PharmaEssentia and Subsidiary PanTai Medical Experience Cybersecurity Attack

Release Date: August 4, 2026 Statement Date: August 3, 2026 Statement Time: 22:42:25 Company Code: 6446 Company Name: PharmaEssentia

Subject: Partial Information Systems of PharmaEssentia and Subsidiary PanTai Medical Subjected to Cyberattack Applicable Clause: Clause 26 Incident Date: August 3, 2026

Details: 1. Incident Date: August 3, 2026

2. Cause: Parts of the information systems of PharmaEssentia and its subsidiary PanTai Medical were subjected to a cyberattack by hackers. The preliminary assessment indicates no significant impact on company operations.

3. Response Process: The company has activated its information security defense mechanisms and engaged external information security technology firms and experts to assist in handling the incident. Subsequently, the company will report the incident to the relevant regulatory authorities in accordance with established procedures.

4. Estimated Losses or Impacts: The company is actively collaborating with technical experts to investigate the incident. The preliminary assessment indicates no significant impact on operations.

5. Potential Insurance Compensation Amount: Not applicable.

6. Improvement Status and Future Countermeasures: The company will continue to enhance the security controls of its network and information infrastructure to ensure information security.

7. Other Matters to be Disclosed: None.