receivable under finance lease, Financial Performance of the Group 2 Sales and service income for the period ended 31 March 2021 and 2020 are presented below: Sales and service income Q1-2021 Q1-2020 Change

quarter of 2018) as follows: Unit : million baht Q4/17 Q3/18 Q4/18 Change +/(-) QoQ % YoY % Net Revenue 191.39 271.57 244.40 -27.17 -10.01 53.01 27.70 Cost of Goods Sold 180.66 217.04 200.32 -16.72 -7.71

2018 (4th quarter of 2018) as follows: Unit : million baht Q4/17 Q3/18 Q4/18 Change +/(-) QoQ % YoY % Net Revenue 191.39 271.57 244.40 -27.17 -10.01 53.01 27.70 Cost of Goods Sold 180.66 217.04 200.32

summary of the Company’s operating performance in the second quarter of 2017 and 2016 is shown in the following table: 2Q17 1Q17 %Change 2Q16 %Change [Amount: in Baht Million] Q-o-Q Y-o-Y [2Q17 VS. 1Q17

. A summary of the Company’s operating performance in the third quarter of 2017 and 2016 is shown in the following table: 3Q17 2Q17 %Change 3Q16 %Change [Amount: in Baht Million] Q-o-Q Y-o-Y [3Q17 VS

case of a change of position or power of management of the person already approved by the SEC Office, that is, a change from the position of manager to the position of director, or from the position of

-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock

% of NNP respectively. ABBREVIATION & OUR PROJECTSFINANCIAL PERFORMANCE FINANCIAL POSITION PROGRESS OF PROJECTS UNDER CONSTRUCTION EXECUTIVE SUMMARY EXECUTIVE SUMMARY 2 9M’2017 9M’2018 % change Q2’2018

Ref. SorNor. 043/2017 August 10, 2017 To: President The Stock Exchange of Thailand Re: Notification on Business Restructuring, Change of Name and Capital Increase of the Subsidiaries Whereas, the

DCORP 132/2017 October 17, 2017 Re: Change of the Shareholding in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand This refers to the Meeting of the Board of Directors No. 8/2017 of