STC Concrete Product Public Company Limited at its board meeting held on August 10, 2021 approved the appointment of Mr. Somchai Lerdsakviman as the company's Chairman of the Audit Committee replacing Mr. Narongrit Tavornvisitporn. In this regard, Mr. Narongrit Tavornvisitporn remains in his position of the Company as the Chairman of the Board and the Audit Committee. This will be effective from 3 September 2021 onwards. Whereas the scope of duties and responsibilities will remain unchanged.