Listing Listing : Depositary Receipt (DR) DR type : Depositary Receipt Representing Interest from Underlying Foreign Securities DR Name : DR ON HUA HONG GRACE SEMICONDUCTOR LTD ISSUED BY KRUNG THAI BANK PUBLIC COMPANY LIMITED DR Symbol : HUAHONG80 Secondary market : SET Listed date : 09-Sep-2026 Trading date : 09-Sep-2026 Trading Session : Day Trading Session SEC Issuing Limit (Unit) : 2,500,000,000 Conversion Ratio (DR : Underlying) : 150 : 1 Offering type : Direct listing Offering Price (Baht per Unit) : 3.27 Description : DR selling price is the price calculated by the issuer based on the market price of the underlying foreign security, converted using a reference rate and exchange rate, and including the applicable administrative expenses incurred in buying foreign securities. Details of underlying Underlying Type : Common stock Underlying Symbol : 1347 Underlying Name : HUA HONG GRACE SEMICONDUCTOR LTD (1347) Underlying Exchange : The Stock Exchange of Hong Kong Limited (HKEX) Underlying Exchange (URL) : https://www.hkex.com.hk/Market-Data/Securitie s-Prices/Equities/Equities-Quote?sym=1347&sc_ lang=en Underlying Description : The company is a holding company that manufactures and sells semiconductor products, providing wafer foundry and specialized solutions for the electronics industry. ______________________________________________________________________

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