The Board of Directors' Meeting of International Research Corporation Public Company Limited held on April 29, 2024, approved the appointment of directors to serve in the sub-committees of the Company. The details are as follows: The Board of Directors consists of 9 persons as follows: Mr. Pracha Hetrakul-Chairman of the Board; Mr. Natee Kittiwitchaowakul-Independent Director; Mr. Derekrid Janekrongtham-Independent Director; Miss Titaporn Sincharoonsak-Independent Director; Mr. Dan Hetrakul-Director; Mr. Nikom Vanichwatanarumlock-Director; Mr. Kungval Kusoltammaratana- Director; Mr. Jitkasame Ngarmnil-Director; Mr. Adisorn Singluedej-Director. Audit Committee consists of 3 persons as follows:Mr. Natee Kittiwitchaowakul-Chairman; Mr. Derekrid Janekrongtham-Director; Miss Titaporn Sincharoonsak-Director; Nomination and Remuneration Committee consists of 3 persons as follows: Mr. Kungval Kusoltammaratana-Chairman; Mr. Natee Kittiwitchaowakul-Director; Mr. Dan Hetrakul-Director.

Executive Committee consists of 4 persons as follows: Mr. Dan Hetrakul-Chairman; Mr. Nikom Vanichwatanarumlock-Director; Mr. Jitkasame Ngarmnil-Director; Mr. Adisorn Singluedej-Director. Risk Management and Corporate Governance Committee consists of 3 persons as follows: Mr. Kungval Kusoltammaratana-Chairman; Mr. Dan Hetrakul-Director; Mr. Nikom Vanichwatanarumlock-Director. This appointment becomes effective from April 29, 2024.