ASE director Jeffrey Chen reports disposal of ASE common shares worth TWD 13,185,000

• Jeffrey Chen, a director at ASE Technology Holding, reported sales of 27,000 ordinary shares at prices of NTD 477, NTD 483, NTD 505 from May 19 to May 21.
• The transactions were reported as indirect holdings held by his spouse.
• Spouse-held ordinary shares fell to 29,000 following the May 21 sale.
• Chen reported direct beneficial ownership of 2.38 million ordinary shares.

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. ASE Technology Holding Co. Ltd. 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: 0000950103-26-007565), on May 21, 2026, and is solely responsible for the information contained therein.