Hwang Chang General Contractor Co. Ltd. Announced winning the tender of Improvement Project for Adding New Northbound Entrance and Exit Ramp at Wugu Interchange of National Highway No.1. .Date of occurrence of the event:2022/11/15 2.Company name: HWANG CHANG GENERAL CONTRACTOR CO.,LTD. 3.Relationship to the Company (please enter head office or subsidiaries):head office 4.Reciprocal shareholding ratios: NA 5.Cause of occurrence: NA 6.Countermeasures:The company win the tender of ¡¨Improvement Project for Adding New Northbound Entrance and Exit Ramp at Wugu Interchange of National Highway No. 1 (No.

I103S). The total contract price is TWD 3.336 billion. The owner is Freeway Bureau, MOTC The construction period is 1,440 calendar days.

7.Any other matters that need to be specified: No.