-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

, 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

(including any membership in a professional body) of the issuer’s external auditors for the preceding two years. II. DESCRIPTION OF THE DEBT SECURITIES A. Economic Terms of the Debt Securities 1. Provide

in the environmental and social areas, which include respect for human rights and good corporate governance. For example, climate change risk, biohygienic and safety risk, disputes with the community

a link thereto in order for investors to be able to access such information conveniently. Such information must be kept for at least five years without change thereafter. In addition, the Company is

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