February 18, 2020 Re: Management Discussion and Analysis for full year 2019 To: Director and Manager of the Stock Exchange of Thailand Revenue from sales and rendering of services L&E’s consolidated

-Translation- NO. ED-MD2020-0004 February 24th, 2020 Subject: Clarification of changes in excess of 20% in the operating results for year ended 2017 To: Director and General Manager The Stock

August 11,2010 May 11, 2017 Re : Clarification on percentage of change more than 20% in Q1/2017 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales The Company's revenue

: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 2nd Quarter ended June 30, 2017 that total revenue was THB7.03 million

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial situation and business operation for Quarter 2/2017

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 - ชี้แจงเกิน20% Q3'60-EN (1) Date : November 13, 2017 Subject : The Explanation to SET concerning the operating result for Q3/2017 more than 20% Attention : The Director and Manager of

and Manager The Stock Exchange of Thailand The operating performance for three-month period ended 30 September 2017 of Mahachai Hospital Public Company Limited was highlighted as follow: 1. Company

To: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 3rd Quarter ended September 30, 2017 that total revenue was THB25.86

Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the year ended December 31, 2017 that total revenue was THB84.90 million increased by