[Taishin Financial] Announcement on behalf of subsidiary Taishin Securities regarding the intended full subscription of cash capital increase shares issued by Taishin Venture Capital Co., Ltd.

1. Name and nature of the subject matter: Common shares of Taishin Venture Capital Co., Ltd. 2. Date of occurrence of the event: 2026/04/21 3. Date of Board of Directors resolution: April 21, 2026 4. Other decision dates: N/A 5. Transaction volume, unit price, and total transaction amount: 33,333,334 new common shares, NT$15 per share, total transaction amount NT$500,000,010. 6. Counterparty and its relationship to the Company: Taishin Venture Capital is a 100% owned subsidiary of Taishin Securities. 7. Reason for choosing a related party as counterparty: To expand business scale and solidify capital. [Items 8-10 N/A] 11. Conditions of delivery or payment: Taishin Securities will execute after obtaining FSC approval. 12. Method of determining the transaction: Set by the Board referencing the reasonable price evaluation opinion by Shin-You Joint Accounting Firm. 13. Net worth per share of the subject company: NT$12.40 14. Cumulative holding quantity, amount, and percentage: Amount: NT$871,962,924, Quantity: 78,657,127 shares, Holding ratio: 100%. [Items 15-30 N/A or routine disclosures as per original text].