Mr. Saharat Vatanatumrak

Chief Officer – Corporate

Executive Information

Mr. Sudusit Ounsangchan

Chief Officer –
Coal Business Development

Executive Information

Mrs. Petcharat Chayanon

Chief Officer – Finance and Accounting

Executive Information

Mr. Vacharachai Nachailert

Chief Officer – Domestic Marketing

Executive Information

Mr. Prasert Promdech

Chief Officer – International Marketing

Executive Information

Mr. Bandhit Ngarmkum

Chief Officer –
Renewable Energy Business
Development

Executive Information

×

Mr. Saharat Vatanatumrak


Positions: Chief Officer – Corporate, Company Secretary, Risk Management Committee Member, Corporate Governance Committee Member and Secretary, and Nomination and Remuneration Committee Secretary
Age: 58 years
Nationality: Thai
Education
• Bachelor of Engineering (Electrical Engineering), University of California, Los Angeles (UCLA), USA
• Certificate: Thai Institute of Directors Association
    How to Develop a Risk Management Plan (HRP), Class 6/2014
    CG Report Assessment Criteria, 2015
    CG Report, 2015
    Ethical Leadership Program (ELP), Class 5/2016
    Enhancing Good Corporate Governance based on CGR Scoreboard, 2016
    Seminar on Director Compensation Survey Report, 2016
    CGR Workshop 1/2017 “Enhancing Good Corporate Governance based on CGR Scorecard”
    Open House for Company Secretary, 2017
    Effective Minutes Talking-EMT Class 40/2018
    Role of Company Secretary in Shaping Corporate Culture, 2019
    Company Secretary Forum, 2021
    Subsidiary Governance Program (SGP), Class 3/2022
    Company Secretary Forum, 2022
• The Stock Exchange of Thailand (SET):
    CSR Engagement, 2014
    CG Forum 1/2016 “Ethics: Conscience on Good Governance Principle”
• The Securities and Exchange Commission (SEC):
    PDPA Onboarding, 2022
    Greenhouse Gas Reduction Targets, Reduction Guidelines, Reporting, and Compensation, 2022
    Business Model Reinvention for Corporate Sustainability, 2022
    Connecting Corporates and Investors through Environmental Disclosure, 2022
• Courses related to the duties of Company Secretary
    Corporate Secretary Development Program, Chulalongkorn University, 2004
    Company Secretary Program (CSP), Class 67/2015, Thai Institute of Director Association, 2015
    Board Reporting Program (BRP) Class 20/2016, Thai Institute of Director Association, 2016
    Effective Minutes Taking (EMT) Class 40/2018, Thai Institute of Director Association, 2018
• CEO and IR Talk, Thai Listed Company Association, 2018
• Other courses:
    Biomass and Waste Conversion Technologies, King Mongkut’s University of Technology North Bangkok, 2008
    Thai Intelligent Investors Program Class 18, Thai Investors Association, 2018
    The 4 Essential Roles of Leadership, PacRim Leadership Center Co., Ltd., 2020
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    Understanding and Implementing the Personal Data Protection Act for Business Establishments, HR Center Co.,Ltd., 2022
Shareholding in the Company as at December 31, 2022: 186,986 shares or 0.036 percent of all shares with voting rights
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
• Listed Company – None
• Non-Listed Company – 4 Companies
    2020-Present: Director and Authorized Director, SRT Power Pellet Co., Ltd. (Subsidiary) / Energy and Utilities
    2016-Present: Director and Authorized Director, Lanna Power Generation Co., Ltd. (Subsidiary) / Energy and Utilities
    2008-Present: Commissioner, PT. Singlurus Pratama (Subsidiary) / Energy and Utilities
    2004-Present: Commissioner, PT. Lanna Harita Indonesia (Subsidiary) / Energy and Utilities
Past 5-Year Work Experience:
    2015-Dec. 2022: Director, PT. Lanna Power Indonesia (Subsidiary)
    2010-2015: Commissioner, PT. Lanna Power Indonesia (Subsidiary)
    2008-2015: Senior Manager, Business Development, Lanna Resources Public Co., Ltd.
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Mr. Sudusit Ounsangchan


