Topco Scientific: Announcement of Board of Directors' Resolution to Lift Non-Compete Restriction for Managers

1. Date of board resolution: 2026/05/07 2. Name and title of managers permitted to engage in competitive activities: Lai Shan-Kuei: Group Deputy Chairman / ESG Officer Tseng Hai-Hua: General Manager / Group Executive Director Lee Cheng-Jung: General Manager / Group Executive Director Chen Te-Yi: Chief Executive Officer Wu Yu-Min: Executive Officer Lee Yu-Ching: Executive Officer Lin Chih-Hao: Senior General Manager, Business Unit Mai Yen-Chi: Senior General Manager, Business Unit Chen Chien-Ming: General Manager, International Management Department Huang Yu-Chen: Senior Vice President 3. Items permitted for competitive activities: Provided that the interests of the company are not harmed, the non-compete restrictions on the above managers engaging in positions within the same business scope as the company are lifted. 4. Period permitted for competitive activities: During their tenure as managers of the company. 5. Resolution status (Please explain voting results according to Article 32 of the Company Act): Unanimously approved by all attending directors after consultation by the chairman. 6. Names and titles of managers whose permitted competitive activities are for businesses in mainland China (If not for businesses in mainland China, please enter “Not applicable” below): Tseng Hai-Hua: General Manager / Group Executive Director Lee Yu-Ching: Executive Officer Lin Chih-Hao: Senior General Manager, Business Unit 7. Company name and position in the mainland China business: (1) Tseng Hai-Hua Shanghai Pufei Core Microelectronics Co., Ltd. Director (2) Lee Yu-Ching Shanghai Pufei Core Microelectronics Co., Ltd. Chairman Xinchongxin (Xiamen) Technology Co., Ltd. Director Wuxi Jiutian New Material Co., Ltd. Director (3) Lin Chih-Hao Shanghai Pufei Core Microelectronics Co., Ltd. Director 8. Address of the mainland China business: Shanghai Pufei Core Microelectronics Co., Ltd.: Room 310, Building 2, No. 508 Chundong Road, Minhang District, Shanghai Xinchongxin (Xiamen) Technology Co., Ltd.: Room 601, No. 506 Lianting Road, Xiang'an District, Xiamen Wuxi Jiutian New Material Co., Ltd.: No. 11 Lianqun Road, Donggang Town, Xishan District, Wuxi City, Jiangsu Province 9. Business scope of the mainland China business: Shanghai Pufei Core Microelectronics Co., Ltd.: IC design company Xinchongxin (Xiamen) Technology Co., Ltd.: Refurbishment services for used machine equipment Wuxi Jiutian New Material Co., Ltd.: Semiconductor recycling wafer box and cleaning services 10. Impact on the company's financial and business operations: None 11. If managers have invested in the mainland China business, the investment amount and shareholding ratio: None 12. Other matters requiring specification: None