director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company Limited and its

Share Purchase Agreement with respect to the share purchase transaction of Glow Energy Public Company Limited Attention: President Stock Exchange of Thailand Reference is made to the Information

1st quarter ended 31 March 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 1st quarter ended 31 March 2019, as submitted by the Company

to the same period of 2018 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2019 interim consolidated

NO. OMD011/2562 15 May 2019 Re Explanation and analysis of the Management for the 1st quarter of 2019 ended 31 March 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 2

1 27 May 2019 Subject: Explanation of operating result in the financial statement ended 31 March 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement of FY

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of Director

7 August 2019 Subject: Management Discussion and Analysis for the Quarter 2 Ending 30 June 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting

Ref. HF 0114 / 2562 August 5th, 2019 Subject : Disclosure of Connected Transaction. (Edit) Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution of the Board of

1 8 August 2019 Subject: Explanation of operating result in the financial statement ended 30 June 2019 To: President The Stock exchange of Thailand With reference to the financial statement of Q1