Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary

statements are presented is of a country that has experienced hyperinflation, the existence of such inflation, a five year history of the annual rate of inflation and a discussion of the impact of

assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2

than the previous year due to: the costs of domestic logistics business and dialysis manufacturing business which there had been none in 2017 due to no existence of such business; the expansion of

in legal proceedings and we shall not deny the existence of such information only because it is in an electronic form. 2 . We acknowledge and agree that if we change the information on the names of the

the legal proceedings and we shall not deny the existence of such information only because it is presented in an electronic form. 4 Clause 2 We acknowledge and agree that if we change the information as

can be referred to as evidence in the legal proceedings and we shall not deny the existence of such information only because it is presented in an electronic form. 4 Clause 2 We acknowledge and agree

transactions only matter in Clause 2 to 3 as well as the president conditions in the entire business transfer agreement the Extraordinary General Meeting of Shareholders No. 1/2018 Connected Transaction as

ไฮโดรเท็ค จํากดั (Translation) No. 024/0461 April 4, 2018 Subject Notification of the Board of Directors No.6/2018 Re: Convening the Extraordinary Shareholders’ Meeting No.1/2018; an Acquisition of

”) would like to inform you that, in accordance with the resolutions of the Board of Directors’ Meeting No. 10/2017 held on October 30, 2017 and the Extraordinary General Meeting of Shareholders’ No.1/2018