【Cooler Master】Announcement on Behalf of Subsidiary Qihong Electronics (Shenzhen) Co., Ltd. Regarding a Contract for Factory Renovation Project on Leased Land

1. Contract type: Engineering contract. 2. Date of occurrence of the event: 115/4/24~115/4/24. 3. Date of Board of Directors' approval: April 24, Year 115 (2026). 4. Other approval dates: Not applicable. 5. Counterparty to the contract and its relationship with the company: Counterparty: Shenzhen Chuangxing Construction Co., Ltd. Relationship with the company: None. 6. Main content of the contract (including total contract amount, estimated amount of participation, and contract start and end dates), restrictions, and other important agreements: Signed a factory renovation project contract for Qihong Electronics (Shenzhen) Co., Ltd. with Shenzhen Chuangxing Construction Co., Ltd. Total contract amount: Approximately RMB 140 million (approximately NT$638 million). 7. Name of professional valuation firm or company and its valuation results: Not applicable. 8. Name of real estate appraiser: Not applicable. 9. Real estate appraiser's license number: Not applicable. 10. Specific purpose of acquisition: For production and operations. 11. Opinions of directors who dissented to this transaction: None. 12. Is this transaction a related party transaction: No. 13. Date of approval by supervisors or audit committee: Not applicable. 14. Is the valuation report a limited price, specific price, or special price: No or not applicable. 15. Is the valuation report not yet obtained: No or not applicable. 16. Reason for not yet obtaining the valuation report: Not applicable. 17. If there is a significant difference in valuation results, the reason for the difference and the CPA's opinion: Not applicable. 18. Name of accounting firm: Not applicable. 19. Name of CPA: Not applicable. 20. CPA's license number: Not applicable. 21. Date of previously announced material information on the same event: Not applicable. 22. Other matters that should be specified: Correction of the company's erroneously published announcement on April 23, Year 115 (on behalf of subsidiary Qihong Electronics (Shenzhen) Co., Ltd. regarding a contract for factory renovation project on leased land). The previous announcement is hereby revoked, and a new announcement is made based on the Board of Directors' resolution on April 24, Year 115.