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

2016. The waste treatment revenue decreased 8.4 million baht and real estate business revenue decreased 31.4 million baht. (1) Service Income - waste treatment business (Disposal-Landfill and

May 8, 2019 Re : Management Discussion and Analysis for Q1/2019 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales and rendering of services L&E’s consolidated revenue

% from THB 267.0 million to THB 232.2 million, and other income decreased by THB 2.9 million from THB 7.0 million to THB 4.1 million, whereas revenue from rental and rendering of services increased 8.1

August 8, 2018 Re: Operating Performance for Q2/2018 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

followings: Revenue form Sales for Q3 year 2018 and Q3 year 2017 was 466.86 million baht and 433.18 million baht, respectively. Revenue from sales increased at the amount of 33.68 million baht or 7.78% when

company of 24.80 million Baht. The significant changes are as follows: 1. The Group had sales and service income in the second quarter of 2020 in the amount of 1.31 million Baht. Revenue decreased by 90.29

, representing a decrease of Baht 114.78 million or 158.78% YoY, which could be largely attributed to the factors as follows : 1. The company had total sales revenue of Baht 592.73 million, representing a decrease

November 13, 2019 Re : Management Discussion and Analysis for Q3/2019 To : Director and Manager of the Stock Exchange of Thailand Revenue from sales and rendering of services L&E’s consolidated

operating performance. Revenue from Sales for Q2/2021 and Q2/2020 was 654.38 million baht and 538.14 million baht, respectively. It increase 116.24 million baht or 21.60% when compared with Q2/ 2020. The