TXC Corporation Announces August 2026 Financial Results: Revenue Up 23.5% YoY to Over NT$14.1 Billion

Release Date: September 16, 2026 Statement Date: September 15, 2026 Statement Time: 13:44:51 Company Code: 3042 Company Name: TXC Corporation Subject: Announcement of Self-Reported Profit and Loss for August 2026 Applicable Clause: Item 51 Factual Date: September 15, 2026

Details: 1. Factual Date: 09/15/115 (September 15, 2026) 2. Company Name: Taiwan TXC Corporation 3. Relationship with Company (Please enter '本公司' or 'Subsidiary'):本公司 (Our Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence:

Monthly and cumulative financial figures for August 2026 are as follows:

Item (in NT$ thousands) Aug-115 YoY % YTD-115 YoY % -------------------------------------------------------------------------- Consolidated Revenue 1,414,665 23.5% 9,818,258 11.7% Consolidated Operating Income 284,935 79.0% 1,683,648 22.4% Consolidated Pre-tax Income 279,536 39.3% 1,795,150 30.1% Attributable to Parent 279,155 39.1% 1,791,280 29.7% Non-controlling Interests 381 1687.5% 3,870 303.4% Pre-tax EPS (NT$) 0.82 5.28 Attributable to Parent 0.82 5.27 Non-controlling Interests 0.00 0.01

Note: Pre-tax EPS is calculated based on the number of outstanding shares at the end of the month.

6. Response Measures: None 7. Other Matters to be Disclosed: None