POSCO-Thainox Public Company Limited at its Board meeting held on 8 November 2017, acknowledged the resignation of Mr. Yeong Hwan Han, director of the company effective from 8 November 2017 and resolved the appointment of Mr. Hyung Mok Kim as a new director, effective from 8 November 2017. The meeting approved the changing of authorized directors of the company Mr. Kyung Hwa Song and Mr. Hyung Mok Kim jointly signed on behalf of the company with the company's seal affixed.