Advanced Info Service Public Company Limited

Board composition

Mr. Kan Trakulhoon

Chairman and Independent Director

Position	Chairman of Board of Directors Independent Director Chairman of Nomination and Compensation Committee Chairman of Sustainable Development Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Honorary Degrees of Engineering Chulalongkorn University Honorary Degrees of Manufacturing Engineering Mahasarakham University
Director training	Director Certification Program (DCP 29/2003)
No.of other listed company to serve as director	4 companies
Working Experiences	2016 - Present Chairman of the Board of Directors, Chairman of the Leadership Development and Compensation Committee Advanced Info Service Plc. 2015 - Present Independent Director Advanced Info Service Plc. 2015 - 2017 Chairman of Sustainable Development Committee Advanced Info Service Plc. 2017 - Present Independent Director, Chairman of the Leadership Development and Compensation Committee, Member of the Nomination and Governance Committee, Member of the Strategic and Organizational Review Committee and Member of the CSR Committee for Sustainable Development Intouch Holdings Plc. Independent Director Bangkok Dusit Medical Services Plc. 2016 - Present Independent Director, Chairman of the Nomination, Compensation and Corporate Governance Committee, Member of the Executive Committee Siam Commercial Bank Plc. 2006 - 2023 Director The Siam Cement Plc. 2020 - Present Director SCB 10X Co., Ltd Director Council of Experts of the National Higher Education, Science, Research and Innovation Policy Council Expert Member State Enterprise Policy Committee 2018 - Present Expert Member Eastern Economic Corridor Policy Committee Expert Member Investment and Coordination Committee 2011 - 2019 Consultant Kubota Corporation (Japan)
Illegal Record in past 10 years	None

Mr.Sarath Ratanavadi

Vice Chairman of the Board

Position	Vice Chairman of the Board Member of Nomination and Compensation Committee Chairman of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Science (Engineering Management), University of Southern California, USA
Director training	DAP: Director Accreditation Program Class 138/2017 Capital Market Leadership Program (Class 7), Capital Market Academy The Program of Senior Executives on Justice Administration (Class 23), Judicial Training Institute Executive Development Training Program, Royal Thai Police Executive Management with Business Development and Investment (Class 1), Institute of Business and Industrial Development Rule of Law for Democracy (Class 6), College of the Constitutional Court The Executive Program in Energy Literacy for a Sustainable Future (Class 1), Thailand Energy Academy Administrative Justice for Executives Program (Class 1), Administrative Justice Institute, Office of the Administrative Courts The Director General Public Prosecutors (Class 6), Public Prosecutor Office Training Institute, Office of the Attorney General
No.of other listed company to serve as director	2 companies
Working Experiences	2021 - Present Director Intouch Holdings Plc Director GULF1 Co.,Ltd. Director Gulf Renewable Energy Co., Ltd. 2020 - Present Vice Chairman of the Board Gulf Energy Development Plc 2018 - Present Board of Councilors University of Southern, California Annenberg School for Communication and Journalism, USA 2017 - Present Director and Chief Executive Officer Gulf Energy Development Plc Board Chairman NIST International School Foundation Director Gulf Investment and Trading Pte. Ltd. 2016 - Present Director Gulf Holdings (Thailand) Co., Ltd. 2018 - 2020 Director Gulf Energy International Co.,Ltd. 2008 - 2020 Director Gulf JP Co., Ltd. 2011 - 2017 Director and Chief Executive Officer Gulf Energy Development Co.,Ltd. 2008 - 2017 President Gulf JP Co., Ltd. Board Vice Chairman NIST International School Foundation 2011 - 2016 Representative of Licensee NIST International School 2008 - 2016 Executive Board Chairman NIST International School 1994 - 2016 Director and President Gulf Electric Plc
Illegal Record in past 10 years	None

