Principal Capital Public Company Limited announced that at the board meeting held on 25 April 2023 acknowledged the resignation of Mr. John Lee Koh Shun effective from 26 April 2023 onwards, approved the appointment of Dr. Krittavith Lertutsahakul (M.D.) as the director of the Company to replace Mr. John Lee director whom has replaced, and appoint Dr. Krittavith Lertutsahakul (M.D.) as the Managing Director. Effective from 26 April 2023 onwards. Approved To Changing position of Dr. Satit Viddayakorn, (Ph.D.) from Managing Director to Chairman of the Board of Directors effective from 26 April 2023 onwards.

Approved the appointment of Dr. Panu Boonsombat, (Ph.D.) Independent Director to be as Audit Committee Member and Nomination and Remuneration Committee Member effective from 26 April 2023 onwards. The Audit Committee Member of The Company as follows; Mrs.Unakorn Phruithithada as Chairman of Audit Committee. Assoc.

Prof. Dr. Sillapaporn Srijunpetch, (Ph.D) as Member of Audit Committee. Dr. Panu Boonsambat, (Ph.D.) as Member of Audit Committee. The Nomination and Remuneration Committee as follow: Mr. Anuphan Kitnitchiva, as Chairman of Nomination and Remuneration Committee.

Dr. Panu Boonsambat, (Ph.D.) as Nomination and Remuneration Committee. Dr. Satit Viddayakorn, (Ph.D.) as Nomination and Remuneration Committee and Secretary of Nomination and Remuneration Committee. Miss Atiya Awachanakarn, as Assistant Secretary of Nomination and Remuneration Committee.