8422 Canwell* Announces Participation in Yuanta Securities' Corporate Briefing

Disclosure Date: June 26, 2026 Statement Date: June 25, 2026 Statement Time: 15:56:23 Company Code: 8422 Company Name: Canwell*

Subject: The company has been invited to participate in the corporate briefing hosted by Yuanta Securities.

Applicable Clause: Clause 12 Factual Date: June 30, 2026

Details: Complies with Article 4, Paragraph XX, Clause 12 Factual Date: June 30, 2026

1. Date of Corporate Briefing: June 30, 2026 2. Time of Corporate Briefing: 3:00 PM 3. Venue of Corporate Briefing: Yuanta Financial Plaza (3F, Hall D, No.157, Section 3, Ren'ai Road, Da'an District, Taipei City) 4. Summary of Briefing: Presentation on the company's business operations and financial status 5. Additional Notes: The company has been invited to attend Yuanta Securities' corporate briefing.

For complete financial and business information, please refer to the corporate briefing schedule or related sections on Taiwan's Public Information Observation Station.