Mr. Krairit Euchukanonchai

Independent Director

Position	Independent Director Member of Audit and Risk Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Business Administration, North Texas State University, USA
Director training	Director Certification Program (DCP 59/2005) Role of the Chairman Program (RCP 16/2007)
No.of other listed company to serve as director	2 Companies
Working Experiences	2014 - Present Chairman of Audit and Risk Committee, Member of Nomination and Govenance Committee and Independent Director Advanced Info Service Plc. 2021 - Present Chairman and Chairman of the Independent Directors Committee PTT Exploration & Production Plc. 2021 - Present Commissioner (Finance) The Securities and Exchange Commission 2020 - Present Commissioner (Finance) Office of Insurance Commission 2020 - Present Director INFINITAS by Krungthai Co., Ltd 2015 - Present Vice Chairman, Chairman of the Board of Executive Directors, Chairman of the Risk Oversight Committee Krungthai Bank Plc. 1998 - Present Chairman V. Group Honda Cars Co., Ltd. and its Subsidiaries 2018 - 2020 Chairman and Independent Director PTT Plc. 2017 - 2019 Chairman Mass Rapid Transit Authority of Thailand
Illegal Record in past 10 years	None
Qualifications	In his role as Vice Chairman at Krung Thai Bank Plc., Mr. Krairit Euchukanonchai has extensive experience of digital and e-payment. He involved in a development of e-wallet and application to supporting economic stimulus measures of the government and e-payment portal for the government, assessing the risk of cyber threats in financial businesses and operations.

Mr. Predee Daochai

Independent director

Position	Independent director Member of Audit and Risk Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Honorary Doctorate in Business Administration, Southeast Bangkok College, Thailand Master’s Degree (MCL), University of Illinois at Urbana-Champaign, USA Barrister-at-Laws, Institute of Legal Education, Thai Bar Association, Thailand Bachelor of Laws (Honors) Thammasat University, Thailand
Director training	Advanced Management Program (AMP), Harvard Business School, USA Breakthrough Program for Senior Executives, IMD Business School, Switzerland Influence and Negotiation Strategies Program, Stanford Graduate School of Business, USA Making Innovation Happen Programme, London Business School, UK Executive Program, Singularity University, Silicon Valley, California, USA Executive Program on Risk Management, The Institute of International Finance, UK The Joint State - Private Sector Course, Class 24, National Defence College Capital Market Academy Leader Program, Class 20/2015, Capital Market Academy Executive Program “Energy Literacy for a Sustainable Future”, Class 8/2016, Thailand Energy Academy Role of the Chairman Program (RCP), Class 51/2022, Thai Institute of Directors Association (IOD) Board Nomination and Compensation Program (BNCP), Class 14/2022, Thai Institute of Directors Association (IOD) Corporate Governance for Capital Market Intermediaries (CGI), Class 11/2016, Thai Institute of Directors Association (IOD) Ethical Leadership Program (ELP), Class 1/2015, Thai Institute of Directors Association (IOD) Financial Institutions Governance Program (FGP), Class 1/2010, Thai Institute of Directors Association (IOD) Director Certification Program (DCP) Class 56/2005, Thai Institute of Directors Association (IOD)
No.of other listed company to serve as director	3 Companies
Working Experiences	April 2022 – Present Independent Director, Gulf Energy Development PCL. 2021 – Present Independent Director/Chairman of the Nomination and Remuneration Committee, Bangkok Dusit Medical Services PCL. 2021 – November 2023 Independent Director/Chairman of the Risk Management Committee and Chairman of the Sustainable Development Committee, Carabao Group PCL. 2021 – September 2023 Director, Siam Paragon Development Company Limited 2021 – May 2023 Director, Siam Paragon Retail Company Limited 2021 – 7 September 2022 Chairman of the Executive Committee / Group CEO, The Mall Group 2021- 2021 Independent Director, JD Food PCL. 2020 – 2020 Minister, Ministry of Finance 2020 – 2020 Chairman, Bank for Agriculture and Agricultural Cooperatives 2016 – 2019 Member, National Legislative Assembly 2016 – 2020 Committee, ASEAN Bankers Association 2016 – 2020 Member, National Strategy Committee 2016 – 2020 Committee, Payment Systems Committee, Bank of Thailand 2016 – 2020 Member of the Board, Thailand Board of Investment (BOI) 2016 – 2020 EEC Policy Committee, Eastern Economic Corridor 2016 – 2020 Member of the Board, Office of SMEs Promotion 2016 – 2020 Chairman, Thai Bankers Association 2015 – 2020 Vice Chairman and Chairman of the Corporate Governance Committee, Thai Institute of Directors Association 2013 – 2020 Director and President, KASIKORNBANK Public Company Limited 2016 – 2019 Chairman, KASIKORN Securities Public Company Limited 2013 – 2020 Chairman, KASIKORN Factory and Equipment Company Limited 2010 – 2020 Director, Muangthai Group Holding Company Limited 2017 – 2020 Chairman, National ITMC Company Limited 2015 – 2019 Director, Dole Thailand Limited 2020 - 2020 Chairman, Beacon Venture Capital Company Limited 2020 - 2020 Chairman, National Digital ID Company Limited
Illegal Record in past 10 years	None

