IRPC One Report EN

No. Name Position Date of appointment/ Term 1. Mr. Kris Imsang Chairperson December 2, 2017 1st term April 3, 2019 2nd term 2. Mr. Woothisarn Tanchai Independent Director Chairman of the Nomination and Remuneration Committee June 19, 2015 1st term April 4, 2017 2nd term July 3, 2020 3rd term 3. Mr. Somnuk Bomrungsalee Independent Director Chairman of the Audit Committee April 9, 2014 1st term April 4, 2017 2nd term July 3, 2020 3rd term 4. Mr. Anusorn Sangnimnuan Independent Director Chairman of the Risk Management Committee August 27, 2016 1st term April 4, 2017 2nd term July 3, 2020 3rd term 5. Air Marshal Boonsuib Prasit Independent Director Chairman of the Corporate Governance Committee April 3, 2019 1st term 6. Mr. Ekniti Nitithanprapas Director Risk Management Committee November 17, 2015 1st term April 4, 2017 2nd term July 3, 2020 3rd term 7. Ms. Siriwan Chierapong Independent Director Audit Committee April 3, 2019 1st term 8. Mr. Jumpol Sumpaopol Independent Director Audit Committee October 16, 2019 1st term July 3, 2020 2nd term 9. Mr. Sukrit Surabotsopon Independent Director Risk Management Committee January 20, 2021 1st term 10. Ms. Peangpanor Boonklum (1) Director Risk Management Committee January 20, 2021 1st term March 31, 2021 2nd term 11. Asst. Prof. Dr. Chaiyaporn Puprasert (2) Independent Director Corporate Governance Committee March 31, 2021 1st term 12. Mr. Supot Laosuarpha (3) Director Corporate Governance Committee March 31, 2021 1st term 13. Mr. Chansak Chuenchom (4) Director Nomination and Remuneration Committee October 1, 2021 1st term 14. Mr. Chawalit Tippawanich Director/ President and Chief Executive Officer Risk Management Committee December 1, 2020 1st term March 31, 2021 2nd term Board of Directors as of December 31, 2021 Notes: With the approval of the Annual General Meeting of Shareholders or the Board of Directors, new directors were appointed to replace those who had retired, or resigned in 2021 as follows: (1) Ms. Peangpanor Boonklumwas appointed director, member of the RiskManagement Committee, effective on January 20, 2021, replacingMr. Chansin Treenuchagron, director, chairperson of the Board, who resigned, effective January 1, 2021. (2) Asst. Prof. Dr. Chaiyaporn Puprasert was appointed independent director and member of the Corporate Governance Committee, effective on March 31, 2021, replacing Mr. Nuttachat Charuchinda, who completed his term on March 31, 2021. (3) Mr. Suphot Laosuarpha was appointed director and member of the Corporate Governance Committee, effective on March 31, 2021, replacing Mr. Charcrie Buranakanonda, who completed his term on March 31, 2021. (4) Mr. Chansak Chuenchom was appointed director, member of the Nomination and Remuneration Committee, effective on October 1, 2021, replacing Mr. Noppadol Pinsupa, who resigned as director, member of the Nomination and Remuneration Committee on October 1, 2021. (5) Mr. Wattanapong Kurovat resigned as director, member of the Nomination and Remuneration Committee on May 1, 2021. 223 Corporate Governance Structure and Important Information about the Board of Directors, Sub-committees, Executives, Employees and Others IRPC PUBLIC COMPANY LIMITED

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