Management Team

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Nitus Voraphonpiput, Ph.D.
Director
(EGAT's Representative Director, Authorized Director and Executive Director)
Chief Executive Officer and President
Secretary to the Board of Directors

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mrs. Wadeerat Charoencoop
Chief Finance Officer
(Top Responsible Person in Accounting and Finance)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Sakarin Tangkavachiranon
Chief Investment Officer
Secretary to the Investment Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Suteep Thummarugee
Acting Chief Operating Officer

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Chanwit Vichittanasin
Executive Vice President, Domestic Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Udompong Chuntharumporn
Executive Vice President, Cross-Border Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Ms. Chatuporn Laohapiboonratana
Executive Vice President, Asset Management

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Jittasak Soonthornpan
Executive Vice President, Finance

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Saowanee Deetayat
Executive Vice President, Accounting

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mrs. Charusuda Boonkerd
Executive Vice President, Corporate Strategy and Sustainability
Secretary to the Human Resources and Remuneration Committee
Secretary to the Risk Management Committee
Secretary to the Corporate Governance and Sustainability Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Nawapol Disathien
Executive Vice President, Legal and Corporate Service

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Thanakorn Wangpipatwong, Ph.D.
Executive Vice President, Digital Transformation and Information Technology

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Yeamyut Sangkittipaiboon, Ph.D.
Senior Vice President, Corporate Finance Division

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Puthachard Smitamegha
Senior Vice President, Tax Management and Accounts Payable Division

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Miss Anongnuch Tangthanawatskul
Senior Vice President, Financial Accounting Division (Chief Accountant)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities
Mr. Yuwasan Vivekmetakorn
Senior Vice President, Company Secretary Office
and Seconded to be Company Secretary
Miss Kamolkarn Hinviman
Senior Vice President, Internal Audit Division (Head of Internal Audit)
Secretary to the Audit Committee
Nitus Voraphonpiput, Ph.D.
Nitus Voraphonpiput, Ph.D.
Director
(EGAT's Representative Director, Authorized Director and Executive Director)
Chief Executive Officer and President
Secretary to the Board of Directors

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

23 April 2024

Date Appointed as Chief Executive Officer and President

1 April 2026

Education
  • Ph.D. (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
  • Master of Engineering (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
  • Bachelor of Engineering (Electrical Engineering), King Mongkut’s University of Technology North Bangkok
Important Trainings/Seminars
  • Arranged by Thai Institute of Directors Association
    • Financial Statements for Directors (FSD 54/2025)
    • Strategic Board Master Class (SBM 15/2024)
    • Director’s Guide to Legal Obligations and Duties (DLD 2/2024)
    • Role of the Chairman Program (RCP 57/2024)
    • Director Certification Program (DCP 333/2023)
    • Successful Formulation and Execution of Strategy (In-house SFE EGAT 1/2020)
  • Arranged by Other Institution
    • Net Zero CEO Leadership Program, Class 1, Carbon Institute for Sustainability, Faculty of Engineering, Chulalongkorn University in Collaboration with Kasikornbank Public Company Limited
    • Top Executives Course, (CMA), Batch 35 (2025), Capital Market Academy, The Stock Exchange of Thailand
    • Transformational Leader Course, White Rabbit Management Co., Ltd.
    • APAC Energy Storage Systems Course, Australia
    • Development-driven Leadership Course according to the Sufficiency Economy Philosophy, The Natural Resources and Environmental Studies Center, Mae Fah Luang University
    • Power Transmission and RE Integration Solutions Course, The U.S. Trade and Development Agency, USA
    • Solar, Wind, Battery, High-End Executive Training Course, The Reiner Lemoine Institute, Germany
    • Inspirational Leadership for High-Level Executives Course, King Prajadhipok's Institute
    • Digital Strategy for Executive Course, 2 3 Perspective Co., Ltd.
    • Leadership Succession Program (LSP), Class 11 (2020), Institute of Research and Development for Public Enterprises (IRDP)
    • Security Psychology Program, Class 119 (2019), Institute of Security Psychology, National Defence Studies Institute
    • EGAT Enhancing Program (EEP)
    • EGAT Leadership Calibration Exercise (ELCE)
    • EGAT Get Ready Program (EGRP)
Work Experiences in the Previous 5 Years (Year 2021 - 2026) and/or Important Positions
2024 - 2026 : Chief Executive Officer, RATCH Group Public Company Limited
2022 – 2024 : Deputy Governor - Fuel, EGAT /1
: Director, EGAT Diamond Service Company Limited (EDS) /1
2021 – 2022 : Assistant Governor - Corporate Strategy, EGAT
2020 – 2021 : Director, Generation and Transmission System Planning Division, EGAT
2018 – 2020 : Director, Power Purchase Agreement Division, EGAT
Current Positions
Other Listed Companies
2024 – Present : Board of Directors Member, Bangkok Aviation Fuel Services Public Company Limited /2
: Director and Vice Chairman, Ratch Pathana Energy Public Company Limited /3
Non-listed Organizations
2025 – Present : Board of Directors Member, Thang Long Power Plant Joint Stock Company /4
: President Commissioner, PT Paiton Energy /5
: Representative of Executive Committee, PT Paiton Energy /6
: Chairman of the Board of Directors, Ratchaburi Power Company Limited /7
2024 – Present : Chairman of the Board of Directors, Ratchaburi Electricity Generating Company Limited /8
: Chairman of the Board of Directors, Hin Kong Power Company Limited /9
: Chairman of the Board of Directors, PT Medco Ratch Power Riau /10
: Board of Directors Member, Hongsa Power Company Limited /8
: Board of Directors Member, Phu Fai Mining Company Limited /8
: Chairman of the Board of Directors, RATCH-Australia Corporation Pty Ltd and other subsidiaries of RATCH-Australia Corporation Pty Ltd /11