Mr. Somchai Lertsutiwong

Executive Director

Position	Executive Director Member of Sustainable Development Committee Member of Executive Committee Chief Executive Officer
Share Ratio (%) *	0.0004
Relationship with Management	None
Highest Education	Master of Business Administration, Chulalongkorn University
Director training	Director Certification Program (DCP 107/2009)
No.of other listed company to serve as director	-
Working Experiences	April 2024 - Present Independent Director PTT Oil and Retail Business PCL April 2024 - Present Member of the Corporate Governance and Sustainability Committee PTT Oil and Retail Business PCL 2020 - Present Acting Chief Corporate Officer Advanced Info Service Plc. 2014 - Present Executive Director, Member of Sustainable Development Committee Member of Executive Committee, Chief Executive Officer, and Authorized Director Advanced Info Service Plc. 2012 - 2014 Director, Chief Marketing Officer Advanced Info Service Plc. 2007 - 2012 Executive Vice President - Marketing Advanced Info Service Plc. 2004 - 2007 Senior Vice President - Wireless Communication Advanced Info Service Plc.
Illegal Record in past 10 years	None

Ms. Jeann Low Ngiap Jong

Non-executive director

Position	Non-executive director Member of Nomination and Compensation Committee Member of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Bachelor of Accountancy,National University of Singapore
Director training	None
No.of other listed company to serve as director	1 company
Working Experiences	2013 - Present Director, Member of Nomination and Governace Committee Advanced Info Service Plc. 2016 - Present Director Intouch Holdings Plc. 2015 - 2021 Group Chief Corporate Officer Singapore Telecommunications Ltd. 2008 - 2015 Group Chief Financial Officer Singapore Telecommunications Ltd.
Illegal Record in past 10 years	None

