Professor Chaiyos Hemarajata

Independent Director and Chairman of the Audit Committee
Age

79 years

Date of Appointment

December 3, 2013

Date of Re-appointment

Re-appointment by the resolution of the 2023 AGM on April 26, 2023


Type of Director

Independent Director

Education

• Master of Laws, The Faculty of Laws, Chulalongkorn University and Columbia University, The United States
• Bachelor of Laws, The Faculty of Laws, Chulalongkorn University

Training

Certificate from Thai Institute of Directors (IOD)

• Director Accreditation Program (DAP)
• Audit Committee Forum 2017: The Audit Committee’s Role in Compliance and Ethical Culture Oversight

Other position in a subsidiary company of The Platinum Group Public Company Limited

(None)

Directorship in the other Listed Company (1 Company, Totaling 2 Listed Companies)

• Since 2017 Chairman of the Audit Committee, SENA Development Public Company Limited
• Since 2005 Independent Director, SENA Development Public Company Limited

Position in other Non-listed Company/Organization/Institutions (1 Institute)

Since 1996 Member of Royal Institute, The Academy of Thammasat and Politics, Royal Institute of Thailand

Directorship/Management in other companies, which may be in conflict of interest of the Company

(None)

5-year experience and/or remarkable position

Year 2013 – 2014 Independent Director and Chairman of the Audit Committee, The Platinum Group Company Limited

Attendance of the BOD and sub-committee Meetings in 2025

• The Board of Directors Meeting 4/4 Meetings (100%)
• The Audit Committee Meeting  4/4 Meetings (100%)

Shareholdings (Ordinary shares) (As of December 15, 2025)

• Held Personally amount – shares
• Held by Spouse / Minor Children amount – shares

Family relationships among Directors and Executives

(None)

Illegal record in last 5 years

(None)