Position
Vice Chairman of the Board of Directors, Independent Director, Audit Committee, Chairman of Nomination and Remuneration Committee, Chairman of Corporate Governance Committee

Age : 79 years

Education

• Doctor of Philosophy in Electrical Engineering, University of Missouri of Science and Technology, USA
• Master Degree of Electrical Engineering, Stanford University, USA
• Bachelor of Engineering Program in Electrical Engineering (First-Class Honor), Chulalongkorn University
• Certificate in Regulatory Economics and Processes, University of Florida, USA
• Certificate in Telecommunications, Southern Alberta Institute of Technology, Canada
• Director Accreditation Program (DAP) class 78/2009, Thai Institute of Director
• Ethical Leadership Program (ELP) class 22/2021, Thai Institute of Director
• Preparation for post COVID-19 (once in a hundred-year crisis, opportunity and prospect offered post COVID-19 organized by EY Office

Experience (5 years past experiences)

• 2009 - Present : Vice Chairman of the Board, Chow Steel Industries Public Company Limited
• 2008 - 2020 : Vice-President of Sripatum University
• 2003 - 2020 : Director, SPUNISEARCH Co., Ltd.

Other directorship positions/Other positions at present

Other Listed companies

• -None-

Non-Listed companies

• Chairman of the University Council, Kanchanaburi Rajabhat University

Shareholding in the Company as of 31 December 2021
- None -

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Independent Director, Chairman of the Audit Committee, Chairman of Risk Management Committee, Nomination and Remuneration Committee

Age : 69 years

Education/Training

• Master of Business Administration, National Institute of Development Administration (NIDA)
• Bachelor of Accounting, Bangkok University
• Certificate Visiting Colleague Program, University of Hawaii at Manao, USA
• Certificate Advanced Higher Education Management (Class 8), Ministry of University Affairs
• Director Accreditation Program (DAP) class 28/2004 Thai Institute of Director
• Audit Committee Program (ACP) class 13/2006 Thai Institute of Director
• Preparation for post COVID-19 (once in a hundred-year crisis, opportunity and prospect offered post COVID-19 organized by EY Office

Experience (5 years past experiences)

• 2009 - Present : Independent Director, Chairman of Audit Committee, Chow Steel Industries Public Company Limited
• 2017 - Present : Vice-President of Sripatum University
• 2008 - Present : Internal Evaluator, the Commission on Higher Education)

Other directorship positions/Other positions at present

Other Listed companies

• Independent Director, Chairman of Audit Committee, President Automobile Industries Public Company Limited
• Independent Director, Chairman of Audit Committee, SONIC INTERFREIGHT Public Company Limited

Non-Listed companies

• -None-

Shareholding in the Company as of 31 December 2021
- None -

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Independent Director, Audit Committee

Age : 51 years

Education/Training

• Master of Science in Business Economics, Bentley Graduate School of Business, Massachusetts, USA
• Master of Business Administration, St. Louis University, USA
• Bachelor of Business Administration, Assumption University
• Director Accreditation Program (DAP) class 78/2009, Thai Institute of Directors
• Preparation for post COVID-19 (once in a hundred-year crisis, opportunity and prospect offered post COVID-19 organized by EY Office

Experience (5 years past experiences)

• 2009 - Present : Independent Director and Audit Committee, Chow Steel Industries Public Company Limited
• 2013 - 2015 : Deputy Managing Director, Contango Co., Ltd.
• 2007 - 2015 : Director, Mercury Nine Co., Ltd.
• 2017 - Present : Director and Chief Executive Officer, Hero Experience Co., Ltd.
• 2014 - Present : Director and Managing Director, IBUYNOW Co., Ltd.
• 2021 - Present : Director and Managing Director, Sirinavin Valley Co., Ltd.

Other directorship positions/Other positions at present

Other Listed companies

• -None-

Non-Listed companies

• Director and Chief Executive Officer, Hero Experience Co., Ltd.
• Director and Managing Director, IBUYNOW Co., Ltd.
• Director and Chief Executive Officer, PMD Plus Co., Ltd.
• Director and Managing Director, Sirinavin Valley Co., Ltd.

