[ASMedia] Announcement of Board Resolution for Capital Reduction via Cancellation of Treasury Shares and Restricted Stock Units (Supplemental announcement of record date for treasury share cancellation)

1. Board of Directors resolution date: NA 2. Reason for capital reduction: (1) To cancel 620,000 shares of treasury stock bought back by the company in accordance with Article 28-2 of the Securities and Exchange Act. (2) To carry out a capital reduction by canceling 450 shares of restricted stock units that were recovered from employees who left the company before meeting the vesting conditions. 3. Amount of capital reduction: NT$6,204,500. 4. Shares to be cancelled: 620,450 shares. 5. Capital reduction ratio: 0.83%. 6. Capital stock after reduction: NT$741,566,790. 7. Scheduled date of shareholders' meeting: N/A. 8. Estimated number of listed common shares after the new shares from the capital reduction are listed: N/A. 9. Estimated ratio of listed common shares to total issued common shares after listing: N/A. 10. If the number of listed common shares after reduction is less than 60 million and less than 25%, please explain measures to address low liquidity: N/A. 11. Record date for capital reduction: (1) Treasury shares: May 18, 2026. (2) Restricted stock units: May 14, 2026. 12. Other noteworthy matters: The Board had previously authorized the Chairman to set a separate record date for the treasury stock capital reduction, which has now been determined by the Chairman as stated above.