USI Corporation announced replacement of Juristic-Person Director representative. Name of the previous position holder: Mr. Wang, Ke-Shun. Resume of the previous position holder: Director and President, USI Corporation.

Name of the new position holder: Mr. Wu, Pei-Ji. Resume of the new position holder: Director and President, Taita Chemical Company, Limited. Reason for the change: Taita Chemical Company, Limited appoints a replacement representative to serve as a director of USI.

Effective date of the new appointment is September 23, 2022.