【Uni Securities】(Supplement) Announcement of Gaining Substantial Control over Uni Securities Investment Trust Co., Ltd.

1. Date of Event: 115/05/20

2. Company Name: Uni Securities Co., Ltd.

3. Relationship with Company (please enter '本公司' or 'Subsidiary'):本公司 (Our Company)

4. Cross-shareholding Ratio: Not applicable

5. Reason for Occurrence:

Due to the comprehensive board and supervisory board election at Uni Securities Investment Trust Co., Ltd., an equity-method investee of our company, Uni Securities has secured half of the board seats, thereby gaining substantial control over Uni Investment Trust.

As a result, Uni Investment Trust will transition from an equity-method associated company to a controlled subsidiary and will be included in the consolidated financial statements. Going forward, the impact of this business combination will be recognized and measured in accordance with relevant provisions of International Financial Reporting Standards (IFRS) from the date control was obtained.

6. Response Measures:

The company will proceed with subsequent accounting treatments and information disclosures in compliance with applicable laws and regulations as well as IFRS. It will also continuously assess the impact of this control acquisition on the company's financial position and operating results.

7. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly issued company or above, this material information also qualifies as a significant matter under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act that materially affects shareholders' equity or securities prices):

This control was acquired by securing half of the board seats at Uni Investment Trust. In accordance with IFRS 3 (Business Combinations), the previously held equity interest is remeasured at fair value, resulting in the recognition of an investment gain of approximately NT$3,102,931 thousand. The related financial impacts will be processed as required, and supplementary announcements will be made based on the final recognition outcomes.