POSCO Thainox Public Company Limited announced at its board meeting held on May 12, 2016, the meeting acknowledged the resignation of Mr. Chung Hwan Jeong, director of the company effective from May 3, 2016 and resolved the appointment of Mr. Hyung Mok Kim as a new director, effective from May 12, 2016. The meeting acknowledged the resignation of Mr. Kiyotaka Mishima, director of the company effective from May 11, 2016 and resolved the appointment of Mr. Manabu Tani as a new director, effective from May 12, 2016.