Ubon Bio Ethanol Public Company Limited at the board of directors meeting held on November 10, 2021 resolved that Mr. Wirat Uanarumit appointed as a director on November 10, 2021, replacing Mr. Pongpun Amornvivat who had resigned, as proposed by the Nomination and Remuneration Committee and Ms. Sureeyot Khowsurat as a Senior Executive Vice President of Business Development Department on November 10, 2021.