【Baolai】Announcement regarding the Board of Directors' resolution to sign construction engineering contracts with a related party.

1. Type of contract: Construction Engineering Contract 2. Date of occurrence: 2026/5/6~2026/5/6 (Republic of China calendar year 115) 3. Date of Board of Directors' approval: May 6, 2026 (Republic of China calendar year 115) 4. Other approval dates: Not applicable 5. Counterparty of the contract and its relationship with the company: Pucheng Construction Co., Ltd., a substantial related party of the company. 6. Main content of the contract (including total contract amount, estimated amount to be invested, and contract start and end dates), restrictive clauses, and other important agreements: Estimated transaction counterparty: Pucheng Construction Co., Ltd. The construction cases and estimated transaction amounts are as follows: Huaya Section case, estimated transaction amount (incl. tax): NTD 2,118,087 thousand Linkou Lixing Section case, estimated transaction amount (incl. tax): NTD 1,170,675 thousand Taipei Xinzhoumei Section case, estimated transaction amount (incl. tax): NTD 1,289,250 thousand Zhongli Zhongyun Section Phase 1 case, estimated transaction amount (incl. tax): NTD 470,665 thousand Zhongli Zhongyun Section Phase 2 case, estimated transaction amount (incl. tax): NTD 1,115,325 thousand Neihu Shitan Section case, estimated transaction amount (incl. tax): NTD 838,292 thousand Xizhi case, estimated transaction amount (incl. tax): NTD 5,938,830 thousand 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 license number: Not applicable 10. Specific purpose of acquisition: To outsource construction engineering contracts for construction project needs. 11. Opinions of directors who dissented from this transaction: None. 12. Is this a related party transaction: Yes 13. Date of approval by supervisors or Audit Committee: May 6, 2026 (Republic of China calendar year 115) 14. Is the valuation report a limited price, specific price, or special price: No or not applicable 15. Has the valuation report not yet been obtained: No or not applicable 16. Reason for not yet obtaining the valuation report: Not applicable 17. If there is a material difference in the valuation results, the reason for the difference and the CPA's opinion: Not applicable 18. Name of accounting firm: Not applicable 19. Name of accountant: Not applicable 20. Accountant's license number: Not applicable 21. Date of previous major announcement on the same event: Not applicable 22. Other matters to be specified: This case has been approved by the Board of Directors and will be submitted for discussion at the 2026 Annual General Meeting of Shareholders. Keywords: Major Announcement