Information on CGPC’s First Investor Conference for 2025 Held on March 18, 2026

Date of the investor conference: March 18, 2026
Time of investor conference: 14:30
Venue of the investor conference: 1F, No. 7, Sec. 5, Xinyi Rd., Xinyi Dist., Taipei City (Taiwan Stock Exchange Information Center)
Key information from the investor conference:
(1)2025 review and 2026 Q1 outlook
(2)The Company's 2025 financial information
Other issues that should be noted: None.
Comprehensive financial and business information is available on the Market Observation Post System (MOPS) under "Investor Conference Information" or related sections.

Date of the investor conference: March 18, 2026
Time of investor conference: 14:30
Venue of the investor conference: 1F, No. 7, Sec. 5, Xinyi Rd., Xinyi Dist., Taipei City (Taiwan Stock Exchange Information Center)
Key information from the investor conference:
(1)2025 review and 2026 Q1 outlook
(2)The Company's 2025 financial information
Other issues that should be noted: None.
Comprehensive financial and business information is available on the Market Observation Post System (MOPS) under "Investor Conference Information" or related sections.

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