Notification on the Appointment of Directors and Sub-Committee Members,

Resignation of Director

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2024 (Revised)

Management Discussion and Analysis Quarter 1 Ending 31 Mar 2024

Financial Performance Quarter 1 (F45) (Reviewed)

Financial Statement Quarter 1/2024 (Reviewed)

Submission of Global Power Synergy Public Company Limited and its subsidiaries' Financial Statements and Management's Discussion and Analysis (MD&A) for the 3-month period ended March 31, 2024

Disclosure of the Minutes of Meeting of the 2024 Annual General Meeting of Shareholders

Notification on the Appointment of Chairman of the Board of Directors and Sub-Committee Members,

Shareholders meeting's resolution

Disclosure of Invitation Notice for the 2024 Annual General Meeting of Shareholders on the Company's Website

Notification on the Appointment of New Director Replacing the Resigned Director,

Scheduling of the 2024 Annual General Meeting of Shareholders , the Date to Record the Names of the Shareholders Who are Entitled to the AGM 2024 and to receive dividend (Record Date) and Agenda for the AGM 2024

Management Discussion and Analysis Yearly Ending 31 Dec 2023

Financial Statement Yearly 2023 (Audited)

Financial Performance Yearly (F45) (Audited)

Submission of Global Power Synergy Public Company Limited and its subsidiaries' Financial Statements for the year ended December 31, 2023, and operating results

Notification of the signing a Business Transfer Agreement of joint investment company

The purchase of shares from a subsidiary of PTT Public Company Limited, which is considered as a Connected Transaction and Acquisition of Asset Transaction

The renewal of the Inter-Company Borrowing and Lending Agreement (ICBL) between GPSC and PTT