Winbond Electronics to Hold 2nd Quarter 2026 Earnings Conference Call

Pursuant to Article 4, Clause XX: 12

Factual Date: 2026/08/06

1. Date of Earnings Conference: 2026/08/06 2. Time of Earnings Conference: 15:00 3. Location of Earnings Conference: Maple & Pine Hall, 5F, Tapei Eloise Hilton Curio Collection Hotel, No.18 Songgao Road, Xinyi District, Taipei City 4. Conference Summary: Winbond Electronics will hold its 2nd Quarter 2026 Earnings Conference, during which the company will present its financial figures and operational overview for the second quarter of 2026. 5. Other Disclosures: None

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