[CTBC] Board Resolves to Issue 2026 Restricted Employee Stock Awards (RSA)

1. Board resolution date: 2026/04/24. 2. Expected issuance price: Issued at no cost (zero price). 3. Expected total number of shares: Limited to no more than 50,000 thousand common shares. 4. Vesting conditions: (1) Type of shares: Newly issued common shares. (2) Vesting period: Type 1 - from board approval to 2030/12/31; Type 2 - from board approval to 2026/12/31. (3) Vesting conditions: Meeting individual performance, company performance, and service conditions set in the 2026 RSA Issuance Regulations. 5. Treatment of unvested shares: If conditions are not met, the company will reclaim and cancel the shares at no cost. 8. Necessity of the issuance: To attract and retain professionals, motivate employees, enhance loyalty, and link rewards with performance. 9. Potential expenses: Max estimated cost of NT$2,600,000 thousand. 10. Dilution of EPS: Estimated impact on EPS for 2026-2030 is approximately 0.005 to 0.025 TWD per year, which is limited.