The Board of Director's Meeting of POSCO-Thainox Public Company Limited held on 30 January 2018, the Meeting acknowledged the resignation of Mr. Hyung Mok Kim, director of the company effective from 30 January 2018 and resolved the appointment of Mr. Kyoung Jin Rhee as a new director, effective from 30 January 2018; the Meeting also acknowledged the resignation of Mr. Kwang Soo Kim, director of the company effective from 30 January 2018 and resolved the appointment of Mr. Byung Taek Lee as a new director, effective from 30 January 2018.