Ms.Yupapin Wangviwat

Non-executive director

Position	Non-executive director Member of Sustainable Development Committee Member of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Business Administration, University of Florida, USA
Director training	DCP: Director Certification Program Class 164/2012 Capital Market Leadership Program (Class 16), Capital Market Academy Top Executive Program in Commerce and Trade (Class 13), Commerce Academy, University of the Thai Chamber of Commerce Executive Management with Business Development and Investment (Class 4), Institute of Business and Industrial Development Digital Transformation for CEO (Class 1), Nation Multimedia Group Plc. ABC Course, Class 5, Academy of Business Creativity, Sripatum University
No.of other listed company to serve as director	2 companies
Working Experiences	2021 - Present Director GULF1 Co.,Ltd. Director Intouch Holdings Plc 2020 - Present Member of the Sustainability, Governance and Risk Management Committee Gulf Energy Development Plc 2019 - Present Director Rachakarn Asset Management Co.,Ltd. 2018 - Present Director and Executive Director Gulf Energy Development Plc Director Gulf Renewable Energy Co., Ltd. 2008 - Present Senior Executive Vice President Gulf JP Co.,Ltd. 1997 - Present Chief Financial Officer Gulf Electric Plc. 2020 - 2021 Director Gulf JP Company Limited Director Gulf SRC Company Limited Director Gulf PD Company Limited Director Gulf Energy Mauritius Company Limited 2019 - 2021 Director Independent Power Development Company Limited 2015 - 2021 Director Gulf JP KP1 Company Limited Director Gulf JP KP2 Company Limited Director Gulf JP TLC Company Limited Director Gulf JP NNK Company Limited Director Gulf JP NLL Company Limited Director Gulf JP CRN Company Limited Director Gulf JP NK2 Company Limited 2014 - 2021 Director Gulf Solar BV Company Limited Director Gulf Solar TS1 Company Limited Director Gulf Solar TS2 Company Limited Director Gulf Solar KKS Company Limited Director Gulf International Investment (Hong Kong) Limited 2013 - 2021 Director Gulf MP Company Limited Director Gulf Solar Company Limited Director Gulf JP NS Company Limited Director Gulf JP UT Company Limited 2012 - 2021 Director Gulf VTP Company Limited Director Gulf TS1 Company Limited Director Gulf TS2 Company Limited Director Gulf TS3 Company Limited Director Gulf TS4 Company Limited Director Gulf NC Company Limited Director Gulf BL Company Limited Director Gulf BP Company Limited Director Gulf NLL2 Company Limited Director Gulf NPM Company Limited Director Gulf NRV1 Company Limited Director Gulf NRV2 Company Limited 2011 - 2021 Director Kolpos Pte. Ltd. 2019 - 2020 Director Bangkok Smart Energy Company Limited 2017 - 2020 Director Gulf WHA MT Natural Gas Distribution Company Limited Director WHA Eastern Seaboard NGD2 Company Limited Director WHA Eastern Seaboard NGD4 Company Limited 2015 - 2020 Director Gulf Cogeneration Company Limited Director Samutprakarn Cogeneration Company Limited Director Nong Khae Cogeneration Company Limited Director Gulf Yala Green Company Limited Director Gulf Power Generation Company Limited Director Gulf IPP Company Limited Director Gulf Energy Company Limited 2014 - 2021 Director Gulf International Holding Pte. Ltd. 2017 - 2019 Senior Executive Vice President and Chief Corporate Officer Gulf Energy Development Plc. 2014 - 2017 Senior Executive Vice President and Chief Financial Officer Gulf Energy Development Company Limited
Illegal Record in past 10 years	None

Mr.Arthur Lang Tao Yih

Non-executive director

Position	Non-executive director Member of Sustainable Development Committee Member of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Business Administration, Harvard Business School
Director training	None
No.of other listed company to serve as director	1 Company
Working Experiences	2021 - Present Group Chief Financial Officer Singapore Telecommunications Limited 2017 - 2021 Chief Executive Officer, International Singapore Telecommunications Limited 2011 - 2016 Group Chief Financial Officer CapitaLand Limited
Illegal Record in past 10 years	None