Shareholding in the Company as of 31 December 2021
- None -

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Independent Director, Audit Committee, Risk Management Committee, Corporate Governance Committee

Age : 55 years

Education/Training

• Master of Laws Degrees in Business Law, Ramkhamhaeng University
• Master of Business Administration, Sripatum University
• Bachelor of Laws, Ramkhamhaeng University
• Graduate Diploma Program in Business Law, Ramkhamhaeng University
• Certificate program in Accounting and Taxation, The Central Tax Court
• Director Accreditation Program (DAP) class 78/2009, Thai Institute of Directors
• Preparation for post COVID-19 (once in a hundred-year crisis, opportunity and prospect offered post COVID-19 organized by EY Office

Experience (5 years past experiences)

• 2019 - Present : Independent Director and Audit Committee, Chow Steel Industries Public Company Limited
• 2003 - Present : Manager, Lawyer and Legal Advisor, K & Partner Law Officer
• 2021 - Present : Deputy Secretary, The Lawyer’s Association of Thailand

Other directorship positions/Other positions at present

Other Listed companies

• Independent Director, Audit Committee, President Automobile Industries Public Company Limited
• Independent Director, Audit Committee, SONIC INTERFREIGHT Public Company Limited

Non-Listed companies

• Director and Managing Director, K & Partner Co., Ltd.

Shareholding in the Company as of 31 December 2021
- None -

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Director, Nomination and Remuneration Committee

Age : 46 years

Education/Training

• Master of Law (LLM.) in International Business Law University of Cumbria, Robert Kennedy College
• Master of Science in Computer Information System, Boston University, USA
• Master of Science in Actuarial Sciences Concentration in Mathematical Finance, Boston University, USA
• Bachelor of Business Administration (Finance and Banking), Thammasat University
• Bachelor of Laws, Ramkhamhaeng University
• Certificate in Internet Law, Harvard University, USA
• Certificate Ceremony of Participants in Patent Agent Training, Department of intellectual Property
• Certificate Lawyer in Intellectual Property Rights, The Central Intellectual Property and Internal Trade Court
• Certificate in Arbitration and mediation of disputes about the property litigation.
• Director Accreditation Program (DAP) class 50/2006, Thai Institute of Directors
• Board Nomination and Compensation Program (BNCP) class 50/2022, Thai Institute of

Experience (5 years past experiences)

• 2009 - Present : Director, Nomination and Remuneration Committee, Chow Steel Industries Public Company Limited
• 2014 - Present : Director, Chow Energy Public Company Limited
• 2007 - 2017 : Director, Intellectual Property Management Co., Ltd.
• 1999 - 2017 : Director, Lew Manomont International Law Office Co., Ltd.

Other directorship positions/Other positions at present

Other Listed companies

• Independent Director and Audit Committee, Major Development Public Company Limited (Served as the Director until 28 February 2022)

Non-Listed companies

• Director, Thai Solar Rooftop CP Co., Ltd.
• Director, Captain Cash Holding Co., Ltd.
• Director, Captain Cash Capital Co., Ltd.
• Independent Director, Audit Committee, Chairman of Nomination and Remuneration Committee, Y.S.S. (Thailand) Co., Ltd.
• Director, Manomont Real Estate Co., Ltd.

Shareholding in the Company as of 31 December 2021
- None -

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Independent Director, Corporate Governance Committee

Age : 55 years

Education/Training

• Master of Business Administration in Finance, (Honors), University of Pennsylvania, USA
• Bachelor of Science in Mechanical Engineering, Massachusetts Institute of Technology, USA
• Director Accreditation Program (DAP) class 65/2007, Thai Institute of Directors
• Director Certification Program (DCP) class 207/2015, Thai Institute of Directors

Experience (5 years past experiences)

• 2009 - Present : Independent Director, Chow Steel Industries Public Company Limited
• 2012 - Present : Partner and Chief Financial Officer, YAANA Ventures (Khiri Travel Group)
• 2007 - Present : Independent Director and Audit Committee Builder Smart Public Company Limited

Other directorship positions/Other positions at present

Other Listed companies

• Independent Director and Audit Committee Builder Smart Public Company Limited

Non-Listed companies

• -None-

Shareholding in the Company as of 31 December 2021
414,000 shares or 0.05% directly held

