Thachang Green Energy Public Company Limited informed that Mr. Sumate Laksitanonta has resigned from the position of Chief Executive Officer which will be effective on May 31, 2023. The Board of Directors' Meeting No. 3/2023 held on May 12, 2023, had resolved to approve the appointment of Mr. Pongnarin Wanasuwanakul, the Chairman of the Executive Committee, to be acting in the position of Chief Executive Officer which will be effective from June 1, 2023 onwards.