Notes : /1 Retired from the position from 1 May 2024 onwards.
                              /2 Effective from 8 May 2024.
                              /3 Effective from 14 May 2024.
                              /4 Effective from 1 September 2025.
                              /5 Effective from 14 August 2025.
                              /6 Effective from 6 August 2025.
                              /7 Effective from 1 May 2025.
                              /8 Effective from 1 May 2024.
                              /9 Effective from 3 May 2024.
                              /10 Effective from 16 May 2024.
                              /11 Effective from 24 May 2024.
                              EGAT stands for Electricity Generating Authority of Thailand

Mrs. Wadeerat Charoencoop
Mrs. Wadeerat Charoencoop
Chief Finance Officer
(Top Responsible Person in Accounting and Finance)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

51 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 1 April 2026
Education
  • Master of Business Administration, The University of Washington, USA
  • Bachelor of Business Administration (Finance) (2nd Class Honours), Chulalongkorn University
Important Trainings/Seminars
  • The Executive Program in Energy Literacy for a Sustainable Future, Class 21 (TEA21) (2025), Thailand Energy Academy
  • Capital Market Academy Executive Education, Batch 33 (CMA33) (2023), The Stock Exchange of Thailand
  • Director Diploma Examination (Exam 71/2019), Thai Institute of Directors Association
  • Director Certification Program (DCP 276/2019), Thai Institute of Directors Association
  • Corporate Governance for Executives (CGE SCCC/2015), Thai Institute of Directors Association
  • Senior Development Program, Duke C.E.
  • STARS Switzerland Symposium
  • Chief Financial Officer Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • TLCA Executive Development Program, Thai Listed Companies Association
  • Project Management Program, Davao
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2019 - 2026 : Chief Financial Officer, RATCH Group Public Company Limited
2025 : Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
2023 - 2025 : Chairman of the Board of Directors, RH International Corporation Limited
2022 - 2025 : Chairman of the Board of Directors, Ratchaburi Alliances Company Limited
: Board of Directors Member, Ratchaburi Power Company Limited
: Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
: Board of Directors Member, SouthEast Asia Energy Limited
: Board of Directors Member, Nam Ngum 2 Power Company Limited
2020 - 2024 : Board of Directors Member, An Binh Investment Group Joint Stock Company
2019 - 2022 : Board of Directors Member, RH International Corporation Limited
Current Positions
Other Listed Companies
2021 - Present : Board of Directors Member, Ratch Pathana Energy Public Company Limited
: Board of Directors Member, Bangkok Aviation Fuel Services Public Company Limited
Non-listed Organizations
2025 - Present : Board of Directors Member, Hin Kong Power Company Limited
: Commissioner, PT Paiton Energy
: Representative of Executive Committee, PT Paiton Energy
2023 - Present : Board of Directors Member, RATCH-Australia Corporation Pty Ltd and other subsidiaries of RATCH-Australia Corporation Pty Ltd
2022 - Present : Board of Directors Member, Nexif Ratch Energy Investments Pte. Ltd.
: Audit Committee, Nexif Ratch Energy Investments Pte. Ltd.
: Board of Directors Member, Hongsa Power Company Limited
: Board of Directors Member, Phu Fai Mining Company Limited
2020 - Present : Board of Directors Member, An Binh Energy and Infrastructure Fund
Mr. Sakarin Tangkavachiranon
Mr. Sakarin Tangkavachiranon
Chief Investment Officer
Secretary to the Investment Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

59 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00230
  • Indirect: None
Starting Date of Position