Mr.Smith Banomyong

Non-executive director

Position	Non-executive director Member of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Science (Economics), the London School of Economics and Political Science (LSE), UK
Director training	DCP: Director Certification Program Class 76/2008 Corporate Governance for Capital Market Intermediaries (CGI), Class 0/2014 Advanced Executive Program, Kellogg School of Management, Northwestern University Capital Market Leadership Program (Class 20), Capital Market Academy The Executive Program in Energy Literacy for a Sustainable Future (Class 15), Thailand Energy Academy Thailand Insurance Leadership Program (Class 2), OIC Advanced Insurance Institute
No.of other listed company to serve as director	2 companies
Working Experiences	2021 - Present Director Intouch Holdings Plc Director Gulf Renewable Energy Co., Ltd. Director Gulf JP NS Co., Ltd. Director Gulf JP UT Co., Ltd. Director Gulf JP KP1 Co., Ltd. Director Gulf JP KP2 Co., Ltd. Director Gulf JP TLC Co., Ltd. Director Gulf JP NNK Co., Ltd. Director Gulf JP NLL Co., Ltd. Director Gulf JP CRN Co., Ltd. Director Gulf JP NK2 Co., Ltd. Director Gulf VTP Co., Ltd. Director Gulf TS1 Co., Ltd. Director Gulf TS2 Co., Ltd. Director Gulf TS3 Co., Ltd. Director Gulf TS4 Co., Ltd. Director Gulf NLL2 Co., Ltd. Director Gulf BL Co., Ltd. Director Gulf BP Co., Ltd. Director Gulf NC Co., Ltd. Director Gulf NPM Co., Ltd. Director Gulf NRV1 Co., Ltd. Director Gulf NRV2 Co., Ltd. Director Gulf Chana Green Co., Ltd. Director Gulf Pattani Green Co.,Ltd. Director Independent Power Development Co.,Ltd. Director Gulf SRC Co.,Ltd. Director Gulf PD Co.,Ltd. Director Gulf MP Co.,Ltd. Director Gulf WHA MT Natural Gas Distribution Co.,Ltd. Director WHA Eastern Seaboard NGD2 Co.,Ltd. Director WHA Eastern Seaboard NGD4 Co.,Ltd. Director Gulf Solar Co.,Ltd. Director Gulf Solar BV Co.,Ltd. Director Gulf Solar TS1 Co.,Ltd. Director Gulf Solar TS2 Co.,Ltd. Director Gulf Solar KKS Co.,Ltd. Director Gulf Energy Co.,Ltd. Director Gulf IPP Co.,Ltd. Director Gulf Power Generation Co.,Ltd. Director Gulf Yala Green Co.,Ltd. Director Gulf Cogeneration Comp,Limited Director Nong Khae Cogeneration Co.,Ltd. Director Samutprakarn Cogeneration Co.,Ltd. Director PTT Natural Gas Distribution Co.,Ltd. Director Global Mind Investment Management Pte. Ltd. Director Bentre Import Export Joint-Stock Corporation 2020 - Present Chief of Asset Management and Investment Gulf Energy Development Plc Director Borkum Riffgrund 2 Investor Holding GmbH Director Borkum Riffgrund 2 Offshore Wind Farm GmbH & Co. oHG Director Gulf LNG Co.,Ltd. Director Gulf O&M Services Co.,Ltd. Director Gulf Energy (Vietnam) Limited Liability Company Director Gulf International Investment (Hong Kong) Ltd. Director Kolpos Pte. Ltd. Director Gulf International Holding Pte. Ltd. 2020 - 2020 Chief International Business Officer Gulf Energy Development Public Company Limited 2018 - 2020 Chief Financial Officer Gulf Energy Development Public Company Limited Senior Executive Vice President - Finance Gulf JP Company Limited 2018 - 2018 Chairman Association of Investment Management Companies Director The Federation of Thai Capital Market Organizations Director Thai Financial Markets Committee, the Bank of Thailand 2014 - 2018 Chief Executive Officer SCB Asset Management Company Limited
Illegal Record in past 10 years	None

Mr. Surin Krittayaphongphun

Independent Director

Position	Independent Director
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Arts, Economics, Middle Tennessee State University, USA Bachelor’s Degree in Economics, Thammasat University
Director training	Certificate Directors Accreditation Program (DAP) # 178/202 Risk Management Program for Corporate Leaders (RCL)
No. of other listed company to serve as director	None
Working Experiences	August 2020 - November 2023 Executive Director, President of Television Business BEC World Public Company Limited 2021 - November 2023 Chairman of Risk Management Committee - Management level BEC World Public Company Limited 2021 - November 2023 Chairman of the Sustainable Development Committee BEC World Public Company Limited 2017 - June 2020 President Bangkok Media and Broadcasting Company Limited (PPTV) 2017 - June 2020 Member of Board of Directors and Executive Committee Bangkok Media and Broadcasting Company Limited (PPTV) 2004 - 2017 Executive Vice President of Channel 3 Television Station BEC World Public Company Limited 2004 - 2017 Acting President of Bangkok Entertainment Company Limited BEC World Public Company Limited 1998 - 2004 Managing Director BMG Entertainment Company Limited 1996 - 1998 Managing Director S.C. Johnson and Son Company Limited 1993 - 1996 Regional Marketing Director PEPSI-COLA Thai Trading Company Limited 1988 - 1993 Business Development Manager Unilever Thai Trading Company Limited
Illegal Record in past 10 years	None

