Board of Directors

Toru Itai

A Japanese citizen, born in Tokyo, Japan, in 1974. He completed his education at Waseda University in 1998.

Career History
He has over 25 years of experience in the glass and building materials industry, particularly under the AGC Group. He began his career in Production Control, later expanding his expertise in sales, production management, strategic planning, and executive leadership. He previously served as Executive Director at AGC Flat Glass Pacific Pte., Ltd. for more than six years. Currently, he holds the position of Group Leader Sales at the Japan General Division of Architectural Glass Asia Company.

Affiliation
He has an affiliation with the Company's shareholders, as he is an employee of AGC, which is also one of the Company's major shareholders.

Mohamad Amien

Indonesian Citizen, born in Pagar Alam, South Sumatera, in 1966. Graduated from Electrical Engineering Faculty of Trisakti University in 1990.

Career History
Joined the Company from 1990 until now. The legal basis for his initial appointment as the Vice President Director is based on the AGMS resolution dated June 22, 2023 replacing E. David Satria Soetedja. He has no concurrent position as a member of the Board of Commissioners/Board of Directors/Committee at other public listed companies. He concurrently holds position as member of the Company's Risk Management and Insurance Committee as well as the Discipline and Compliance Committee.

Affiliation
He has no affiliation relationships with any member of the Board of Directors or the Board of Commissioners, or the shareholders.

Duties and Responsibilities
As Vice President Director, he is responsible for helping to manage the activities and duties of the Board of Directors in general.

Yoshihiro Nagao

A Japanese citizen, born in Nara, Japan in 1979. He obtained his postgraduate degree in Precision Science and Technology from the Graduate School of Osaka University, Japan.

Career History
Joined AGC Inc. in 2005 and has continued to serve the company to the present. Has over 20 years of experience in the glass industry, particularly in production and technology management. Has held various strategic positions within AGC Inc. and its group companies, and currently serves as Group Leader in Sustainable Management Initiatives at AGC Inc.

Affiliation
He has an affiliation with the Company’s shareholders, as he is an employee of AGC Inc. which is also one of the Company’s major shareholders.

Samuel Nugroho Setyono

Indonesian citizen, born in Bandung, in 1968. Graduated from Satya Wacana Christian University, Faculty of Economics majoring in Marketing in 1990.

Career History
Joined the Company from 1999 until now. The legal basis for initial appointment as Director is based on the AGMS resolution on June 17, 2021. He has no concurrent position as member of the Board of Commissioners/Board of Directors/Committee at other Public Listed Companies. He concurrently holds a position as a member of the Company's Risk Management and Insurance Committee and the Discipline and Compliance Committee.

Affiliation
He has no affi liation relationships with any member of the Board of Directors and Board of Commissioners, or with any shareholder.

Duties and Responsibilities
As Director, he also serves as an Assistant Managing Director for Automotive Glass, and he is responsible for managing and overseeing Automotive Glass activities in Cikampek. Aside from that, he is also responsible for quality assurance in the Automotive Glass business unit and Corporate HRD and Administration.

Kazuhiro Onogawa

Japanese Citizen, born in Tokyo, Japan in 1974. Completed his education at Hitotsubashi University, in 1998.

Career History
Joined AGC from 1998 until now. The legal basis for his initial appointment as the Director of the Company is based on the AGMS resolution dated June 22, 2023. He concurrently holds a position as a member of the Risk Management and Insurance Committee and the Company's Discipline and Compliance Committee.

Affiliation
He has an affiliation with the Company's shareholder as an employee of AGC which is also one of the Company's major shareholders.

Duties and Responsibilities
As the Director, he is responsible for managing and overseeing the Company's fi nancial activities.

Christoforus

Indonesian citizen, born in Belgium in 1972. Completed his education at Tarumanagara University in Jakarta in 1995.

Career History
Joined the Company from 1999 until now. The legal basis for his initial appointment as the Director is based on the AGMS decision dated June 22, 2023. He has no concurrent position as a member of the Board of Commissioners/Board of Directors/Committee at other Public Listed companies. He concurrently holds a position as a member of the Risk Management and Insurance Committee and the Company's Discipline and Compliance Committee.

Affiliation
He does not have any affi liation with any member of the Board of Directors and Board of Commissioners, nor with any shareholder.

Duties and Responsibilities
As the Director, he is responsible for managing and overseeing the Corporate Aff airs activity and MIS.

Taku Ohashi

Japanese citizen, born in Nara, Japan, in 1969. He completed his education at Kwansei Gakuin University.

Career History
He has over 30 years of experience with the AGC Group. Starting his career at AGC Inc. in 1993, he later served as President of AGC Flat Glass (Thailand) Plc. from 2021 to 2025. He currently holds the position of General Manager at AGC Asia Pacific Pte. Ltd. since February 2025.

Affiliations
He has an affiliation with the Company's shareholders, as he is an employee of AGC, which is also one of the Company's major shareholders.