-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

first six- month of the year 2017 ended June 30, 2017 as follows: Company’s Performance (unit: million Baht ) 2017 Percentage (%) 2016 Percentage (%) Change increase (decrease) (%) Total income and other

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

obligations under the Share Sale and Purchase Agreement and the Share Subscription Agreement. Other Obligations No change has occurred, which causes a material adverse effect on the business or condition

, 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

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

Gain from change in a joint venture proportion 9.87 9.87 0.00 0.00 Other income 9.60 (1.28) 11.40 (1.11) Total income 799.34 5.83 806.22 (13.57) The Company wish to explain the main reasons change of

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