1 January 2020

Education
  • Master of Public and Private Management Program (Honours), National Institute of Development Administration
  • Bachelor of Engineering (Mechanical Engineering), Kasetsart University
Important Trainings/Seminars
  • Director Certification Program (DCP 221/2016), Thai Institute of Directors Association
  • Executive Energy Management Program (Class 11), Ministry of Energy
  • Mini Master of Management, National Institute of Development Administration
  • Plant Maintenance Engineering Program, Japan International Corporation Agency (JICA)
  • Energy Sustainability and Conservation Program, Department of Alternative Energy Development and Efficiency, Ministry of Energy
  • General Information of Railway System Program, Kasetsart University
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2020 - 2026 : Chief Power Business Development Officer, Acting Executive Vice President - Related and New Business, RATCH Group Public Company Limited
2024 - 2025 : President Commissioner, PT Paiton Energy
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
2022 - 2025 : Chairman of the Board of Directors, Xekong Investment Advisory Company Limited
2021 - 2025 : Chairman of the Board of Directors, RATCH Cogeneration Company Limited
2020 – 2025 : Board of Directors Member, Hin Kong Power Company Limited
2020 – 2024 : Chairman of the Board of Directors, An Binh Investment Group Joint Stock Company
2021 : Board of Directors Member, Innopower Company Limited
2020 – 2021 : Board of Directors Member, RATCH-Australia Corporation Pty Ltd
: Board of Directors Member, NEXIF RATCH Energy Rayong Company Limited
: Board of Directors Member, Hin Kong Power Holding Company Limited
2019 – 2021 : Board of Directors Member, Nava Nakorn Electricity Generating Company Limited
Current Positions
Other Listed Companies
2021 - Present : Board of Directors Member, Nomination and Remuneration Committee Member and Chairman of Executive Committee, Ratch Pathana Energy Public Company Limited
: Board of Directors Member, Principal Capital Public Company Limited
Non-listed Organizations
2023 - Present : Chairman of the Board of Directors, Xekong 4 Power Company Limited
2022 - Present : Board of Directors Member, Nexif Ratch Energy Investment Pte. Ltd.
: Investment Committee, Nexif Ratch Energy Investment Pte. Ltd.
2021 - Present : Chairman of the Board of Directors, RATCH-LAO Services Company Limited
2020 - Present : Chairman of the Board of Directors, An Binh Energy and Infrastructure Fund
: Board of Directors Member, Nexif Ratch Energy Singapore Pte. Ltd.
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
Mr. Suteep Thummarugee
Mr. Suteep Thummarugee
Acting Chief Operating Officer

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Master of Business Administration, National Institute of Development Administration
  • Bachelor of Engineering (Industrial Engineering), Prince of Songkla University
Important Trainings/Seminars
  • Thailand and the ASEAN Community in Global Political Economy, Class 7, King Prajadhipok's Institute
  • Young Executive Program in Energy Literacy for a Sustainable Future Program, Class 3, Thailand Energy Academy
  • Senior Executive Program (SEP), SASIN Graduate Institute of Business Administration, Chulalongkorn University
  • Certificate, The Leadership Grid and The Supervisory Grid Program
  • Executive Assistant Director Program (EADP), Class 10, EGAT
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2020 - 2026 : Executive Vice President - Asset Management, RATCH Group Public Company Limited
2021 - 2025 : Managing Director, RE Solar 1 Company Limited
2019 - 2025 : Board of Directors Member, Nava Nakorn Electricity Generation Company Limited
2018 - 2025 : Board of Directors Member, RE Solar 1 Company Limited
2020 - 2024 : Board of Directors Member, An Binh Investment Group Joint Stock Company
2021 : Chairman of the Board of Directors, Solarta Company Limited
2020 - 2022 : Board of Directors Member, RATCH China Power Limited
2020 - 2021 : Chairman of the Board of Directors, Songkhla Biomass Company Limited
: Chairman of the Board of Directors, Songkhla Biofuel Company Limited
: Board of Directors Member, RATCH Cogeneration Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2026 - Present : Board of Directors Member, Malacca Eco Investment Holdings Pte Ltd.
2025 - Present : Chairman of the Board of Directors, RATCH Cogeneration Company Limited
2024 - Present : Chairman of the Board of Directors, An Binh Investment Group Joint Stock Company
: Board of Directors Member, Hin Kong Power Company Limited
2023 - Present : Chairman of the Board of Directors, Ratchaburi World Cogeneration Company Limited
: Chairman of the Board of Directors, RATCH Energy Rayong Company Limited
2022 - Present : Board of Directors Member, Songkhla Biomass Company Limited
: Board of Directors Member, Songkhla Biofuel Company Limited
2020 - Present : Board of Directors Member, Berkprai Cogeneration Company Limited

Notes : EGAT stands for Electricity Generating Authority of Thailand

Mr. Chanwit Vichittanasin
Mr. Chanwit Vichittanasin
Executive Vice President, Domestic Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

