Gulf Energy Development Public Company Limited acknowledged resignation of Mrs. Chotikul Sookpiromkasem from its company's board of directors, effective October 24, 2018 and approved the appointment of Ms. Yupapin Wangviwal, Senior Executive Vice President, as the company's director in replacement of Mrs. Chotikul Sookpiromkasem, effective October 24, 2018 in the board of directors meeting held on October 24, 2018.