and its subsidiaries had the operation results for the three-month period ended March 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change (%) Revenue from Sales

(Million Baht) Quarterly Change Six-month End June 30, Change 2/2018 2/2017 % 2018 2017 % Revenue from sales Domestic sales 119.8 104.6 14.6 226.4 241.4 (6.2) Export sales 375.4 391.0 (4.0) 670.6 767.1 (12.6

resulted at Baht 1.29. Statement of Comprehensive Income Total Revenues (Million Baht) Quarterly Change Nine-month End September 30, Change 3/2018 3/2017 % 2018 2017 % Revenue from sales Domestic sales

-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

Conservation Policy as guidance for contributing to efforts to mitigate the impacts of climate change by reducing greenhouse gas emissions caused by our operations and by creating products and services that

% 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

, Ended of June 30, 2018 Unit: Million Baht Power Generation Others Total Change Increase (Decrease) Quarter 2 Quarter 2 Quarter 2 Quarter 2 2018 2017 2018 2017 2018 2017 Amount % Total Revenues 8,929 7,850

, Ended of September 30, 2018 Unit: Million Baht Power Generation Others Total Change Increase (Decrease) Quarter 3 Quarter 3 Quarter 3 Quarter 3 2018 2017 2018 2017 2018 2017 Amount % Total Revenues 10,140

(“ICUK”) of THB 11 million, and the rest to many other countries both in Asia and Outside Asia totaling of THB 126 million, rose by THB 39 million or 44.8% driven mainly by sales orders of Yemen and

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