49 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

1 April 2026

Education
  • Bachelor of Engineering (Mechanical Engineering), Chulalongkorn University
Important Trainings/Seminars
  • Merger and Acquisition Masterclass, KPMG
  • Director Development Program, Thai Institute of Directors
  • Leadership Succession Program (LSP) #16, Institute of Research and Development for Public Enterprises
  • Anti-Corruption Education, TRIS Academy
  • Fundamentals of Thai Electricity Business and Power Tariff, Petroleum and Energy Institute of Thailand
  • Power Purchase Agreement, EGAT
  • General Information of Railway System, Kasetsart University
  • Commissioning Management, EGAT
  • Economics Analysis of Investment, Business Management Company Limited
  • Future Leader Development Program, Compass Institute
  • Mini MBA for Double A’s Talent, Chulalongkorn University
  • Project Planning and Project Management, Chulalongkorn University
  • Program of the 7 Habits of Highly Effective People
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2026 : Senior Vice President, Report to Chief Power Business Development Officer, RATCH Group Public Company Limited
2023 - 2025 : Senior Vice President, Report to Chief Power Business Development Officer, RATCH Group Public Company Limited
Seconded to be Managing Director, Hin Kong Power Company Limited
2023 : Senior Vice President - Head of Project Management Department, RATCH Group Public Company Limited
2020 - 2023 : Board of Directors Member, R E N Korat Energy Company Limited
2022 : Senior Vice President - Head of Project Management Division, RATCH Group Public Company Limited
2019 - 2021 : Vice President - Head of Project Management Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
None

Notes : EGAT stands for Electricity Generating Authority of Thailand

Mr. Udompong Chuntharumporn
Mr. Udompong Chuntharumporn
Executive Vice President, Cross-Border Project Development

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

51 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00043
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Master of Engineering (Mechanical Engineering), Kasetsart University
  • Bachelor of Engineering (Mechanical Engineering) (2nd Class Honours), King Mongkut's University of Technology North Bangkok
Important Trainings/Seminars
  • Subsidiary Governance Program (SGP 4/2023), Thai Institute of Directors Association
  • Director Certification Program (DCP 314/2022), Thai Institute of Directors Association
  • Financial Accounting, Harvard Business School
  • Leadership Succession Program, Foundation of the Government Organization Research and Development Institute
  • Essential Commercial Contracts for Non-Legal Managers, Asia Business Connect
  • Enterprise Risk Management, Management & Psychology Institute (MPI)
  • Preliminary to Power Purchase Agreement Cross-border Hydropower Project, EGAT ACADEMY
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2024 - 2026 : Executive Vice President - Power Project Development, RATCH Group Public Company Limited
2019 - 2025 : Board of Directors Member, Asia Water Company Limited
2023 - 2024 : Acting Executive Vice President - Power Project Development, RATCH Group Public Company Limited
2020 - 2024 : Board of Directors Member, R E N Korat Energy Company Limited
2022 - 2023 : Board of Directors Member, Sahacogen Green Company Limited
: Board of Directors Member, Sahagreen Forest Company Limited
2021 - 2023 : Board of Directors Member and Managing Director, Sahacogen (Chonburi) Public Company Limited
2023 : Senior Vice President reporting to Chief Power Business Development Officer, RATCH Group Public Company Limited
: Vice President report to Chief Power Business Development Officer, RATCH Group Public Company Limited
: Vice President - Head of Power Business - Domestic and Neighboring Countries Department, RATCH Group Public Company Limited
2021 - 2022 : Vice President - Head of Domestic and Neighboring Countries Investment Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2026 - Present : Managing Director, RATCH-Lao Services Company Limited
: Managing Director, Asia Water Company Limited
2025 - Present : Commissioner, PT Paiton Energy
: Commissioner, PT Paiton Operation and Maintenance Indonesia
: Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
: Board of Directors Member, Minejesa Capital B.V.
2024 - Present : Board of Directors Member, Xekong 4 Power Company Limited
2020 - Present : Board of Directors Member, Siphandone-RATCH Lao Company Limited
Ms. Chatuporn Laohapiboonratana
Ms. Chatuporn Laohapiboonratana
Executive Vice President, Asset Management

