EHC Announces Latest Update on Trade Secret Litigation Case

1. Parties involved in the legal case: Chipbond Technology Corporation, Chang Wah Electric Materials Company, and our company.

2. Name of the court or administrative body: Intellectual Property and Commercial Court.

3. Case number of the relevant legal documents: Case No. 105-Min-Ying-Su-12.

4. Date of occurrence: July 6, 115 (2026 in Gregorian calendar).

5. Background of the incident (including subject of litigation): In accordance with the notices issued by Taiwan Stock Exchange Corporation on June 22, 105 (2016) (No. 1051802955) and December 21, 105 (2016) (No. 1051806009), we are required to disclose material information regarding the progress of this trade secret litigation within ten days after the end of each quarter following our listing.

6. Processing progress: Chipbond Technology Corporation lost the first-instance trial and has filed an appeal during the appeal period. The case is now pending at the Banqiao Intellectual Property and Commercial Court.

7. Impact on the company's financial and business operations and estimated financial impact: The existence of this litigation has not had a significant impact on the company's financial condition or business operations.

8. Response measures and improvement status: None.

9. Other matters to be disclosed (if the entity involved in the event or resolution is a publicly issued company or above, this material information also qualifies as a matter under Article 7, Paragraph 2, Item 2 of the Enforcement Rules of the Securities and Exchange Act that significantly affects shareholders' rights or securities prices): None.

Keywords: Material Information