Ding Yuan Announces Financial Information Disclosure Due to Reaching Trading Alert Threshold on Centralized Market

1. Date of Event: June 22, 115 (2026)

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

3. Financial and Business Information:

Consolidated Financial Data of the Company:

| Item | Most Recent Month | vs. Same Month Last Year | Most Recent Quarter | vs. Same Quarter Last Year | Cumulative Last Four Quarters | |--------------------------|-------------------|--------------------------|---------------------|----------------------------|-------------------------------| | | May 115 (2026) | Increase/Decrease % | Q1 115 (2026) | Increase/Decrease % | Q2 114 (2025) to Q1 115 (2026) | | | (Self-compiled) | | (Reviewed) | | (Reviewed or Audited) | |--------------------------|-------------------|--------------------------|---------------------|----------------------------|-------------------------------| | Revenue (Million NT$) | 233.4 | +3.1% | 545.1 | -9.9% | 2,276.3 | | Pre-tax Net Profit (Million NT$) | 12.5 | +206.5% | 17.7 | +1634.8% | (34.3) | | Net Profit Attributable to Owners of Parent (Million NT$) | 12.5 | +206.5% | 16.6 | +1035.0% | (57.8) | | Earnings Per Share (NT$) | 0.042 | +206.5% | 0.06 | +1035.0% | (0.19) |

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

5. Whether there are circumstances requiring a press conference under Article 11 of the said Procedures: No

6. Complete financial information is available on the Public Information Observation Station. Access paths:

(1) Recent operating revenue and profit/loss: Basic Information > Highlights (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary self-compiled announcements): Operations Overview > Self-Compiled Profit/Loss Announcements

7. Other Matters to be Stated: None