[Xinding] Announcement of Material Financial and Business Information Due to Securities Reaching Monitoring Threshold on Centralized Market

1. Factual Date: 115/06/23 2. Reason: In accordance with notification from Taiwan Stock Exchange Corporation 3. Financial and Business Information: Period (Monthly) (Quarterly) (Last Four Quarters Cumulative) Most Recent Month YoY Change Most Recent Quarter YoY Change Q2 114 to Q1 115 Item (May 115) % Change (Q1 115) % Change IFRS Consolidated Self-Computed Figures IFRS Consolidated Reviewed Figures IFRS Consolidated (Audited/Reviewed) Figures ============================================================================ Operating Revenue 77 -25% 253 4% 1,136 (Million) Pre-Tax Net Profit -35 8% -65 4% -173 (Million) Net Profit Attributable to Parent Company Owners -35 8% -65 4% -173 (Million) Earnings Per Share -0.33 16% -0.68 4% -1.80 (NT$) 4. Whether there are material information events listed in Article 4 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information by Listed Companies': No. 5. Whether there is a press conference event under Article 11 of the same procedures: No. 6. Complete financial information is available on the Public Information Observation Station. Pathways are as follows: (1) Recent operating revenue and profit/loss information: Basic Information > Highlights (2) Historical monthly operating revenue: Business Overview > Monthly Revenue > Monthly Operating Revenue Information under IFRSs (3) Historical profit/loss (auditor-audited/reviewed figures): Financial Statements > Under IFRSs > Consolidated/Individual Statements > Consolidated Statement of Comprehensive Income (4) Historical profit/loss (voluntary self-computed announcements): Business Overview > Self-Computed Profit/Loss Announcements: None. 7. Other Matters to be Disclosed: None.