Chuang Control Announces Material Information Due to Securities Reaching Monitoring Threshold on Exchange

1. Date of Event: June 24, 115

2. Reason for Disclosure: In response to a notice from the Taiwan Stock Exchange Corporation

3. Financial and Business Information:

Most Recent Month Most Recent Quarter Last Four Quarters Cumulative ====================== ======================= ============================= May 115 (Self-compiled) Q1 115 (Reviewed) Q2 114 to Q1 115 (Reviewed) Item vs. Same Period Last Year vs. Same Period Last Year ====================== ======================= ============================= Revenue (in million NT$) 41 102 522 +51.32% -22.16%

Pre-tax Net Profit 6 7 68 (in million NT$) +140.14% -64.90%

Net Profit Attributable 7 5 54 to Parent Company Owners +157.30% -69.18% (in million NT$)

Earnings Per Share (NT$) 0.11 0.07 0.82 +152.34% -73.08%

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 Issuers': No.

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

6. Complete financial information is available on the Public Information Observation Station via the following paths: (1) Recent operating revenue and profit/loss: Basic Information > Summary (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed data): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary self-compiled announcements): Operations Overview > Self-Compiled Profit/Loss Announcements: None

7. Additional Notes: The year-over-year comparison for the most recent month uses self-compiled figures for both periods.