May 9, 2018 Re : Operating Performance for Q1/2018 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales and rendering of services L&E’s consolidated revenue from sales of

Ref Ref. 2S_BoD017/2019 November 13th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand The Board of Directors’ meeting of

1 - TRANSLATION - VS/PC (Q-Con) 026/2017 July 27th, 2017. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2017

: Vice President - Listing Department Corporate Disclosure Standards, Stock Exchange of Thailand Attachment: Consolidated Reviewed Financial Statements for the Second Quarter ended 30th June 2017 Jutha

1 - TRANSLATION - VS/PC (Q-Con) 032/2017 October 31st, 2017. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the third quarter ended 30

- Translation - MPIC 014/2017 November 8, 2017 Subject: Submit the Financial Statement for the quarter ended September 30, 2017 and clarification for the change of operating result more than 20

November 14, 2017 Subject : Management Discussion and Analysis of 3rd quarter ended September 30, 2017 Attention : President The Stock Exchange of Thailand Operating Performance . Revenues Three

- Translation - MPIC 002/2018 February 14, 2018 Subject: Submit the Year End Financial Statement ended December 31, 2017 and clarification for the change of operating result more than 20% Attention

Letter_StockExchange_Nov14 November 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2019 Summary on

จดหมายชี้แจงปี61e February 27, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2018 Summary of operating result between 2018