Numbers of Shares held and Percentage of Shareholding Stake in STA (%)⁽¹⁾

0.00036

Educational Qualifications

• Bachelor of Business Administration (Accounting) Ramkhamhaeng University

Family Relationship Among Executive⁽²⁾

None

Work Experience

• 2022 – Present Independent Director, Member of Audit Committee, Member of Nomination Committee, Member of Remuneration Committee, STA
• 2004 - 2017 Independent Director and Member of Audit Committee, Forth Corporation Public Company Limited.
• Present Certified Public Accountant approved, by the Office of the Securities and Exchange Commission.
• 2026 - Present Managing Director, AST Master Company Limited.
• 2025 - Present Independent Director, Member of Audit Committee, Member of Nomination Committee and Member of Remuneration Committee, Forth Smart Capital Company Limited
• 2020 - Present The Accounting Profession in Tax Accounting Committee, Federation of Accounting Professions under the Royal Patronage of His Majesty the King (full term in 2026)
• 1993 – Present Senior partner, AST Master Company Limited.
• 2022 - 2025 Independent Director, Member of Audit Committee and Member of Risk Management Committee, Forth EMS Public Company Limited
• 1991 - 2025 Deputy Managing Director, AST Master Company Limited.
• 2017 - 2018 Independent Director and Audit Committee Member, Right Tunnelling Company Limited
• 2014 – 2017 The Accounting Profession in Tax Accounting Committee, Federation of Accounting Professions under the Royal Patronage of His Majesty the King