JSL Construction & Development Co., Ltd. announced that the company's board of directors approved the land purchasing. Name and nature of the underlying asset (e.g., land located at Sublot XX, Lot XX, North District, Taichung City): No. 347, 350~374, 378, 385~386, 388,Fuxing Section, Emei Township, Hsinchu County.

.Date of occurrence of the event: July 1, 2024 .Transaction unit amount: Transaction unit amount: Area 36,621.72 square meters, equivalent to about 11,078.07 ping. Unit price: Average TWD 52,200 per ping. Total transaction price: TWD 578,529,480.

Trading counterparty and its relationship with the Company: natural person . Terms of delivery or payment (including payment period and monetary amount), restrictive covenants in the contract, and other important terms and conditions: Terms of delivery or payment: According to contract conditions. Restrictive covenants in the contract: None.

. The manner of deciding on this transaction, the reference basis for the decision on price, and the decision-making unit: The manner of deciding on this transaction: price negotiation. the reference basis for the decision on price GReference market price and the appraisal report.

decision-making unit: Board of Directors. Name of the professional appraisal firm or company and its appraisal price: Appraisal Firm:Rih Sheng Real Estate Appraiser Office Result of appraisal: TWD 585,702,984. Appraisal Firm: Rui-Ming Real Estate Appraiser Firm Result of appraisal: TWD 583,487,370.

Name of the professional appraiser:T asi,Kun-Chieh/Lin,Yu-Juan . Practice certificate number of the professional appraiser: (99)New Taipei Estimation No.000069(Reissued) (108)New Taipei Estimation No.000137. Concrete purpose or use of the acquisition or disposal: Build buildings and increase profits.

. Date of the board of directors resolution: June 28, 2024 . Date of ratification by supervisors or approval by the audit committee: June 28, 2024 .