Master Ad Public Company Limited announced that the resignation from position of the chairman of the board, director, chairman of the audit committee and audit committee of Mr. Prasert Virasathienpomicul, effective from June 1, 2016 onwards. The company also approved the appointment of Mra Mana Jantanayingyong to hold a position of the Chairman of the Board. The appointment effective from June 2, 2016 onwards, at the board meeting held on June 2, 2016.