Chang Hsin Announces Financial Information Due to Securities Trading Alert Threshold

1. Date of Event: 115/06/24

2. Reason for Disclosure: In accordance with notification from Taiwan Stock Exchange Corporation

3. Financial and Operational Information:

Period (Monthly) (Monthly) (Quarterly) (Quarterly) (Last Four Quarters) ============== ========== ========= ============ ========= ============== Item Most Recent YoY Most Recent YoY From 114 Q2 to Month Change Quarter Change 115 Q1 115 May (%) 115 Q1 (%) 115 Q1

Consolidated Consolidated Consolidated Self-Reported Audited Audited Figures Figures Figures ============== =========== ========= ========= ========= ============== Revenue (NT$M) 446 49.66 1,167 34.76 4,142 Pre-tax Profit (NT$M) 31 1133.33 100 96.08 265 Net Profit (NT$M) 23 560.00 71 108.82 184 EPS (NT$) 0.33 539.72 1.02 109.49 2.63

4. Whether there are any material events under Article 4 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Public Disclosure of Material Information by Listed Companies': No.

5. Whether there is a press conference required under Article 11 of the same procedures: No.

6. Complete financial information is available on the Public Information Observation Station. Access paths: (1) Recent revenue and profit: Basic Information > Highlights (2) Historical monthly revenue: Operations > Monthly Revenue > Monthly Revenue Information under IFRSs (3) Historical profit and loss (audited/reviewed): Financial Statements > Under IFRSs > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit and loss (voluntary self-reported): Operations > Self-Reported Earnings: None.

7. Other Matters to Note: None.