[CTBC] Announcement of Acquisition of Right-of-Use Assets from Related Parties

1. Name and nature of the target: Part of the office space on the 10th floor, No. 168, Jingmao 2nd Rd., Nangang Dist., Taipei City. 2. Date of occurrence: April 27, 2026. 3. Date of board approval: Not applicable. 4. Other approval date: Approved by the authorized supervisor of the transaction unit on April 27, 2026. 5. Transaction unit quantity, unit price, and total transaction amount: Leased area: Executive office including furniture and equipment: 9.47 ping. Unit price: Monthly rent per ping for the executive office is NT$2,450. Total monthly rent: NT$23,202. Right-of-use asset amount: NT$464,040. 6. Counterparty and relationship: CTBC Bank Co., Ltd., a subsidiary of the company. 7. Reason for selecting related party: Co-location to maximize group synergy; the location and size meet the company's development needs. 8. Previous owners in the last 5 years: Not applicable. 9. Expected gain or loss: Not applicable. 10. Payment terms and contract restrictions: Payment terms: Paid every three months (NT$69,606 each time). Lease term: May 1, 2026, to December 31, 2027. Restrictions: Three months' written notice required for termination. 11. Decision method and reference basis: Reference: Rental appraisal report issued by a real estate appraiser. Decision unit: Authorized supervisor of the transaction unit. 12. Professional appraiser: China Real Estate Appraisers United Firm. 13. Name of appraiser: Hsieh Tien-Ching. 14. Appraiser license number: (99) Taipei Appraisal No. 000149. 23. Specific purpose: Co-location for synergy; the location and size meet overall development needs.