Winbond Electronics Announces Early Redemption of Fourth Unsecured Convertible Bonds on August 12, 115

Release Date: July 14, 115 Statement Date: July 13, 115 Statement Time: 16:51:35 Company Code: 2344 Company Name: Winbond Electronics Subject: Announcement of Early Redemption of Fourth Offshore Unsecured Convertible Bonds (ISIN: XS3322329080) on August 12, 115 Applicable Clause: Item 51 Event Date: July 13, 115

Details: 1. Event Date: July 13, 115 2. Company Name: Winbond Electronics Corporation 3. Relationship with Company (enter '本公司' or 'Subsidiary'):本公司 (Parent Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Event: According to Article 12(1) of the Issuance and Conversion Regulations of Winbond's Fourth Offshore Unsecured Convertible Bonds, from the day after the bond issuance date plus three months until the maturity date, if the closing price of the company's ordinary shares on the Taiwan Stock Exchange reaches 120% of the product derived by dividing the early redemption amount (defined below) by the bond's face value and then multiplying by the current conversion price, for 20 trading days within any consecutive 30 business days (in cases involving ex-rights or ex-dividend adjustments, the closing prices during the period from ex-date to ex-benchmark date shall be adjusted to pre-ex prices), the company has the right to redeem all or part of the bonds at the early redemption amount.

The 'early redemption amount' refers to the bond's face value plus interest compensation calculated at an annual rate of -1.5%, compounded semi-annually. This early redemption amount will first be converted into New Taiwan Dollars (NTD) at a fixed exchange rate, then converted into US Dollars (USD) using the prevailing exchange rate at the time of redemption (referencing the fixing rate displayed by Taipei Forex Inc. at 11:00 a.m.) for repayment.

6. Response Measures: The company will fully redeem all outstanding Fourth Offshore Unsecured Convertible Bonds on August 12, 115. 7. Other Matters to be Disclosed: None. This significant information also complies with Article 7, Paragraph 9, Item 9 of the Enforcement Rules of the Securities and Exchange Act, as it pertains to matters having a material impact on shareholders' rights or securities prices.