[Long Chen Paper] Announcement of the Company's Self-Audited Consolidated Income Statement for April and January-April 2026

1. Date of occurrence of the event: May 6, 2026 2. Company name: Long Chen Paper Co., Ltd. 3. Relationship with the Company (please enter "the Company" or "subsidiary"): the Company 4. Mutual shareholding ratio: Not applicable 5. Name of the media reporting: Not applicable 6. Content of the report: Not applicable 7. Reason for occurrence: Announcement of the Company's self-audited consolidated income statement for April and cumulative January-April 2026. Unit: NTD/Thousand; EPS: NTD/share (Self-audited) April Jan-April -------------------------------------------------------------------- Consolidated operating income (loss): 75,629 76,801 Consolidated pre-tax income (loss): 102,046 141,057 Consolidated pre-tax net income attributable to owners of the parent: 97,742 124,627 Consolidated pre-tax EPS: 0.08 0.10 8. Countermeasures: None. 9. Other matters that need to be specified: The Company's pre-tax EPS calculation is based on 1.305 billion weighted average outstanding shares.