[CTBC Bank] Announcement of Board Resolution to Participate in the 'Support for Corporate Investment in the US Financing Guarantee Mechanism'

1. Date of the event: 115/05/22 2. Company Name: CTBC Bank Co., Ltd. 3. Relationship with the company: Subsidiary 4. Mutual shareholding ratio: 100% 5. Reason for the event: The Board of Directors of CTBC Bank resolved to participate in the National Development Council's 'Support for Corporate Investment in the U.S. Financing Guarantee Mechanism' and plans to contribute $75 million. 6. Countermeasures: Not applicable 7. Other important matters (If the subject of the event or resolution belongs to a public company or above, this material information also meets the requirements for significant impact on shareholder rights or security prices as stipulated in Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act): (1) To respond to government policy, support corporate investment in the U.S., and drive business expansion. (2) To participate in the 'Support for Corporate Investment in the U.S. Financing Guarantee Mechanism,' obtain sufficient financing guarantee quotas, and reduce credit risk. (3) The actual content is subject to the formally signed contract.