Assets and Execution of Connected Transaction on Disposal of Investment in SUT Global Co., Ltd. Hydrotek Public Company Limited ( the “Company”) hereby informs that the Board of Directors’ Meeting No. 9

Execution of Connected Transaction on Disposal of Investment in SUT Global Co., Ltd. Hydrotek Public Company Limited ( the “Company”) hereby informs that the Board of Directors’ Meeting No. 9/2019, held on

transaction to invest in the common stock of BS Myco Biotech Company Limited that operate in the Biopharmaceutical products with purchase from Bangjak Green Energy Company Limited total 399,990 shares or 85.65

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of

Report on Changes of Securities and Derivatives Holding in Reported by Position Reference No. Name of securities/derivatives holder Type of securities and derivatives Transaction Date No. of