Listing Listing : Depositary Receipt (DR) DR type : Depositary Receipt Representing Interest from Underlying Foreign Securities DR Name : DR ON WUXI BIOLOGICS (CAYMAN) INC. (2269) ISSUED BY KASIKORN SECURITIES PUBLIC COMPANY LIMITED DR Symbol : WUXI11 Secondary market : SET Listed date : 09-Nov-2026 Trading date : 09-Nov-2026 Trading Session : Day Trading Session SEC Issuing Limit (Unit) : 2,500,000,000 Conversion Ratio (DR : Underlying) : 50 : 1 Offering type : Direct listing Offering Price (Baht per Unit) : 4.18 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 : 2269 Underlying Name : WUXI BIOLOGICS (CAYMAN) INC. (2269) 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=2269&sc_ lang=en Underlying Description : The company engaged in the research, development, and manufacturing of biopharmaceuticals. provision of end-to-end solutions and services for biologics discovery from research and development through to the production of therapeutic proteins and biologics. ______________________________________________________________________

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