1 Translation CEN 015-2019 November 14, 2019 Subject : Management Discussion and Analysis for business operation in Quarter 3-2019 To : The Manager and President The Stock Exchange of Thailand

Purchase Agreement for Hin Kong Power Project in Hin Kong Sub-district, Muang District, Ratchaburi Province with Electricity Generating Authority of Thailand. The agreement is effective from the execution

, The Stock Exchange of Thailand With respect to the financial statements for the year ended 31 December 2019, as submitted by the Company, which has been audited by the external auditor, considered by

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Microsoft Word - MDA FY19 EN.docx February 24, 2020 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

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February 2020 Subject: Clarification of the operating results for the year ended 31 December 2019, change of rate more than 20 percent To: Director and Manager The Stock Exchange of Thailand Ocean Commerce

(MD&A) for the year 2019 Attention: The President The Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the

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