【Huaiter】Announcement of Board of Directors' Retroactive Approval of Amendment to "2026 Employee Stock Option Issuance and Subscription Rules"

1. Date of occurrence of the event: 2026/05/08 2. Original announcement and report date: 2026/02/25 3. Brief description of the original announcement and report content: The company's Board of Directors resolved on February 25, 2026, to issue employee stock option certificates. 4. Reason for change and main content: (1) In accordance with the requirements of the competent authority, amendment to the 2026 Employee Stock Option Issuance and Subscription Rules. (2) Amended articles are as follows: Article 3, Qualification Conditions for Stock Option Holders (I) Limited to full-time employees of the company and its domestic and overseas subsidiaries as of the stock option record date; "controlling or subordinate company" refers to those conforming to the provisions of the Financial Supervisory Commission's letter No. 1070121068 dated December 27, 2018. The stock option record date shall be determined by the Chairman. The actual employees who are eligible for stock options and the number of shares they can subscribe for shall be determined after the Chairman's approval, based on a distribution standard drafted with reference to work performance, overall contribution, or special merits, and then submitted to the Board of Directors for approval with the attendance of more than two-thirds of the directors and consent of more than one-half of the attending directors. However, managers and directors who are also employees must first be reviewed by the Compensation Committee. If the list of stock option holders does not include managers, it must first be discussed by the Audit Committee before being submitted to the Board of Directors for resolution. 5. Impact of the change on the company's financial and business operations: None 6. Other matters that should be specified: None