Listing Listing : Depositary Receipt (DR) DR type : Depositary Receipt Representing Interest from Underlying Foreign Securities DR Name : DR ON HYGON INFORMATION TECHNOLOGY CO., LTD. ISSUED BY KRUNG THAI BANK PUBLIC COMPANY LIMITED DR Symbol : HYGON80 Secondary market : SET Listed date : 13-Jul-2026 Trading date : 13-Jul-2026 Trading Session : Day Trading Session SEC Issuing Limit (Unit) : 800,000,000 Conversion Ratio (DR : Underlying) : 100 : 1 Offering type : Direct listing Offering Price (Baht per Unit) : 18.11 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 : 688041 Underlying Name : HYGON INFORMATION TECHNOLOGY CO., LTD. (688041) Underlying Exchange : Shanghai Stock Exchange (SSE) Underlying Exchange (URL) : https://english.sse.com.cn/markets/equities/l ist/overview/?COMPANY_CODE=688041&STOCK_CODE= 688041 Underlying Description : Designing and developing high-performance Central Processing Units (CPUs) and Deep-learning Computing Units (DCUs) for data centers and advanced computing applications. ______________________________________________________________________

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