WPG Holdings Corrects Related Party Transaction Declaration Information for December 2025

1. Date of occurrence of the event: 2026/04/07 2. Company name: WPG Holdings Co., Ltd. 3. Relationship with the company (please enter "the company" or "subsidiary"): The company 4. Mutual shareholding ratio: Not applicable 5. Reason for occurrence: Correction of the company's related party transaction declaration information for December 2025. Internal transactions offset by consolidation are not disclosed as per regulations. The corrected declaration content has excluded the aforementioned items. 6. Corrected information item/report name: Information related to acquisition and disposal of assets, purchases and sales, and accounts receivable and payable with related parties [Acquisition of assets], [Disposal of assets] 7. Amount/content/page before correction: December 2025: Related party name: WPG Electronics (Hong Kong) Limited Acquisition of assets item: Machinery and equipment Amount of assets acquired this month: TWD 123,683 thousand Cumulative amount of assets acquired this year: TWD 123,683 thousand Related party name: Co-Creation Smart (Hong Kong) Limited Disposal of assets item: Machinery and equipment Book value of assets disposed this month: TWD 123,683 thousand Transaction amount of assets disposed this month: TWD 123,683 thousand Cumulative transaction amount of assets disposed this year: TWD 123,683 thousand Profit/loss from disposal of assets this month: TWD 0 thousand Cumulative profit/loss from disposal of assets this year: TWD 0 thousand 8. Amount/content/page after correction: December 2025: Related party name: None Acquisition of assets item: None Amount of assets acquired this month: TWD 0 thousand Cumulative amount of assets acquired this year: TWD 0 thousand Related party name: None Disposal of assets item: None Book value of assets disposed this month: TWD 0 thousand Transaction amount of assets disposed this month: TWD 0 thousand Cumulative transaction amount of assets disposed this year: TWD 0 thousand Profit/loss from disposal of assets this month: TWD 0 thousand Cumulative profit/loss from disposal of assets this year: TWD 0 thousand 9. Countermeasures: After issuing a material information announcement, re-upload the corrected data to the Market Observation Post System. 10. Other matters that need to be specified: None