[HOKAI] Announcement on Adjustment of Conversion Price for Company's First Domestic Unsecured Convertible Bonds

1. Date of Fact Occurrence: 115/06/10 2. Company Name: HOKAI Optoelectronics Co., Ltd. 3. Relationship with the Company (Enter "Parent Company" or "Subsidiary"): Parent Company 4. Proportion of Mutual Shareholding: Not Applicable 5. Reason for Occurrence: Due to the company's ex-dividend process, the conversion price is adjusted in accordance with the "Issuance and Conversion Regulations for the Company's First Domestic Unsecured Convertible Bonds". 6. Countermeasures: Effective from the ex-dividend record date (115/7/4), the conversion price of the Company's First Domestic Unsecured Convertible Bonds will be adjusted from NT$44.5 per share to NT$44 per share. 7. Other Matters That Need to Be Notified (If the subject of the event occurrence or resolution is a publicly issued company or above, and this major information also meets the conditions of Article 7, Paragraph 9 of the Regulations Governing the Enforcement of the Securities Transaction Act regarding matters that have a significant impact on shareholder equity or securities prices): None