., and Schedule for the EGM of Shareholders No. 1/2019 To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of Assets and

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised3) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

Managing Directors The Stock Exchange of Thailand Attachment 1. Information Memorandum concerning the Asset Acquisition Transaction and the Connected Transaction of Namyong Terminal Public Company Limited in

Province of Planet Board Company Limited, which is a Subsidiary of the Company Attention President The Stock Exchange of Thailand Enclosure Information Memorandum on Acquisition of Assets of East Coast

Province of Planet Board Company Limited, which is a Subsidiary of the Company (Additional) Attention President The Stock Exchange of Thailand Enclosure Information Memorandum on Acquisition of Assets of

and Exchange; “Stock Exchange” means the Stock Exchange of Thailand according to the Law on Securities and Exchange; “beneficial owner of derivatives traded by a client” means: (1) an owner or co-owner

well as major business development with BTS Group Holdings Public Company Limited (“BTS”), the leading rail mass transit operator, and Advance Info Services Public Company Limited (“AIS”), the number 1

data: 1.1 Definitions and examples of data collected by the SEC Office Personal data: Data of a personal nature, for example, identification number/passport number, title, name, surname (Thai/English