(Translation) Ref.No.LEE 04/2020 14 May, 2020 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2020 To : President of The Stock Exchange of Thailand We submit

, and subsequently submit them to the SEC. EE is also required to make simultaneous public disclosure through the Stock Exchange of Thailand’s Electronic Listed Company Information Transmission System

Page 1 of 4 No. RJH – SET 4/2019 25 February 2019 Subject : Management’s Discussion and Analysis for the fourth Quarter of 2018 and year ended December 31, 2018 To : The President The Stock Exchange

32 MDA Q3 60 EN -Translation- No. ECF2 077/2017 November 14, 2017 Subject: Management Discussion and Analysis of the 3rd quarter ended September 30, 2017 To President The Stock Exchange of Thailand

C:\set\set 601113 e การไดม้าซ่ึงสินทรัพย ์LH USA 13-11-2017.doc 13 November 2017. Re : Acquisition of assets of the company’s subsidiary To Director and Manager The Stock Exchange of Thailand Please

(Microsoft Word - MPIC - 4150514765052264 E) -Translation – MPIC 013/2018 August 8, 2018 Subject: Notification of the investment in the distribution company in Cambodia Attn: The President The Stock

set-q3-61 (Translation) LEE 13/2018 14 November 2018 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2018 To : President of The Stock Exchange of Thailand We

Ref No : GENCO 010/2019 January 30, 2019 To: President The Stock Exchange of Thailand Subject

(Translation) UAC.CS/010/2019 May 10, 2019 Subject: Explanation of the operating results for the first quarter period ended March 31, 2019 To: President The Stock Exchange of Thailand Attachment

November 14, 2019 Subject : Management Discussion and Analysis for Nine-month and 3nd quarter ended November 30, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1