Eternal Materials (1717) Announces Banks for its 2nd Domestic Unsecured Convertible Bonds

Statement Date: 2026/05/19 Spokesperson's Date: 2026/05/18 Spokesperson's Time: 13:51:29 Company Code: 1717 Company Name: Eternal Materials Subject: Announcement of the designated collecting and depository banks for the company's 2nd domestic unsecured convertible bonds. Applicable Clause: Article 51 Date of Occurrence: 2026/05/18 Explanation: 1. Date of occurrence: 2026/05/18 2. Company name: Eternal Materials Co., Ltd. 3. Relationship with the company: This company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: In accordance with Article 9, Paragraph 1, Subparagraph 2 of the 'Regulations Governing the Offering and Issuance of Securities by Securities Issuers', to announce matters concerning the collecting and depository banks for the company's 2nd domestic unsecured convertible bonds. 6. Countermeasures: None 7. Other remarks: (1) Contract date: May 18, 2026 (2) Name of collecting institution: Taishin International Bank, Dunnan Branch (3) Designated depository bank: First Commercial Bank, Wannei Branch.