Insider Ownership Filing

This filing details insider ownership for Chen Shu-Ling, Principal Accounting Officer at CHUNGHWA TELECOM CO LTD (CHT). The report covers the period of March 17, 2026. Chen Shu-Ling directly owns 56,375.07 common shares following the reported transaction. The owner ID is 0002118069, and the address is in Taipei, Taiwan.