Core Insights - The collaboration showcases full-stack pre-6G interoperability testing utilizing real network infrastructure and devices [1] Group 1 - The partnership aims to advance the development of pre-6G technologies [1] - The testing involves a comprehensive approach to ensure compatibility across various network components [1] - Real-world applications and devices are being utilized to validate the interoperability [1]

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 ...