Pursuant to the resolution passed by the Board of Directors of Thai Energy Storage Technology Public Company Limited, the Annual General Meeting of Shareholders of the Company for the year 2023 is hereby called on Tuesday, 25 July 2023, at 15.00 hrs., at the Conference Room of the Company, No. 387 Moo 4, Sukhumvit Road, Phreaksa Sub-district, Mueang Samut Prakan District, Samut Prakan Province

Minutes of the Annual General Meeting of Shareholders No. 2/2022

Invitation to the Extraordinary General Meeting of Shareholders No. 2/2022 is hereby called to be convened on Thursday, July 21, 2022 at 15.00 hrs., at the conference room of Thai Energy Storage Technology Public Company Limited Company, 387 Moo 4, Soi Patana 3, Sukhumvit Road, Bangpoo Industrial Estate, Praekasa, Muang, Samutprakarn.

Thai Energy Storage Technology PLC. and its affiliates are aware of the importance of personal data and attach great prioritizing to storing, using, transmitting or doing any acts relating to the personal data of the Data Subject, herein means an individual, customer, business partner, contact person, contractor, website visitor, stakeholders or any other person. In order to comply with the Personal Data Protection Act B.E. 2562, which will become full effect on 1stJune 2022, the Company has prepared this letter to inform you of the protection of personal data and the rights as the “Data Subject” you have provided to the Company prior to the date of the Act will come into effect.

To conduct the personal data protection of “Thai Energy Storage Technology PLC. and Thai Nonferrous Metal Co., Ltd.” to be decent and complied with the Personal Data Protection Act B.E. 2562 regarding the Provision of a Personal Data Protection Policy. The Company is aware of the significance of personal data and attach great prioritizing to storing, using, transmitting or doing any acts relating to the personal data of the data subject. Therefore, we commit to protect the personal data to be confidential under the provision of “Personal Information Protection Policy” in order to be a standard and principal guidance for further proceeding related to personal data for the Company.

Invitation to the Extraordinary General Meeting of Shareholders No. 1/2022 is hereby called to be convened on Thursday, April 28, 2022 at 15.00 hrs., at the meeting room no. 5 of Thai Energy Storage Technology Public Company Limited Company, 387 Moo 4, Soi Patana 3, Sukhumvit Road, Bangpoo Industrial Estate, Praekasa, Muang, Samutprakarn.

Minutes of the annual general meeting of shareholders for the year 2021

“Invitation to attend the Annual General Meeting of Shareholders for the year 2021” Pursuant to the resolution passed by the Board of Directors of Thai Energy Storage Technology Public Company Limited, the Annual General Meeting of Shareholders of the Company for the year 2021 is hereby called on Wednesday, 28 April 2021, at 15.30 hrs., at Dusit Princess Srinakarin Hotel No. 53, Srinakarin Rd., Kwaeng Nongbon, Khet privet, Bangkok.

The joint shareholders' meeting between shareholders of the Company and shareholders of HitachiChemical Gateway Battery (Thailand) Company Limited ("HCGB") (the "Joint Shareholders' Meeting") is hereby called to be convened to consider significant matters of the new company (the"New Company") formed as a result of the amalgamation between the Company and HCGB (the"Amalgamation") on Wednesday 30 September 2020 at 10 a.m., at the meeting room of the Company, 387 Moo 4, Soi Patana 3, Sukhumvit Road, Bangpoo Industrial Estate, Praekasa, Muang, Samutprakarn.