3702 WPG Holdings: Announcement of Correction to Subsidiary WPG Korea's Derivatives Trading Information for June 2026

Announcement Date: July 14, 2026 Statement Date: July 13, 2026 Statement Time: 16:12:34 Company Code: 3702 Company Name: WPG Holdings Subject: Announcement on behalf of subsidiary WPG Korea Co., Ltd. regarding the correction of derivatives trading information for June 115 Applicable Clause: Clause 51 Factual Date: July 13, 2026

Details: 1. Factual Date: 7/13/115 2. Company Name: WPG Korea Co., Ltd. 3. Relationship with Company (enter '本公司' or 'Subsidiary'): Subsidiary 4. Cross-shareholding Ratio: 100% 5. Reason for Occurrence: Correction of derivatives trading information for June 115 by subsidiary WPG Korea Co., Ltd. 6. Item/Report Name to be Corrected: WPG Korea Co., Ltd. June 115 Derivatives Trading Information – Forward Contracts 7. Amount/Content/Page Before Correction: Total Contract Amount of Closed Contracts: NT$24,054 thousand Realized Gain/Loss Recognized in Current Year from Closed Contracts: NT$379 thousand 8. Amount/Content/Page After Correction: Total Contract Amount of Closed Contracts: NT$23,868 thousand Realized Gain/Loss Recognized in Current Year from Closed Contracts: NT$376 thousand 9. Response Measures: Re-uploaded corrected information to the Public Information Observation Station 10. Other Matters to be Disclosed: None