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

54 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

1 April 2026

Education
  • Master of Business Administration, Kasetsart University
  • Bachelor of Accountancy (Accounting) (2nd Class Honors), Chiang Mai University
Important Trainings/Seminars
  • Merger and Acquisition Masterclass. KPMG
  • TFRS 18, NYC Management Co., Ltd.
  • Director Development Program, Thai Institute of Directors
  • The Board’s Role in Mergers and Acquisition (BMA) 13/2025, Thai Institute of Directors
  • Accounting Red Flags for Effective Management, Dharmniti Seminar and Training Co., Ltd.
  • 2025 Deferred Tax and the Impact of International Tax Reform-Pillar 2 Model Rule, NYC Management Co., Ltd.
  • CFO 2024, NYC Management Co., Ltd.
  • TFRS for PAEs, NYC Management Co., Ltd.
  • TFRS 16 Lease Agreements: Practical Issues, Solutions, and Accounting Relief Measures Amid COVID-19, NYC Management Co., Ltd.
  • AI and IOT Summit 2020, Ministry of Digital Economy and Society
  • Provident Fund Committee Member, Association of Provident Funds
  • IPP Project Finance, Baker & Mckenzie
  • CEPSI, The Association of the Electricity Supply Industry of East Asia and the Western Pacific (AESIEAP)
  • Chief Financial Officer Certificate Program, Federation of Accounting Professions of Thailand
  • EGAT Get Ready Program III, EGAT
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2026 : Senior Vice President, Report to Chief Executive Officer, RATCH Group Public Company Limited,
Seconded to be Chief Financial Officer, PT Tapanuli Hydro Energy
2025 : Board of Directors Member, Things on Net Co., Ltd.
: Senior Vice President, Report to Chief Executive Officer, RATCH Group Public Company Limited
2024 - 2025 : Senior Vice President, Report to Chief Executive Officer, RATCH Group Public Company Limited,
: Seconded to be Deputy Managing Director of Finance, Smart Infranet Company Limited
2023 - 2024 : Senior Vice President, Report to Executive Vice President - Related and New Business, RATCH Group Public
Company Limited, Seconded to be Deputy Managing Director of Finance, Smart Infranet Company Limited
2021 - 2023 : Senior Vice President, Report to Chief Asset Management Officer, RATCH Group Public Company Limited,
Seconded to be Deputy Managing Director of Finance, Smart Infranet Company Limited
2017 - 2023 : Board of Director, Ratchaburi Alliance Co., Ltd.
2021 : Senior Vice President, Report to Chief Financial Officer, RATCH Group Public Company Limited,
Seconded to be Deputy Managing Director of Finance, Smart Infranet Company Limited
2020 - 2021 : Vice President, Report to Chief Financial Officer, RATCH Group Public Company Limited,
: Seconded to be Deputy Managing Director of Finance, Smart Infranet Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2026 - Present : Chief Financial Officer, PT Tapanuli Hydro Energy
: Board of Directors Member, RH International Corporation Limited
2025 - Present : Chaiman of the Board of Director, Ratchaburi Alliance Co., Ltd.
: Board of Directors Member, RATCH Energy Rayong Co., Ltd.
: Board of Directors Member, Principal Healthcare-Sakon Nakhon Co., Ltd.
: Board of Directors Member, Principal Healthcare- Mukdahan Co., Ltd
: Board of Directors Member, Ratchaburi Power Co., Ltd.
: Board of Directors Member, RATCH-Lao Services Co., Ltd.
: Board of Directors Member, An Binh Investment Group JSC.
: Board of Directors Member, RATCH Cogeneration Co., Ltd.

Notes : EGAT stands for Electricity Generating Authority of Thailand

Mr. Jittasak Soonthornpan
Mr. Jittasak Soonthornpan
Executive Vice President, Finance

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

46 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date

1 April 2026

Education
  • Master of Science in Financial Analysis and Fund Management (with Merit), University of Exeter, United Kingdom
  • Master of Arts in International Economics and Finance (International program) Chulalongkorn University
  • Bachelor of Business Administration (Finance), Thammasat University
Important Trainings/Seminars
  • Executive Development Program, Class 23 (2023), Thai Listed Companies Association
  • Director Certification Program (DCP 329/2022), Thai Institute of Directors Association
  • Chief Financial Officer Certification Program, Class 23 (2021), Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • The Leadership Course for Graduate Scheme Staff (2007), Royal Dutch Shell, Shell Life, Singapore
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2025 - 2026 : Executive Vice President - Finance, RATCH Group Public Company Limited
2008 - 2025 : Vice President, Finance and Accounting, PTT Global Chemical Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Commissioner, PT Paiton Energy
Miss Saowanee Deetayat
Miss Saowanee Deetayat
Executive Vice President, Accounting

