Power Solution Technologies Public Company Limited informed the resolutions of its Board of Directors meeting No. 1/2023 held on 23 January 2023 which details are as follows; To acknowledge the resignation of Miss Piyapat Suwannasang from a Director, Executive committee, Chief Strategy Officer and Acting Chief Administration Officer of the Company, effective on 31 January 2023 onwards. To acknowledge the resignation of Mr. Prachaya Niyomthai from a Director and Chairman of Executive Committee, effective on 23 January 2023 onwards.

To appoint Mr. Darm Nana to be Director in replacement of Miss Piyapat Suwannasang, effective on 1 February 2023 onwards. To appoint Mr. Thanat Pawarawipulyakorn to be Director in replacement of Mr. Prachaya Niyomthai, effective on 23 January 2023 onwards. To appoint Mr.Soammaphat Trisorat, Chairman of the Board of Directors, to be Acting Chairman of Executive Committee, effective on 23 January 2023 onwards.

Approve the change of authorized directors effective on 1 February 2023 onwards as follows: Existing: Miss Piyapat Suwannasang, Mr.Prachaya Niyomthai, Mr.Luechai Soodsakorn, Pol.Lt.Gen.Nitat Limsiripan, two directors sign and affix the seal of the company. New: Mr.Darm Nana, Mr.Thanat Pawarawipulyakorn, Mr.Luechai Soodsakorn, Pol.Lt.Gen.Nitat Limsiripan two directors sign and affix the seal of the company.