Apacer Technology Inc. Announces Arrangement for Domestic First Unsecured Convertible Bond Payment Collection and Custody Account Banks

1. Date of Fact Occurrence: 2026/04/14 2. Company Name: Apacer Technology Inc. 3. Relationship with Company (Please enter parent company or subsidiary): Parent Company 4. Proportion of Cross-Shareholding: Not applicable 5. Reason for Occurrence: In accordance with Article 9, Paragraph 1, Item 2 of the "Rules Governing the Issuance and Offering of Securities by Issuers." 6. Measures Taken: Not applicable 7. Other Matters to be Notified (If the subject of the event or resolution is a publicly issued company or above, this material event also meets the criteria of Article 7, Paragraph 9 of the Enforcement Rules of the Securities Transaction Act concerning matters that have a significant impact on shareholder rights or security prices): (1) Contract Date: 2026/04/14 (2) Bank for entrusted payment collection: SinoPac Commercial Bank, Dunbei Branch (3) Bank for entrusted custody account: Taipei Fubon Commercial Bank, Nanjing East Road Branch