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

47 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Bachelor of Business Administration (Accounting), Kasetsart University
Important Trainings/Seminars
  • Chief Financial Officer Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Director Development Program, Thai Institute of Directors Association
  • Finance For Growth
  • Accounting, Hedging Tools, NYC Management Co., Ltd.
  • Change, Disruption and Growth, Miss Consult Co., Ltd.
  • Leadership Awareness, Miss Consult Co., Ltd.
  • Criminal Liabilities and Exposure - What Directors and Management Need to Know, Baker & McKenzie
  • Risk and Liabilities of Executives and Directors, Baker & McKenzie
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2025 - 2026 : Senior Vice President - Head of Accounting Control and Analysis Department, RATCH Group Public Company Limited
2023 - 2025 : Vice President - Head of Accounting Control and Analysis Department, RATCH Group Public Company Limited
2021 - 2023 : Manager - General Accounting Division, RATCH Group Public Company Limited
2020 - 2021 : Business Analyst Department Manager, Thai Union Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, Nava Nakorn Electricity Generating Company Limited
: Board of Directors Member, SouthEast Asia Energy Limited
: Board of Directors Member, Nam Ngum 2 Power Company Limited
Mrs. Charusuda Boonkerd
Mrs. Charusuda Boonkerd
Executive Vice President, Corporate Strategy and Sustainability
Secretary to the Human Resources and Remuneration Committee
Secretary to the Risk Management Committee
Secretary to the Corporate Governance and Sustainability Committee

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

57 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 April 2026

Education
    Master of Political Science (International Affairs and Diplomacy), Thammasat University Bachelor of Political Science (International Affairs), Thammasat University
Important Trainings/Seminars
  • Merger and Acquisition Masterclass, KPMG
  • Director Development Program, Thai Institute of Directors Association
  • ESG Leadership Class 3, Foundation for Research and Development of Government Organizations
  • Senior leaders in sustainable business, Class 1, Kasetsart University
  • Data Security and Personal Data Privacy Awareness, DDTI and DBC Group
  • Develop sustainability reporting according to the GRI Standard framework of Thaipat Institute
  • MIT Global Startup Workshop 2018, Massachusetts Institute of Technology (MIT)
  • New productivity in the future The Future of Productivity in Industry 4.0 Era National Productivity Institute
  • Innovation Path and Sustainability SCG, National Productivity Institute
  • ISO55000 Awareness, Lloyds Register LRQA
  • Senior Executive Program, Sasin Graduate Institute of Business Administration
  • EGAT Get Ready Program, EGAT
  • Anti-Corruption the Practical Guide, Thai Institute of Directors Association
  • CSR, Guidelines for a Sustainable Organization, The Sustainable Business Development Institute
  • Financial Thinking for Non-Financial managers, Sasin Graduate Institute of Business Administration
  • ISO 26000 Standards for Social Responsibility, Thai Institute of Directors Association
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2023 - 2026 : Senior Vice President - Head of Corporate Affairs Department, RATCH Group Public Company Limited
2014 - 2022 : Senior Vice President - Head of Corporate Relations Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, RATCH Cogeneration Company Limited

Note: EGAT stands for Electricity Generating Authority of Thailand

Mr. Nawapol Disathien
Mr. Nawapol Disathien
Executive Vice President, Legal and Corporate Service

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

56 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 1 April 2026
Education
  • Master of Law (International Legal Studies), Golden Gate University, California, USA
  • Bachelor of Laws, Thammasat University
Important Trainings/Seminars
  • Advanced Retail Business Management Program, Class 39 (2025), Panyapiwat Institute of Management (PIM)
  • ESG Leadership Program, Class 2 (2024), Institute of Research and Development for Public Enterprises (IRDP)
  • Advanced Master of Management Program, Class 9 (2023), National Institute of Development Administration
  • Director Certification Program (DCP 201/2015), Thai Institute of Directors Association
  • SEP Executive Program (2006), SASIN Graduate Institute of Business Administration, Chulalongkorn University
  • Leadership Succession Program (LSP-7), IRDP
  • Certificate in Public Law, Faculty of Law, Thammasat University
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2021 - 2026 : Secretary to the Human Resources and Remuneration Committee, RATCH Group Public Company Limited/1
2026 : Executive Vice President - Corporate Administration and seconded to be Company Secretary, RATCH Group Public Company Limited
2021 - 2026 : Executive Vice President - Corporate Administration, RATCH Group Public Company Limited
2021 - 2024 : Secretary to the Corporate Governance and Sustainability Committee, RATCH Group Public Company Limited
2011 - 2020 : Senior Vice President - Head of Legal Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Chairman of Directors Member, RH International Corporation Limited
: Board of Directors Member, RATCH-Australia South Australia (Management) Pty Ltd. and other subsidiaries of RATCH-Australia South Australia (Management) Pty Ltd.
: Board of Directors Member, RATCH-Australia Corporation Limited and other subsidiaries of RATCH-Australia Corporation Pty Ltd
: Board of Directors Member, Northern Bangkok Monorail Company Limited
: Board of Directors Member, Eastern Bangkok Monorail Company Limited
2022 - Present : Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
: Board of Directors Member, Hin Kong Power Holding Company Limited
: Board of Directors Member, Solar Power (Korat 3) Company Limited
: Board of Directors Member, Solar Power (Korat 4) Company Limited
: Board of Directors Member, Solar Power (Korat 7) Company Limited
2020 - Present : Board of Directors Member, Xe-Pian Xe-Namnoy Power Company Limited

Notes: /1 Retired from the position from 23 April 2026 onwards.

