February 3, 2026 © Chunghwa Telecom 4Q 2025 Operating Results NOTE CONCERNING FORWARD-LOOKING STATEMENTS This presentation contains forward-looking statements. These statements constitute "forward-looking" statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. These forward- looking statements can be identified by terminology such a ...

Financial Highlights - Q3 2025 revenue hit a record high since 2017[12], exceeding forecasts by 1.8% to 2.3%[54] - Q3 2025 net profit (profit after tax) hit an 8-year high since 2016[11], exceeding forecasts by 3.2% to 8.0%[54] - Q3 2025 EPS hit a 3-year high since 2023[11], exceeding forecasts by 3.2% to 8.0%[54] - Q3 2025 EBITDA hit a 10-year high since 2015[11], exceeding forecasts by 1.4% to 3.6%[54] Business Performance - Mobile service revenue increased by 3.3% year-over-year, equivalent to NT$0.56 billion[18] - Fixed broadband revenue increased by 3.2% year-over-year, equivalent to NT$0.36 billion[23] - Fixed broadband ARPU increased by 3.0% year-over-year, equivalent to NT$23.3[23] - 300M+ fixed broadband subscribers increased by 13.8% year-over-year, equivalent to 203,000 subscribers[23] - Group enterprise ICT revenue increased by 14.3% year-over-year[30] - Emerging application revenue increased by 20.7% year-over-year[31] Strategic Initiatives - Successfully issued a NT$3.5 billion sustainability bond to promote biodiversity and EV initiatives[12] - US revenues increased 70% YoY, driven by AI supply chain projects[38]

Financial Performance Highlights - 2Q25 revenue reached NT$56.73 billion, a 4.8% increase year-over-year, marking a 10-year high for any second quarter since 2016[13, 48] - H1 2025 revenue reached NT$112.54 billion, a 3.2% increase year-over-year, marking a 9-year high for any first half since 2016[13, 48] - 2Q25 net income was NT$10.17 billion, a 3.5% increase year-over-year, marking an 8-year high for any second quarter since 2017[13, 48] - H1 2025 EPS was NT$2.57, a 3.9% increase year-over-year, marking an 8-year high for any first half since 2017[13, 48] - 2Q25 EBITDA reached NT$22.58 billion, a 3.5% increase year-over-year, marking a 12-year high for any second quarter since 2014[13, 48] - The company's operating results exceeded the high-end earnings guidance[13, 55] Business Segment Performance - Mobile service revenue increased by NT$0.33 billion, a 2.0% increase year-over-year[16] - Fixed broadband revenue increased by NT$0.20 billion, a 1.8% increase year-over-year[22] - ICT emerging business revenue increased by 24.9% year-over-year, with IDC growing by 30.1%[12] - Group enterprise ICT revenue increased by 27% year-over-year[29] Strategic Initiatives and Achievements - The company obtained an exclusive commercial license for OneWeb LEO satellite services[13] - The company was upgraded to the highest MSCI ESG 'AAA' Rating[13]