(amend To : President of the Stock Exchange of Thailand Ua Withya Public Company Limited ("Company") would like to describe and analyze the financial position and operating results for quarter 2-2019 are

Meeting of Shareholders’ agenda (additional) To President The Stock Exchange of Thailand Reference: 1. The letter to the Stock Exchange of Thailand of East Coast Furnitech Public Company Limited on the

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- Translation - LPH/SET/2017/019 August 11, 2017 To : President The Stock Exchange of Thailand The Board of Directors’ Meeting of Ladprao General Hospital Public Company Limited (the “Company” or

., 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

- Translation - IR62/002 26 February 2019 Re: Management Discussion and Analysis (MD&A) for the year 2018 To: President The Stock Exchange of Thailand Overview and Factors Affecting Future Operating Results In