subsidiary purchased ordinary shares of WOG ITR Water Solution Company Limited (“WOG ITR”) of 48,571 shares with a par value of Baht 100 per share, representing 100% of the paid-up capital from 3 existing

Energy Public Company Limited (“TSE”) of 181.75 million shares, which represents 10.01% of issued and paid- up shares of TSE at the total value of 925.11 Million Baht or 5.09 Baht per share to Miss

Microsoft Word - Eng-SET Q1-19 reviewed Ref: FASET 02/2562 May 15, 2019 Subject: Report the operating result for the first quarter ended March 31, 2019 To: President of the Stock Exchange of Thailand

subsidiary (Solaris) decreased.  Bad debt and doubtful accounts decrease of Baht 4.32 million due to there are no set up this transaction for the year 2017.  In the third quarter for the year 2017, The

shareholding in TSE had decreased from 20% to 10% of the paid-up capital of TSE. However, under the Company’s financial statements, the accounting method used for recognizing share of profit from investment in

set up full allowance for impairment for Thanh Cong investment prior to the sale, and reversed such expense in the profit and loss in the same period.  The Company recognized share of profit from

Exchange of Thailand and set up the shareholder’s meeting for an approval of connected transaction from shareholder with the vote of not less than three – fourths of total votes of shareholder who attend and

set-q3-60 (Translation) LEE 21/2017 14 November 2017 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2017 To : President of The Stock Exchange of Thailand We

set-q4-60 (Translation) Ref.No.LEE 02/2018 27 February, 2018 Subject : Management Discussion and Analysis for the year ended December 31, 2017 To : President of The Stock Exchange of Thailand We

set-q4-61 (Translation) Ref.No.LEE 02/2019 27 February, 2019 Subject : Management Discussion and Analysis for the year ended December 31, 2018 To : President of The Stock Exchange of Thailand We