Chia Her Announces Board Resolutions of Subsidiary Meng Huei Construction on Behalf

Tabled Date: 2026/05/19 Spokesperson Date: 2026/05/18 Spokesperson Time: 16:42:21 Company Code: 1449 Company Name: Chia Her Subject: Announcement on behalf of subsidiary Meng Huei Construction Co., Ltd. regarding the passage of major resolutions by its Board of Directors. Applicable Clause: Article 51 Date of Occurrence: 2026/05/18 Description: 1. Date of occurrence: 2026/05/18 2. Company Name: Meng Huei Construction Co., Ltd. 3. Relationship with the Company: Subsidiary 4. Mutual shareholding ratio: A subsidiary in which the company has a 47.47% consolidated shareholding. 5. Reason for occurrence: Announcing on behalf of the subsidiary the important resolutions passed by its board of directors. (1) The subsidiary signed an engineering contract with our company on June 30, 2025, for NT$866,142,853 (tax included). Subsequently, due to project needs, the scope and items of the contracted project were reviewed and changed, and a supplementary contract was signed. The total contract price remains unchanged. (2) To assist our company in supervising the construction progress and quality acceptance of a third party, the subsidiary approved the signing of a tripartite contract for electromechanical engineering construction and management for NT$13,500,000 (tax included). 6. Countermeasures: The contracts will be signed after approval by the board of directors. 7. Other notes: None.