Bangchak Sriracha Public Company Limited notified the Stock Exchange of Thailand (?SET?) that the board of directors at the board's meeting No. 16/2023 held on December 15, 2023 passed the following significant resolutions: The appointment of Mr. Somchai Kuvijitsuwan as an independent director to replace Mr. Poomsak Arunyakasemsuk, a resigning director effective December 15, 2023 for the remaining term of Mr. Poomsak Arunyakasemsuk. The increase of the Audit Committee Members from three (3) members to four (4) members and the appointment of Mr. Somchai Kuvijitsuwan as a new Audit Committee Member effective December 15, 2023.

Thus, effective December 15, 2023, the Audit Committee shall consist of four (4) members as follows: Mr. Veerasak Kositpaisal, Chairman of the Audit Committee; Ms. Khaisri Utaiwan, Audit Committee Member; Ms. Prachit Hawat, Audit Committee Member; Mr. Somchai Kuvijitsuwan, Audit Committee Member. The appointment of Mr. Aukkanut Chanagool as the Company Secretary to replace Mrs. Angsna Pirentorn who will cease to be the appointed Company Secretary effective January 1, 2024. The updated company's organization effective January 1, 2024.