UMC CFO and SVP Chitung Liu sells 1.9 million common shares for TWD 294.29 million

• UMC CFO and SVP Chitung Liu sold 1.9 million common shares on July 13, 2026 at TWD 154.89.
• Directly held common shares fell to 3,322,917 following the transaction.
• Indirect holdings listed at 150,000 shares held by spouse.
• Indirect holdings listed at 2 million shares held via CTBC Bank Trust.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. UMC - United Microelectronics Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-301380), on July 13, 2026, and is solely responsible for the information contained therein.