Tianer Technology Announces Material Financial Information Due to Trading Alert Threshold on Centralized Market

1. Factual Date: September 11, 115 (2026)

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

3. Financial and Business Information:

Period (Monthly) (YoY%) (Quarterly) (YoY%) (Last Four Quarters) ============== =========== ========= ============ ========= ============== Item Latest Month vs. Last Latest Qtr vs. Last Cumulative from Aug-115 Year Q2-115 Year Q3-114 to Q2-115 Consolidated (%) Reviewed (%) Audited Preliminary Data ============== =========== ========= ============ ========= ============== Revenue (NT$M) 255 114.30 584 51.95 1,700 Pre-tax Net Income 35 14.47 115 297.31 241 (NT$M) Net Income Attributable to Parent Owners 28 11.58 102 312.47 204 (NT$M) EPS (NT$) 0.31 10.71 1.15 312.96 2.30

4. Whether any material information under Article 4 of the TWSE's Procedures for Verification and Disclosure of Material Information by Listed Companies applies: No.

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

6. Complete financial data is available on the Public Information Observation System with the following 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 > Consolidated Income Statement (4) Historical profit/loss (voluntary preliminary announcements): Operations Overview > Preliminary Earnings Announcements: None.

7. Other Matters to be Disclosed: None.