Shareholder Agreement to Jointly Develop a Power Project in Nakhon Ratchasima Province On March 27, 2020, the Company has entered into a Shareholder Agreement with Nava Nakorn Public Company Limited and PEA

PowerPoint Presentation Management’s Discussion and Analysis (MD&A) For the Financial Result of Quarter 3 Year 2018 Ended September 30, 2018 B.GRIMM POWER PUBLIC COMPANY LIMITED Management’s

to revision of power master plan VII, Vietnam’s electricity generating capacity is forecasted to increase to 130,000 megawatts by 2030. Additionally, the government of Vietnam aims to develop power

users as the primary target customer especially companies in the PTT Group. In addition, GPSC has also benefitted from utilizing the data on power consumption to analyze and develop the energy storage

Limited which the shareholding proportion is 40, 35, and 25 percent, respectively to jointly develop a power project in Nakhon Ratchasima Province. The project is a cogeneration independent power supply

PowerPoint Presentation MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q4/2017 and FY2017 GLOBAL POWER SYNERGY PUBLIC COMPANY LIMITED THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP Management Discussion

Period As Of Details WHA UTILITIES AND POWER PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 WHA UTILITIES AND POWER PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 WHA UTILITIES

Period As Of Details B.GRIMM POWER PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 B.GRIMM POWER PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 B.GRIMM POWER PUBLIC COMPANY

. Consequently, the share transfer was completed on September 27, 2017. - On September 4, 2017, EGCO has entered into a Shareholder’s Agreement of Nam Theun 1 Power Company Limited (“NT1PC”) in order to develop

shows the commitment of GPSC as PTT Group’s Power Flagship and progress of business expansion in both Thailand and abroad which includes research and develop on the Energy Storage System (ESS) in creating