Thanakorn Wangpipatwong, Ph.D.
Thanakorn Wangpipatwong, Ph.D.
Executive Vice President, Digital Transformation and Information Technology

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

54 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Doctor of Philosophy (Information Technology), King Mongkut's University of Technology Thonburi
  • Master of Science (Computer Science), Texas A&M University
  • Bachelor of Science (Computer Science), Bangkok University
Important Trainings/Seminars
  • Directors Certification Program (DCP) Thai Institute of Directors Association
  • Ethical Leadership Program (ELP) Thai Institute of Directors Association
  • The Cullinan: The Making of Digital Board Program, Thailand Management Association
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2021 – 2026 : Deputy Chief Executive Officer, Information and Digital Division, Bangkok Commercial Asset Management Public Company Limited
2019 – 2021 : Vice President, Strategic Project, Muang Thai Life Assurance Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
None
Yeamyut Sangkittipaiboon, Ph.D.
Yeamyut Sangkittipaiboon, Ph.D.
Senior Vice President, Corporate Finance Division

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

44 years

The Company’s Securities Holding Proportion (%)
  • Direct : 0.00023
  • Indirect : 0.00011
Starting Date of Position

1 April 2026

Education
  • Doctor of Public Administration (Public and Private Management), National Institute of Development Administration
  • Master of Business Administration (Business Administration), The University of the Thai Chamber of Commerce
  • Bachelor of Accountancy (Management), The University of the Thai Chamber of Commerce
Important Trainings/Seminars
  • Director Development Program, Thai Institute of Directors Association
  • Investment Guidelines for Power Plant Projects in Foreign Countries, EGAT
  • Financial Model, Phatra Securities Public Company Limited
  • Techniques for Creating Accounting Information Systems and Financial Management Systems in the Transformation era, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • New Paradigm of ESI in Thailand, Electricity Industry Association of Thailand (TESIA)
  • Business Combinations and Advanced Consolidation Operations, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2025 - 2026 : Senior Vice President - Head of Financial Planning and Management Department, RATCH Group Public Company Limited
2023 - 2025 : Board of Directors Member, Smart Infranet Company Limited
: Vice President - Head of Financial Planning and Management Department, RATCH Group Public Company Limited
2022 - 2023 : Manager - Head of Project Finance Division, Financial Planning and Management Department, RATCH Group Public Company Limited
2021 - 2022 : Manager - Financial Planning and Management Division, RATCH Group Public Company Limited
2021 : Manager reporting to Chief Business Development Officer, RATCH Group Public Company Limited
2020 - 2021 : Manager - Head of Project Finance Department, Financial Planning and Management Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, R E Green Energy Company Limited

Notes : EGAT stands for Electricity Generating Authority of Thailand

Miss Puthachard Smitamegha
Miss Puthachard Smitamegha
Senior Vice President, Tax Management and Accounts Payable Division

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

51 years

The Company’s Securities Holding Proportion (%)
  • Direct: 0.00014
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Master of Business Administration (Accounting), The University of the Thai Chamber of Commerce
  • Bachelor of Accountancy (Financial Accounting), The University of the Thai Chamber of Commerce
Important Trainings/Seminars
  • Graduate Diploma in Taxation, The University of the Thai Chamber of Commerce
  • CFO in Practice Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Mini MBA, Thammasat University
  • Fundamental Knowledge of Small Modular Reactor (SMR) Technology: Small-Scale Nuclear Power Plants for the Future, Chula Unisearch Chulalongkorn University
  • The Essence of Team Management, M.I.S.S. Consult Company Limited
  • Thai Accounting Standards for Public Company, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Economic Value Added, Faculty of Commerce and Accountancy, Chulalongkorn University
  • International Trade Tax, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Awareness on Energy Conservation, The Federation of Thai Industries
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2025 - 2026 : Senior Vice President - Head of Tax Management and General Ledger Department, RATCH Group Public Company Limited
2024 - 2025 : Managing Director, Ratchaburi Energy Company Limited
2020 - 2025 : Vice President - Head of Tax Management and General Ledger Department, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 - Present : Board of Directors Member, IPM Asia Pte. Ltd.
: Board of Directors Member, IPM Operation & Maintenance Services Pte. Ltd.
: Board of Directors Member and Managing Director, RH International Corporation Limited
: Board of Directors Member, RH International (Mauritius) Corporation Limited
: Board of Directors Member, RH International (Singapore) Corporation Pte. Ltd.
2024 - Present : Board of Directors Member, Ratchaburi Energy Company Limited
Miss Anongnuch Tangthanawatskul
Miss Anongnuch Tangthanawatskul
Senior Vice President, Financial Accounting Division (Chief Accountant)

