Environment

100% GHG Inventory Cement Plant RMC Plant Operation ISO14001

Management Approaches ◤ Comply with ISO 14001 to effectively assess environmental risks and enhance performance ◤ Management of environmental impacts across production, manufacturing, transportation, service processess is required for our business partners, such as suppliers, contractors, subcontractors, and joint ventures ◤ Review of all management policies and pertinent legal records throughout the due diligence phase of mergers and acquisitions to ensure strict adherence to environmental laws and regulations, preventing any violations

Results ◤ Environmental investments (Unit: Million NTD) 2019 2020 2021 2022 256.29 209.37 212.95 220.98

◤	TCC sets NOx、SOx and TSP emission standards according to government regulations and emits lower than regulatory standards
◤	Cement plants' equipment has been upgraded, which resulted in a consecutive annual reduction of emissions

Air Pollution Emission Intensity Target (g/t clinker) Base year 2016		2025	2030
Taiwan	NOx SOx TSP	-50% -30% -50%	-70% BACT min BACT min
Mainland China	NOx SOx TSP	-50% -60% -60%	-70% -70% BACT min