1806 Champion Building Materials Receives Supreme Court Ruling Dismissing Re-appeal on Enforcement Objection

Release Date: July 24, 2026 Statement Date: July 23, 2026 Statement Time: 18:02:43 Company Code: 1806 Company Name: Champion Building Materials Co., Ltd.

Subject: Announcement of the Company Receiving a Civil Ruling from the Supreme Court — Dismissing the Re-appealer’s Objection to Enforcement

Applicable Clause: Clause 2

Date of Event: July 23, 2026

Details: 1. Parties to the Legal Case: Re-appealer – Heng Xiang Co., Ltd. Debtor – Champion Building Materials Co., Ltd.

2. Court or Authority Involved: Supreme Court

3. Case Number of Relevant Legal Document: Civil Ruling No. 115-Tai-Kang-503

4. Date of Event: 115/07/23 (July 23, 2026)

5. Background (Including Subject of Litigation): The company received a civil ruling from the Supreme Court dismissing the re-appealer (Heng Xiang Co., Ltd.)'s objection to the enforcement of a prior ruling (Case No. 114-Si-Zhi-174355), which ordered the debtor (Champion Building Materials Co., Ltd.) to pay NT$11,987,184 in damages.

6. Handling Process: None

7. Impact on Company’s Financials and Operations, and Estimated Amount of Impact: None

8. Response Measures and Improvement Status: None

9. Other Matters to be Disclosed: Under the enforcement order No. 114-Si-Zhi-174355 issued by the Taiwan Taipei District Court, the Taiwan Hsinchu District Court is currently enforcing another compulsory execution for NT$27,367. The company has already fully paid the principal amount of NT$27,367 and interest of NT$14,572 on September 15, 2025. As there is no legal basis for enforcement, the company will legally petition for the cancellation of this enforcement action.