operating system for monitoring the implementation of the exercise of voting rights; (4) Disclose the guidelines referred in (1) and the exercise of voting rights referred in (2) to investors by using

) Electronics Industry Public Company Limited and its subsidiaies Operating results for the year 2018 ended December 31, 2018 2018 2017 (Unit : Thousand Baht) Page 2 of 3 The Company’s income from service in 2017

Palmer & Turner (Thailand) Ltd MJD.IR.003/2562 28 February 2019 Subject : Clarification of the operating result for the year 2018 ended December 31, 2018 To : Director and Manager The Stock Exchange

quarter of the previous year, mainly from a decrease in interest paid on borrowing from financial institutions. Please be informed accordingly. Yours Sincerely, (Mr. Chih - Hung Lin) Chief Operating Officer

ended March 31, 2019 Firetrade Engineering Public Company Limited (“the Company”) would like to report the operating result according to the Company’s consolidated financial statement of the Company and

’ equity was valued at Baht 1,277.90 million and Baht 1,308.57 million, respectively. The increase in shareholders’ equity was thanks to the booking of operating profit. Yours sincerely (Mr. Teerawat

2019_Q1_MDA_ENG Ocean Glass Public Company Limited Page 1/3 Management Discussion and Analysis Operating Results In the 1st quarter of 2019, Ocean Glass Public Company Limited and its subsidiaries

THB 313 377 277 Q1'18 Q1'19 654 + 109.0% SalesTBSPSales TKS T.K.S. Technologies Public Company Limited Management Discussion and Analysis Operating Results for the three months period ended 31 March

: The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for the first

Container Line (Singapore), which is the brand-new company conducting the business of transportation principal equipped with its own container, formerly operating under Thai subsidiary. For Thai subsidiary