Ri Cheng-KY: Announcement of Expiration of Payment Call Period for 2025 Cash Capital Increase and Issuance of Shares

1. Date of occurrence of the event: 2026/04/23 2. Company name: Ri Cheng Holdings Co., Ltd. 3. Relationship with the company (please enter 'this company' or 'subsidiary'): This company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: The payment call period for the company's 2025 cash capital increase was from March 23, 2026 to April 23, 2026 at 3:30 PM. 6. Countermeasures: (1) Original shareholders who did not pay the share price during the payment call period will cease to be able to pay and forfeit their rights from 3:30 PM on April 23, 2026. (2) For original shareholders who have paid the full share price during the payment call period (March 23, 2026 to April 23, 2026), the subscribed shares are expected to be transferred to shareholders' centralized securities accounts on May 6, 2026. (3) If shareholders have any questions, please contact the company's stock transfer agent, SinoPac Securities Co., Ltd., Stock Transfer Department (Address: 3F, No. 17, Bo'ai Road, Zhongzheng District, Taipei City; Tel: 02-23816288). 7. Other matters to be specified (If the subject of the event or resolution is a public company or above, this material information also complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act, which stipulates matters that have a significant impact on shareholders' equity or securities prices): None