Accton Technology Subsidiary Disposes of Securities in Astera Labs, Inc.

(Supplement to the 114/03/13 announcement) Announcement regarding the disposal of securities by subsidiary Accton Investment Corp.

1. Security Name: Astera Labs, Inc. ("Astera") 2. Transaction Period: 114/10/30 ~ 115/5/15 3. Date approved by the Board of Directors: 114/03/13 4. Other approval dates: Not applicable 5. Transaction quantity, price per unit, and total transaction amount: (1) Quantity: 915,000 shares (2) Price per unit: US$188.41 (3) Total amount: US$172,421,000 6. Profit (or loss) from disposal: Retained earnings impact: US$172,421,000. (Does not affect profit or loss) 7. Relationship with the target company: Non-related party 8. Cumulative holdings to date (including this transaction): 0 shares remaining. 9. Ratio of investments to total assets/equity: Assets: 3.25%, Equity: 7.71%. Working capital: NT$37,876,521,000. 10. Purpose of acquisition or disposal: Capital planning 11. Dissenting opinion: None 12. Related party transaction: No 13. Transaction counterparty: Not applicable 14. Audit committee approval date: 114/03/13 15. Date of previous announcement: 114/03/13 16. Other notes: Supplement to actual figures announced on 114/03/13.