Ritek Announces Board's Re-election of Mr. Yeh Chui-Ching as Chairman

1. Date of board resolution or personnel change: 115/06/16 2. Position (Chairman or General Manager): Chairman 3. Former incumbent's name: Yeh Chui-Ching 4. Former incumbent's resume: Chairman of Ritek Corporation 5. New appointee's name: Yeh Chui-Ching 6. New appointee's resume: Chairman of Ritek Corporation 7. Nature of change (resignation, removal, end of term, job reassignment, severance, retirement, death, or new appointment): End of term 8. Reason for change: Full board renewal following the 115th annual shareholders' meeting 9. Effective date of new appointment: 115/06/16 10. Other disclosures: None.

This announcement qualifies as a material event under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act, as it pertains to a publicly listed company and may significantly affect shareholder rights or stock prices. However, no additional disclosures are required.