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : None

Criminal records on violation of securities and futures contract laws : None

Position
Director, Director with Authorized Signature, Chairman of Executive Committee, Nomination and Remuneration Committee, Risk Management Committee, Corporate Governance Committee

Age : 43 years

Education/Training

• Bachelor of Arts (Political Science), Ramkhamhaeng University
• Director Accreditation Program (DAP) Class 28/2004, Thai Institute of Director

Experience (5 years past experiences)

• 2009 - Present : Director and Chairman of Executive Committee, Chow Steel Industries Public Company Limited
• 2014 - Present : Director and Chief Executive Officer, Chow Energy Public Company Limited
• 2010 - Present : Director, The Association of Thai Steel Industries
• 2014 - 2019 : Director, Genki Sushi Bangkapi Co., Ltd.
• 2012 - 2019 : Director, Sen-Ryo Nihonmura Co., Ltd.
• 2012 - 2019 : Director, Me Concept Co., Ltd.

Other directorship positions/Other positions at present

Other Listed companies

• -None-

Non-Listed companies

• Director and Chief Executive Officer, RICI International Investment Pte. Ltd
• Director, Thai Solar Rooftop CP Co., Ltd.
• Director, Chow Shinning Energy Co., Ltd.
• Director, Chow and CKE Renewable Co., Ltd.
• Director, Vertex Logistic Service Co., Ltd.
• Director, CTLS Co., Ltd.
• Director, Chow Knitting Industrial Co., Ltd.
• Director and Managing Director, Captain Cash Holding Co., Ltd.
• Director and Managing Director, Captain Cash Capital Co., Ltd.

Shareholding in the Company as of 31 December 2021
448,500,000 shares (self 408,000,000 share and spouse 40,500,000 shares or 56.06%)

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : Spouse of Ms.Koo Man Wai and younger brother of Mrs.Sharuta Chin.

Criminal records on violation of securities and futures contract laws : None

Position
Director, Director with Authorized Signature, Executive Committee, Chief Investment Officer

Age : 48 years

Education/Training

• Book Keeping and Accountant, London Chamber of Commerce and Industry, United Kingdom
• Trading Practice Studies, Lee Wai Lee Technical Institute, Hong Kong
• Director Accreditation Program (DAP) class 28/2004, Thai Institute of Director

Experience (5 years past experiences)

• 2015 - 2022 : Chief Executive Officer, Managing Director and Acting Vice President Procurement, Chow Steel Industries Public Company Limited
• 2009 - Present : Director, Chow Steel Industries Public Company Limited
• 2014 - Present : Director, Chow Energy Public Company Limited
• 2014 - 2019 : Director, Genki Sushi Bangkapi Co., Ltd.
• 2012 - 2019 : Director, Sen-Ryo Nihonmura Co., Ltd.

Other directorship positions/Other positions at present

Other Listed companies

• -None-

Non-Listed companies

• Director, RICI International Investment Pte. Ltd

Shareholding in the Company as of 31 December 2021
448,500,000 shares (self 40,500,000 share and spouse 408,000,000 shares or 56.06%)

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : Spouse of Mr.Anavin Jiratomsiri

Criminal records on violation of securities and futures contract laws : None

Position
Director, Director with Authorized Signature, Executive Committee, Chief Business Strategy Officer

Age : 44 years

Education/Training

• Bachelor of Science in Business Administration, Suffolk Sawyer School of Management, Suffolk University, USA
• Director Accreditation Program (DAP) class 78/2009, Thai Institute of Director

Experience (5 years past experiences)

• 2009 - 2022 : Deputy Managing Director - Operation, Chow Steel Industries Public Company Limited
• 2009 - Present : Director, Chow Steel Industries Public Company Limited

Other directorship positions/Other positions at present

Other Listed companies

• -None-

Non-Listed companies

• Director, Chow International Co., Ltd.

Shareholding in the Company as of 31 December 2021
40,500,000 shares or 5.06%

Date of Appointment : March 3, 2009

Familial relationship between directors and executives : Sister of Mr.Anavin Jiratomsiri

Criminal records on violation of securities and futures contract laws : None