Positions: Chief Officer – Coal Business Development, Risk Management Committee Member, and Corporate Governance Committee Member
Age: 58 years
Nationality: Thai
Education
• Bachelor of Engineering (Mining Engineering), Chulalongkorn University
• Certificate: Thai Institute of Directors Association
    Anti-Corruption in Practice, 2015
    How to Develop a Risk Management Plan (HRP), Class 10/2016
    Director Accreditation Program (DAP), Class 128/2016
    Ethical Leadership Program (ELP), Class 24/2021
• The Stock Exchange of Thailand (SET):
    CSR Engagement, 2014
    CG Forum 1/2016 “Ethics: Good Governance on Consciousness”, 2016
• Other courses:
    Creative Thinking and Analysis, The National Institute of Development Administration (NIDA), 2013
    A Leader with Positive Attitude, People Synergy Co., Ltd., 2015
    New Power Development Plan (2015-2036) Future of Thailand’s Industry, The Institute of Industrial Energy, 2015
    Public Hearing Seminar on Coal Fuel Act Draft, Department of Mineral Fuels, 2016
    Industrial Environmental Management, Technology Promotion Association (Thailand-Japan), 2017
    Executive Energy Program, Class 3/2017, Federation of Thai Industries, 2017
    The 4 Essential Roles of Leadership, PacRim Leadership Center Co., Ltd., 2020
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    Understanding and Implementing the Personal Data Protection Act for Business Establishments, HR Center Co.,Ltd., 2022
Shareholding in the Company as at December 31, 2022: 901 shares or 0.00 percent of all shares with voting rights
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
• Listed Company – 1 Company
    2019-Present: Chairman, ASN Broker Public Co., Ltd. / Finance
    2016-Present: Independent Director and Audit Committee Member, ASN Broker Public Co., Ltd. / Finance
• Non-Listed Company – 2 Companies
    2017-Present: Director, PT. Singlurus Pratama Co., Ltd. (Subsidiary) / Energy and Utilities
    2016-Present: Director and Authorized Director, Lanna Power Generation Co., Ltd. (Subsidiary) / Energy and Utilities
Past 5-Year Work Experience:
    2019-2021: Vice Chairman, ASN Broker Public Co., Ltd.
    2010-2015: Senior Manager, Core Business Development, Lanna Resources Public Co., Ltd.
    2003-2008: Manager, Core Business Development, Lanna Resources Public Co., Ltd.
    1997-2002: Manager, Planning, Lanna Resources Public Co., Ltd.
    1987-1996: Mining Engineer, Sahakol Engineering Co., Ltd.
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Mrs. Petcharat Chayanon


Positions: Chief Officer – Finance and Accounting, Risk Management Committee Member, and Corporate Governance Committee Member
Age: 55 years
Nationality: Thai
Education:
• B.A. (Accounting), Thammasat University
• Certificate: Thai Institute of Directors Association
    How to Develop a Risk Management Plan (HRP), 10/2016
    Anti-Corruption in Practice, 2016
    TLCA CFO Professional Development Program (TLCA CFO CPD), 2019
    Ethical Leadership Program (ELP) Class 24/2021
• Federation of Accounting Professions Courses:
    Financial Reporting Standards: TFRS, 2013
    Draft of International Financial Reporting Standards: Financial Instruments, Accounting for Hedging and Rental Contracts, 2013
    International Tax Transactions, 2019
    CFO Current Issues, 2016
    Accounting Executive on Value Added and Sustainability of the Business According to Thailand 4.0 Model, 2018
    TFRS Sharing in Practices, 2019
    Future of Finance-Digital Disruption, 2019
• The Stock Exchange of Thailand (SET):
    Accounting Standards for Financial Instruments..Coming Soon, 2013
    Strategic CFO in Capital Markets, 2015
    CFO Refresher Course 2022
• Thai Listed Companies Association (TLCA):
    CEO in IR Role and His Key Challenges and Breakout session: Group therapy “What has been your Challenges in 2014 and dealing with it”, 2015
    Strategic Financial Leadership Program (SFLP), 2018
    TLCA CFO CPD No. 7/2022: Introduction to Sustainable Finance, 2022
• Other courses:
    The Impact of TFRS9 Reporting on the Organization’s Risk Management, Kasikornbank Public Co., Ltd., 2018
    Intensive Taxes Inspecting, Dharmniti Seminar and Training Co., Ltd., 2018
    Transfer Pricing Disclosure Form, Revenue Department, 2020
    The 4 Essential Roles of Leadership, PacRim Leadership Center Co., Ltd., 2020
    Tax Risk Management, Proactive Learning Center, 2020
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    Key Important Issues on Corporate Income, Accounting Coach (Thailand) Co., Ltd., 2021
    Income Tax Changes and Tax Audit Direction of the Revenue Department, Accounting Coach (Thailand) Co., Ltd., 2021
    Understanding and Implementing the Personal Data Protection Act for Business Establishments, HR Center Co., Ltd., 2022
    Mergers & Acquisitions (M&A): Tax Obligations and Legal Requirements, Dharmniti Seminar and Training Co., Ltd., 2022
    PDPA for Accounting and Finance: Personal Data Protection Act, Dharmniti Seminar and Training Co., Ltd., 2022
    Mergers & Acquisitions: New Directions, Strategies, Contract, and Negotiation – Commercial, Financial, Legal & Tax
    Strategies for the Best M&A Deal, Omega World Class Research Institute, 2022
Shareholding in the Company as at December 31, 2022: 147,659 shares or 0.028 percent of all shares with voting rights
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
• Listed Company – None
• Non-Listed Company – 1 Company
    2009-Present: Commissioner, PT. Singlurus Pratama (Subsidiary) / Energy and Utilities
Past 5-Year Work Experience:
    2010-Dec. 2022: Director, PT. Lanna Power Indonesia (Subsidiary)
    2005-2015: Senior Manager – Accounting and Administration, Lanna Resources Public Co., Ltd.
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Mr. Vacharachai Nachailert


