4958 Zhen Ding-KY

Release Date: June 23, 2026 Statement Date: June 22, 2026 Statement Time: 15:53:48 Company Code: 4958 Company Name: Zhen Ding-KY Purpose: This announcement is made because the company's securities have reached the threshold for public alert trading information on the centralized market. Relevant significant financial and operational information is disclosed to assist investors in distinguishing and understanding the company's status.

Applicable Clause: Item 51 Factual Date: June 22, 2026

Explanation: 1. Factual Date: June 22, 2026 2. Reason: In accordance with notification from the Taiwan Stock Exchange Corporation. 3. Financial and Operational Information:

Period (Monthly) (Quarterly) (Last Four Quarters Cumulative) ====================== ======================= ================ Most Recent YoY Most Recent YoY (Q2 2025 to Item Month (May Change% Quarter (Q1 Change% Q1 2026) 2026) 2026) (IFRSs Consolidated (IFRSs (IFRSs (IFRSs Consolidated Consolidated Consolidated Audited Figures) Preliminary Audited Figures) Figures) ============ ========= ============ ========== ================ Revenue 16,201 37.40% 40,728 1.61% 183,168 (NT$ million) Pre-tax 1,317 679.16% 2,400 64.78% 15,006 Net Profit (NT$ million) Net Profit 808 299.23% 1,426 125.41% 7,584 Attributable to Owners of Parent (NT$ million) EPS (NT$) 0.75 274.42% 1.33 101.52% 7.58

4. Whether there are any material events under Article 4 of the 'Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information by Listed Companies': None 5. Whether there is a need to hold a press conference under Article 11 of the same procedures: None 6. Complete financial information is available on the Public Information Observation Station. Access paths: (1) Recent revenue and profit: Basic Information > Highlights (2) Historical monthly revenue: Operations > Monthly Revenue > Monthly Revenue Information under IFRSs (3) Historical profit/loss (audited/reviewed): Financial Statements > Under IFRSs > Consolidated/Individual > Consolidated Statement of Comprehensive Income (4) Historical profit/loss (voluntary preliminary announcements): Operations > Preliminary Earnings Announcements 7. Other Notes: The company’s operations are normal. The stock price fluctuation in the centralized market is determined by market trading mechanisms and is not related to the company.