[Airtac-KY] Announcement of the Company's Unaudited Consolidated Financial Report for Q1 2026

1.Date of occurrence of the event: 2026/04/29 2.Company name: AIRTAC INTERNATIONAL GROUP 3.Relationship with the company (please enter 'parent company' or 'subsidiary'): Parent company 4.Mutually held shares percentage: Not applicable 5.Reason for occurrence: Not applicable 6.Countermeasures: Not applicable 7.Other matters that need to be specified (if the event or resolution's main entity 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 states matters that have a significant impact on shareholders' equity or securities prices): The company's unaudited consolidated financial report for Q1 2026 is as follows: Unit: Thousands of NTD

Q1 2026 Compared to prior year period Accounting Item (RMB in thousands) % of Revenue % Increase/Decrease ----------------------- -------------------- -------------- --------------------- Net operating revenue: 2,192,098 100.00% 22% Gross operating profit: 1,051,571 47.97% 33% Operating income: 727,863 33.20% 45% Profit before tax: 749,586 34.19% 37% Consolidated net profit after tax:584,704 26.67% 36% Consolidated net profit after tax attributable to: Owners of the company: 584,714 26.67% Non-controlling interests: -10 - ========================================================================================== Q1 2026 Compared to prior year period Accounting Item (NTD in thousands) % of Revenue % Increase/Decrease ----------------------- -------------------- -------------- --------------------- Net operating revenue: 10,013,502 100.00% 24% Gross operating profit: 4,803,572 47.97% 34% Operating income: 3,324,875 33.20% 46% Profit before tax: 3,424,107 34.19% 39% Consolidated net profit after tax:2,670,926 26.67% 38% Consolidated net profit after tax attributable to: Owners of the company: 2,670,974 26.67% Non-controlling interests: -48 - Basic earnings per share (NTD): 13.35 Note: The financial information mentioned above is unaudited. Please refer to the company's officially announced audited financial reports. Keywords: Material Information