[Alchip] Invitation to Participate in Hwa Nan Securities Corporate Forum

In accordance with Article 4, Paragraph XX: 12

Date of event occurrence: 115/05/22

1. Date of investor meeting: 115/05/22 2. Time of investor meeting: 15:10 3. Location of investor meeting: Regent Taipei, Taipei City 4. Summary of investor meeting: Our company was invited to participate in the Hwa Nan Securities Corporate Forum to explain our business operations. 5. Other matters to be stated: Please contact Hwa Nan Securities for meeting details.

Please refer to the investor meeting list or the investor relations section of the Market Observation Post System (MOPS) for complete financial and business information.