Hung-Ching Announces Approval of Lifting Non-Competition Restrictions for Directors at 2026 Annual Shareholders Meeting

1. Shareholders Meeting Resolution Date: June 24, 2026

2. Names and Titles of Directors Permitted to Engage in Competitive Activities: (1) Directors Chien Wen-Hsiang Chou Chia-Pei Chen Ching-Hua Wang Tu-Tsun Representative of ASE Semiconductor Manufacturing Co., Ltd.: Tseng Yuan-I Representative of ASE Semiconductor Manufacturing Co., Ltd.: Su Ching-Chou Chen Fang-Ying Yao Chien-Hua

(2) Independent Directors Tso Wei-Li Lin Jui-Hsing Yeh Yu-Hua

3. Scope of Permitted Competitive Activities: Directors newly elected to the board are permitted to invest in or operate other companies with business scopes identical or similar to Hung-Ching’s, and to serve as directors of such companies, provided that Hung-Ching’s interests are not compromised.

4. Duration of Permission: Throughout the period of serving as a director of Hung-Ching.

5. Voting Outcome (as required by Article 209 of the Company Act): This proposal was put to vote at the annual shareholders meeting held on June 24, 2026. The number of votes in favor exceeded the legally required threshold, and the resolution was approved as proposed. Total voting rights present during the vote: 197,779,591 Votes in favor: 191,326,876 Votes opposed: 934,537 Invalid votes: 0 Abstentions / Non-votes: 5,518,178

6. Directors Engaging in Competitive Activities in Mainland China-Based Businesses (Enter 'Not Applicable' if none): Director Chou Chia-Pei Chen Ching-Hua Wang Tu-Tsun Representative of ASE Semiconductor Manufacturing Co., Ltd.: Tseng Yuan-I Representative of ASE Semiconductor Manufacturing Co., Ltd.: Su Ching-Chou

7. Company Names and Positions Held in Mainland China-Based Businesses: Shanghai Youhong Electronic Engineering Technical Consulting Co., Ltd.: Tseng Yuan-I (Director), Chou Chia-Pei (Supervisor) Shanghai Hongrong Property Management Co., Ltd.: Tseng Yuan-I (Director), Chou Chia-Pei (Supervisor) Shanghai Youchang Property Management Co., Ltd.: Chou Chia-Pei (Director), Su Ching-Chou (Supervisor), Chen Ching-Hua (General Manager) Dinggu Holdings Limited: Wang Tu-Tsun (Director)

8. Addresses of Mainland China-Based Businesses: Shanghai Youhong Electronic: Room 1201, No. 2, Lane 2288, Zuchongzhi Road, Zhangjiang High-Tech Park, Shanghai, China Shanghai Hongrong Property Management: Room 1202, No. 2, Lane 2288, Zuchongzhi Road, Zhangjiang High-Tech Park, Shanghai, China Shanghai Youchang Property Management: Room 1119, No. 2, Lane 2288, Zuchongzhi Road, Zhangjiang High-Tech Park, Shanghai, China Dinggu Holdings: 34th Floor, No. 610 Xujiahui Road, Huangpu District, Shanghai, China

9. Business Operations of Mainland China-Based Entities: Shanghai Youhong Electronic: Engineering technical consulting, construction engineering technical consulting Shanghai Hongrong Property Management: Property management consulting, construction project execution and technical consulting Shanghai Youchang Property Management: Property management consulting, construction project execution and technical consulting Dinggu Holdings: Investment

10. Impact on Hung-Ching’s Financial and Business Operations: Not applicable

11. If any director has invested in the aforementioned mainland China-based businesses, the investment amount and shareholding ratio: Not applicable

12. Other Matters to be Disclosed: Dinggu Holdings is registered in the British Virgin Islands