Advanced Info Services 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 - Present 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
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. Surasak Vajasit

Independent Director

Position	Independent Director Member of Audit and Risk Committee Member of Nomination and Compensation Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Barrister at Law, Lincoln's Inn, UK
Director training	Director Accreditation Program (DAP 29/2004)
No.of other listed company to serve as director	-
Working Experiences	2014 - Present Chairman of Nomination and Governance Committee Advanced Info Service Plc. 2008 - Present Member of Nomination and Governance Committee Advanced Info Service Plc. 2006 - Present Independent Director and Member of Audit and Risk Committee Advanced Info Service Plc. 2016 - Present Director Srithai Insurance Plc. 2014 - Present Managing partner R&T Asia (Thailand) Ltd. 2005 - 2014 Executive Hunton and Williams (Thailand) Ltd. 1997 - 2008 Director Thai Tallow and Oil Co., Ltd.
Illegal Record in past 10 years	None

Mr. Gerardo C. Ablaza, Jr

Independent Director

Position	Independent Director Member of Audit and Risk Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Bachelor of Arts (Mathematics) De La Salle University, Manila
Director training	Director Accreditation Program (DAP 146/2018) Advanced Corporate Governance 2019 (The Phillipinies IOD)
No.of other listed company to serve as director	-
Working Experiences	2019 - Present Member of Leadership Development and Compensation Committee Advanced Info Service Plc 2017 - Present Independent Director, Member of Executive Committee Advanced Info Service Plc. 2017 - 2019 Member of Sustainable Development Committee Advanced Info Service Plc. 2019 - Present Director iPeople Inc. 2017 - Present Director BPI Family Bank Director BPI Capital Corporation 2010 - Present Director Manila Water Company Inc. 1998 - Present Director Ayala Corporation 2012 - Present Director AC Energy Holding Inc. 2012 - Present Director AC Infrastructure Holding Corp. 2010 - 2017 President, CEO Manila Water Company Inc. 1998 - 2009 President, CEO Globe Telecom Inc.
Illegal Record in past 10 years	None

Mr. Krairit Euchukanonchai

Independent Director

Position	Independent Director Chairman 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. 2018 - Nov2020 Chairman of Board of Directors PTT Plc. 2015 - Present Vice-Chairman of Board of Directors, Chairman of Executive Committee, Chairman of the Risk Oversight Committee Krungthai Bank Plc. 2011 - 2012 Director and Member of Audit Committee PTT Plc. 2006 - 2012 Chairman of Board of Directors and Chairman of Risk Management Committee Krungthai Asset Management Plc. 2020 - Present Member of Academic Director Office of Insurance Commission (OIC) 1998 - Present Chairman V Group Honda Car Co..Ltd. 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. Allen Lew Yoong Keong

Non-executive director

Position	Director Chairman of Executive Committee
Share Ratio (%) *	None
Relationship with Management	None
Highest Education	Master of Science (Management), Massachusetts Institute of Technology, USA
Director training	None
No.of other listed company to serve as director	-
Working Experiences	2008 - Present Chairman of Executive Committee, Member of Leadership Development and Compensation Committee Advanced Info Service Plc. 2006 - Present Director Advanced Info Service Plc. 2006 - 2008 Member of Executive Committee Advanced Info Service Plc. 2020 - Present Chief Executive Officer , Group Strategy and Business Development and Country Chief Officer Thailand Singapore Telecommunications Ltd. 2014 - 2019 Chief Executive Officer, Consumer Australia and Chief Executive Officer Optus Pty Limited 2012 - 2014 Chief Executive Officer, Group Digital Life and Country Chief Officer (Singapore) Singapore Telecommunications Ltd. 2006 - 2012 Chief Executive Officer (Singapore) Singapore Telecommunications Ltd.
Illegal Record in past 10 years	None

Mr. Somchai Lertsutiwong

Executive Directors

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	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
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 - Present 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

Director

Position	Director Member of Sustainable Development 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

Director

Position	Director Member of Sustainable Development 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	None
Working Experiences	2021 - Present Group Chief Financial Officer Singapore Telecommunications Limited 2017 - Present Chief Executive Officer International Singapore Telecommunications Limited 2011 - 2016 Group Chief Financial Officer CapitalLand Limited
Illegal Record in past 10 years	None

Mr.Smith Banomyong

Director

Position	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

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 2021, 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 11 directors whose expertise and experience cover various fields as follows:

AIS has 7 members (64%) of the Board of Directors who have work experience in Telecommunication Industry consisting of 6 independent or non-executive members (55%) and 1 executive director; Mr. Somchai Lertsutiwong

Remark:
- Four members of the Board of Directors qualified with 9 criteria of independent director definition of The Securities and Exchange Commission, Thailand
- Ten members of the Board of Directors meet at least 4 out of 9 criteria with DJSI independent directors statement
- Eight members who are non-executive directors have experience in Risk & Crisis Management