Mrs. Sirivipa Supantanet

Independent Director

Position	Independent Director
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Business Administration (Major in Finance), Western Michigan University, USA Bachelor of Accountancy (Finance), Chulalongkorn University
Director training	Director Certification Program (DCP) Class # 119/2009 Advanced Audit Committee Program (AACP) Class # 53/2024 Subsidiary Governance Program (SGP) Class # 11/2025
Working Experiences	24 Mar 2025 – Present Independent Director Advanced Info Service PCL 1 Apr 2025 – Present Independent Director and Member of the Audit Committee Gulf Development PCL 31 Mar 2025 – Present Independent Director and Member of the Audit Committee PTT Exploration and Production PCL 2024 – Present Independent Director, Member of the Audit Committee, and Member of the Risk Management Committee Osotspa PCL 2023 – Present Independent Director and Member of the Audit and Risk Management Committee SCG Decor PCL 2023 – Present Independent Director and Member of the Audit Committee TSFC Securities Public Company Limited 2023 – Present Advisor to Capital Market Development and Listed Companies Supervision The Stock Exchange of Thailand 2023 – Present Advisor to the Board of Directors Asset Pro Management Co., Ltd. 2023 – Present Advisor to securities laws and regulations Baker & McKenzie Co., Ltd. 2023 – Present Advisor to the fundraising through the issuance and public offering of securities and listed companies supervision Kiatnakin Phatra Asset Management Co., Ltd. 2023 – Present Advisor Millennium Group Corporation (Asia) PCL 2023 – Present Advisor Finance and Asset Committee, Mahamakut Buddhist University 2024 – 8 Apr 2025 Independent Director, Member of the Audit Committee and Member of the Corporate Governance for Sustainability Committee Bangkok Commercial Asset Management PCL 2023 – 31 Mar 2025 Independent Director and Member of the Audit and Risk Management Committee Intouch Holdings PCL 2019 – 2022 Deputy Secretary-General Office of the Securities and Exchange Commission 2019 – 2022 Director Capital Market Supervisory Board 2019 – 2022 Deputy Chairman of the Board and Chairman of the Nomination and Compensation Subcommittee Capital Market Development Fund
Illegal Record in past 10 years	None

Mr. Yol Phokasub

Independent Director

Position

Independent Director

Mr. William Woo

Non-executive director

Position

Non-executive director
Member of Executive Committee

Mr. Peter Kaliaropoulos

Independent Director

Position

Independent Director

The Scope of Authority and Duties

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Qualification of Independent Directors

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Board Mandate

All directors shall allocate sufficient time to prepare for and attend Board and sub-committee meetings. An individual director shall not serve on more than four (4) other boards of publicly listed companies unless the Board grants specific approval. As of 2024, the Company has 10 non-executive / independent directors who hold the directorship of 4 or less in other listed company.

Board expertise & experience

The Board of Directors is comprised of 12 directors (As at the end of 2024) whose expertise and experience cover various fields as follows:

AIS has 5 members (45%) of the Board of Directors who have work experience in Telecommunication Industry consisting of 3 independent or non-executive members (27%) and 2 executive directors; Mr. Somchai Lertsutiwong and Mr. Mark Chong Chin Kok

Remark:
- As of 2024, five members of the Board of Directors qualified with criteria of independent director definition of The Securities and Exchange Commission, Thailand
- Eight members who are non-executive directors have experience in Risk & Crisis Management