The Siam Cement Public Company Limited hereby announces that the Board of Directors has approved the rotation of the following SCG Executives, with the effective date of July 1, 2023. Current Positions of Mr. Sakchai Patiparnpreechavud are Chief Commercial Officer, Executive Vice President-Regional, Executive Vice President-Vinyl Chain Chemicals Business, and Country Director-Vietnam, SCG. His new Positions are Chief Commercial Officer, Executive Vice President-Vinyl Chain Chemicals Business, and Country Director-Vietnam, SCG.

Mr. Kulachet Dharachandra's Current Positions is Chief Financial Officer, Chemicals Business and his new Position is Executive Vice President-Olefins Chain (Vietnam), Chemicals Business.