Positions: Chief Officer – Domestic Marketing, Risk Management Committee Member, and Corporate Governance Committee Member
Age: 60 years
Nationality: Thai
Education
• B.A (Political Science), Ramkhamhaeng University
• Certificate: Thai Institute of Directors Association
    How to Develop a Risk Management Plan (HRP), Class 9/2016
    Anti-Corruption: The Practical Guide (ACPG), Class 42/2017
• Other courses:
    Boost Up Inspiration to Success, 2014
    A Leader with Positive Attitude, 2015
    Modern Supervisor Skills, 2016
    The 4 Essential Roles of Leadership, PacRim Leadership Center Co., Ltd., 2020
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    Understanding and Implementing the Personal Data Protection Act for Business Establishments, HR Center Co., Ltd., 2022
Shareholding in the Company as at December 31, 2022: 185,303 shares or 0.035 percent of all shares with voting rights
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
• Listed Company – None
• Non-Listed Company – None
Past 5-Year Work Experience:
    2008-2015: Senior Manager – Domestic Coal Sales, Lanna Resources Public Co., Ltd.
    1996-2007: Manager-Domestic Coal Sales, Lanna Resources Public Co., Ltd.
    1992-1996: Section Head-Coal Sales, Lanna Resources Public Co., Ltd.
×

Mr. Prasert Promdech


Positions: Chief Officer – International Marketing, Risk Management Committee Member, and Corporate Governance Committee Member
Age: 54 years
Nationality: Thai
Education
• MBA, Sasin Graduate Institute of Business Administration of Chulalongkorn University
• Bachelor of Engineering (Mining Engineering), Chulalongkorn University
• Certificate: Thai Institute of Directors Association
    How to Develop a Risk Management Plan (HRP), Class 9/2016
    Risk Management Program for Corporate Leaders (RCL), class 29/2022
• Other courses:
    Coal Trading & Risk Management, Coaltrans Conferences Ltd., Singapore, 2014
    24th Coaltrans Asia, Coaltrans Conferences Ltd., 2018
    China & International Coal Supply Summit, HIS Global Inc., 2018
    17th Coaltrans China 2019, Coaltrans Conferences Ltd., 2019
    Trade and Development Regional Forum, International Institute for Trade and Development, 2019
    Coaltrans Japan 2019, Coaltrans Conferences Ltd., 2019
    The 4 Essential Roles of Leadership, PacRim Leadership Center Co., Ltd., 2020
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    The Future of Financial System, Krungthep Turakij Media Co., Ltd., 2021
    Coaltrans Asia 2022, Coaltrans Conference ltd., 2022
Shareholding in the Company as at December 31, 2022: None
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
• Listed Company – None
• Non-Listed Company – 1 Company
    2008-Present: Commissioner, PT. Singlurus Pratama (Subsidiary) / Energy and Utilities
Past 5-Year Work Experience:
    2010-Dec. 2022: Director, PT. Lanna Power Indonesia (Subsidiary)
    2006-2015: Senior Manager – International Coal Sales, Lanna Resources Public Co., Ltd.
    2000-2004: Chief Coal Transshipment, PT. Lanna Harita Indonesia (Subsidiary)
×

Mr. Bandhit Ngarmkum


Positions: Chief Officer – Renewable Energy Business Development
Age: 55 years
Nationality: Thai
Education
● Bachelor of Engineering (Electrical Engineering), King Mongkut’s Institute of Technology Ladkrabang
● Thai Listed Company Association:
    Executive Development Program (EDP), Class 12/2012
● Other courses:
    Anti-Corruption, CAC Change Agent Program, CAC, 2021
    Creating Agile Enterprise Architecture Intensive, Thai Digital Technology User Group Association, 2021
    Understanding and Implementing the Personal Data Protection Act for Business Establishments, HR Center Co., Ltd., 2022
Shareholding in the Company as at December 31, 2022: None
Direct and indirect interest in any of business with Company and its subsidiaries: None
Family Relationship with Executives: None
Number of Director Positions in other Business
● Listed Company – None
● Non-Listed Company – None
Past 5-Year Work Experience:
    2020-Present: Chief Executive Officer, SRT Power Pellet Co., Ltd. (Subsidiary)
    2018-2019: Senior Production Manager – Siam City Cement Public Co., Ltd.