* Executives according to the definition of the Notification of the SEC Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Securities

Age

39 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position
  • 1 April 2026
Education
  • Bachelor of Business Administration (Accounting), Assumption University
Important Trainings/Seminars
  • Chief Financial Officer Certification Program, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Director Development Program, Thai Institute of Directors Association
  • Professional Accountant Certificate, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Overview of Financial Reporting Standards, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Code of Ethics for Professional Accountants, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Root Cause Analysis for Effective Communication of Audit Findings, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Value and resilience through risk management, The Stock Exchange of Thailand
  • IFRS/TFRS Intermediate Periodic Update, KPMG Phoomchai Audit Ltd.
  • ACE Leadership Program, KPMG ASPAC Professional Development
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2026 : Senior Vice President - Head of General Accounting Department, RATCH Group Public Company Limited
2023 - 2026 : Vice President - Head of General Accounting Department
2022 - 2023 : Controller, SOX, International Accounting GAAP& Projects, APAC, Atotech (Thailand) Co., Ltd.
2019 - 2022 : Associate Director, KPMG Phoomchai Audit Ltd.
Current Positions
Other Listed Companies
None
Non-listed Organizations
None
Mr. Yuwasan Vivekmetakorn
Mr. Yuwasan Vivekmetakorn
Senior Vice President, Company Secretary Office
and Seconded to be Company Secretary
Age

48 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Directorship

1 April 2026

Education
  • Master of Laws, University of Leeds, UK
  • Bachelor of Laws, Thammasat University
Important Trainings/Seminars
  • Merger and Acquisition Masterclass, KPMG
  • Director Development Program, Thai Institute of Directors Association
  • Leadership Succession Program (LSP) Class 16, Foundation for Research and Development of Government Organizations
  • Arbitration proceedings, Legal training and counseling center Faculty of Law Thammasat University
  • 360 Degree Leadership Course, Maxwell Institute
  • Certificate courses Environmental Law, Lawyers Council
  • Certificate courses English Training, Queen Mary University, United Kingdom
  • Certificate courses Lawyer who certifies signatures and documents, Lawyers Council
  • Certificate Program in Administrative Law, Thai Bar Association
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2026 : Senior Vice President - Head of Company Secretary Office, RATCH Group Public Company Limited
: Vice President - Head of Company Secretary Office, RATCH Group Public Company Limited
2022 - 2026 : Vice President - Head of Legal Department, RATCH Group Public Company Limited
2014 - 2022 : Legal Director, DHSK (Thailand) Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
2025 – Present : Board of Directors Member, R.E. Green Energy Company Limited
2022 – Present : Board of Directors Member, Nexif Energy Holding B.V.
: Board of Directors Member, Nexif Energy Thailand B.V.
: Board of Directors Member, Nexif Energy Hydro B.V.
: Board of Directors Member, Nexif Energy Australia Holdings B.V.
: Board of Directors Member, Lao Cai Renewable Energy (Vietnam) JSC.

Miss Kamolkarn Hinviman
Miss Kamolkarn Hinviman
Senior Vice President, Internal Audit Division (Head of Internal Audit)
Secretary to the Audit Committee
Age

55 years

The Company’s Securities Holding Proportion (%)
  • Direct: None
  • Indirect: None
Starting Date of Position

1 April 2026

Education
  • Master of Accountancy, Chulalongkorn University
  • Bachelor of Accountancy, Chulalongkorn University
Important Trainings/Seminars
  • Smart KPIS for Internal Audit Professional, The Institute of Internal Auditors of Thailand
  • Enterprise Risk Management, The Stock Exchange of Thailand
  • Tax Controller for Finance & Accounting Executive, School of Tax
  • Fraud Audit, The Institute of Internal Auditors of Thailand
  • Risk Based Audit, The Institute of Internal Auditors of Thailand
  • Anti-Corruption: The Practical Guide, Thai Institute of Directors Association
  • Analytical Thinking in the Internal Audit Process, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • COSO, the Newest Internal Audit Framework, Federation of Accounting Professions Under The Royal Patronage of His Majesty The King
  • Consulting for Internal Auditor, The Institute of Internal Auditors of Thailand
Work Experiences in the Previous 5 Years (Year 2021 - 2026)
2025 - 2026 : Senior Vice President - Head of Internal Audit Department, RATCH Group Public Company Limited
2020 - 2025 : Vice President - Head of Internal Audit Department, RATCH Group Public Company Limited
2018 - 2019 : Senior Assistance Vice President, Internal Audit Division, RATCH Group Public Company Limited
Current Positions
Other Listed Companies
None
Non-listed Organizations
None