[OSE] Announcement regarding the cancellation of 28,000 restricted employee shares and completion of capital change registration

1. Date of capital reduction approval by the competent authority: 115/05/22 2. Date of completion of capital change registration: 115/05/22 3. Impact on financial reports (including the difference in paid-in capital and outstanding shares, and the impact on net asset value per share): Based on the equity attributable to owners of the parent company as of 115/3/31, totaling 11,445,034,000 NTD, the cancellation of 28,000 restricted employee shares was implemented. (1) Before cancellation: Paid-in capital was 6,589,763,330 NTD, outstanding shares were 658,976,333, and net asset value per share was 17.37 NTD. (2) After cancellation: Paid-in capital is 6,589,483,330 NTD, outstanding shares are 658,948,333, and net asset value per share is 17.37 NTD. 4. Expected share exchange plan: Not applicable 5. Expected number of ordinary shares after listing the new shares for capital reduction: Not applicable 6. Ratio of the expected number of ordinary shares after listing the new shares for capital reduction to the total issued ordinary shares: Not applicable 7. Measures to address low share liquidity if the number of ordinary shares after the capital reduction is less than 60 million and less than 25%: Not applicable 8. Other important items: (1) The company received approval for the change registration via letter Ref. No. 1150011252 on 115/05/22.