Memorandum concerning the Connected Transaction of the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited Following Hydrotek Public Company Limited (the “Company”)’s Board of

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED

CPR GOMU INDUSTRIAL PUBLIC COMPANY LIMITED CPT DRIVES AND POWER PUBLIC COMPANY LIMITED CS LOXINFO PUBLIC COMPANY LIMITED CSP STEEL CENTER PUBLIC COMPANY LIMITED D.T.C. ENTERPRISE PUBLIC COMPANY LIMITED