Taiwan Cogeneration Corp. Announces Full Payment Collection and Record Date for 2025 Cash Capital Increase

1. Date of occurrence: 2026/05/20 (Minguo Year 115) 2. Company name: Taiwan Cogeneration Corporation 3. Relationship to the Company: The Company itself 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: (1) The Company's 2025 (Minguo Year 114) cash capital increase, through the issuance of 100,000,000 common shares at a subscription price of NT$32.73 per share, resulting in a total paid-in capital of NT$3,273,000,000, has been fully collected. (2) Date of full payment collection: May 20, 2026 (Minguo Year 115). (3) Depository institution for funds: Bank of Taiwan, Gongguan Branch. (4) Record date for cash capital increase: May 20, 2026 (Minguo Year 115). (5) Listing date of payment certificates: May 25, 2026 (Minguo Year 115). 6. Countermeasures: None 7. Other matters to be specified: None