[Advantech] Invitation to Analyst Meeting Hosted by Taiwan International Securities

Compliance with Article 4, Clause XX: 12

Date of event: 2026/05/20

1. Date of analyst meeting: 2026/05/20 2. Time of analyst meeting: 14:30 3. Location of analyst meeting: 15F, No. 188, Sec. 5, Nanjing E. Rd., Taipei City (Taiwan International Securities Corporate Department) 4. Key points of the analyst meeting: The company has been invited to participate in the analyst meeting hosted by Taiwan International Securities to explain the company's operational status and future outlook. 5. Other relevant matters: None

For complete financial and business information, please refer to the analyst meeting summary table or the analyst meeting section on the Public Information Observatory.