information Officer
President of Star Computer Service Ltd.
We are also pleased to formally inform you that TANAKA Ken has resigned as Corporate Auditor and has
been appointed as Advisor of Shiraishi Calcium Kaisha, Ltd., and MIZUNO Akisato has resigned asCorporate Auditor (Outside) and has been appointed as Advisor of Shiraishi Kogyo Kaisha, Ltd.