[Chia Hsin] Announcement of investment in Ding Feng No. 3 Investment Co., Ltd.

1. Name and nature of target: Ding Feng No. 3 Investment Co., Ltd. 2. Date of occurrence: 2026/06/04 (115/06/04) 3. Transaction quantity, unit price, and total amount: JPY 600,000,000 4. Counterparty and relationship with the company: Ding Feng No. 3 Investment Co., Ltd. (non-related party) 5. Other notes: Accumulated holdings total JPY 1,350,000,000, representing 2.94% of total assets and 4.30% of equity attributable to owners of the parent. Purpose: Investment.