Form 4 Filing for ASE Technology Holding Co., Ltd.

This filing details a transaction by Uang Du-Tsuen, Chief Administration Officer of ASE Technology Holding Co., Ltd. On July 6, 2026, Mr. Uang disposed of 2,000 ordinary shares at a price of 687 New Taiwan Dollars per share. Following this transaction, Mr. Uang directly owns 757,000 ordinary shares. The filing was submitted on July 8, 2026, with Georgette Yeh acting as attorney-in-fact for Mr. Uang.