[Yieh Hsing] Announcement of Completion of Capital Reduction Registration for Cancellation of Treasury Shares (21st and 22nd)

1. Date of Capital Reduction Approval by Competent Authority: March 10, 115 (Republic of China calendar) 2. Date of Completion of Capital Change Registration: June 9, 115 (Republic of China calendar) 3. Impact on Financial Statements (including differences in paid-in capital and outstanding shares, and impact on net asset per share): (1) Before capital reduction by cancellation of treasury shares: Paid-in Capital: NT$18,762,402,140 Number of Shares: 1,876,240,214 shares Net Asset per Share: NT$16.91 (2) After capital reduction by cancellation of treasury shares: Paid-in Capital: NT$18,412,402,140 Number of Shares: 1,841,240,214 shares Net Asset per Share: NT$17.23 4. Share exchange plan: Not applicable 5. Number of common shares expected to be listed after capital reduction: Not applicable 6. Ratio of listed common shares after capital reduction to issued common shares (Number of listed common shares after reduction / Number of issued common shares after reduction): Not applicable 7. If the number of listed common shares after capital reduction in the preceding two items is less than 60 million shares and less than 25%, please explain the measures to address low stock liquidity: Not applicable 8. Other matters to be stated: (1) Date of another capital reduction approval by the competent authority: April 29, 115 (Republic of China calendar) (2) The company obtained the approval letter for change registration from the Department of Commerce, Ministry of Economic Affairs on June 11, 115 (Republic of China calendar). (3) Net asset per share is calculated based on the latest reviewed consolidated financial statements for the first quarter of 115 (Republic of China calendar) by a certified public accountant.