Ruentex Development Co.,Ltd. announced addition of construction contract of Ruentex Star of Nangang with Ruentex Engineering & Construction Co. Ltd. Contents Construction contract of Ruentex Star of Nangang: Total contract amount before addition TWD 1,391,023,880 (tax excluded) (Approved and announced by the board of directors on January 13, 2023); Additional amount: TWD 1,040,856,023 (tax excluded). Total contract amount after addition: TWD 2,431,879,903 (tax excluded).

Name of the professional appraisal firm or company and its appraisal opinion: Jhong-Ding Real Estate Appraiser Firm Value: Construction Value TWD 2,563,065,366 (tax excluded); Integration Appraiser Firm Value: Construction Value TWD 2,567,379,382(tax excluded).