USI Corporation (1304) Sets May 21 as Reference Date for Subsidiary's Cash Capital Reduction

Reporting Date: May 19, 2026 Company Code: 1304 Company Name: USI Corporation Subject: Supplemental announcement regarding the reference date for cash capital reduction decided by the Board of Directors of key subsidiary Lien Chi International Investment Co., Ltd.

1. Date of Board of Directors resolution: May 19, 2026 2. Reference date for capital reduction: May 21, 2026 3. Plan for reissuance of shares following capital reduction: Not applicable 4. Reference date for reissuance of shares: NA 5. Start date of suspension of transfer: NA 6. End date of suspension of transfer: NA 7. Rights and obligations of new shares after capital reduction: Same as original issued shares 8. Expected listing date of new shares: NA 9. Expected number of listed common shares after capital reduction: Not applicable 10. Expected ratio of listed common shares to total issued shares after capital reduction: Not applicable 11. Countermeasures for low liquidity if listed shares are less than 60 million and below 25%: Not applicable 12. Other items to be stated: Supplemental to the announcement on March 12, 2026. Capital reduction amount: 250,000,000 TWD Shares to be eliminated: 25,000,000 shares Capital reduction ratio: 2.7223487725% Capital after reduction: 8,933,246,560 TWD