Quarter 3/2017 Changed (%) Incomes from sale and installation of the pipeline 260.74 280.05 (6.89) Incomes from the water management business 72.11 24.72 191.71 Other income 4.19 4.01 3.99 Total revenues

and Mr. Slib Soongswang with 2 directors signatory together with company’s seal to 3 authorized directors, Mr. Surachet Chaipattamanont Mr.Slib Soongswang and Mr.Subbhalerk Na Songkla; with 2 out of 3

nominated by SUTGH from 2 authorized directors, Mr. Surachet Chaipattamanont and Mr. Slib Soongswang with 2 directors signatory together with company’s seal to 3 authorized directors, Mr. Surachet

Normalized Profit attributable to Owners of the Parent 363.3 1,406.6 1,043.3 287.2 1 Operating Revenue consists of Raw Water Sales, Industrial Water Sales, and Wastewater Treatment Services. 2 Other Incomes

No. WHAUP-CS025/2018 28 May 2018 Subject: Notification of Information Memorandum of Related Party Transaction in Relation to Right to Operate Water Utilities Business in WHA Hemaraj Industrial Zone 1

Kaewthipharat or Mr. Pisit Wannavalee and affix the Company’s seal. The value of the transaction based on value of consideration basis is 3.11%, calculated based of financial statement as at December 31, 2017

the audit firm …………….…... Note: Signatures of the head and the authorized person of the audit firm are required, together with the audit firm’s seal (if any). Form 61 – 2

…………….…... Note: Signatures of the head and the authorized person of the audit firm are required, together with the audit firm’s seal (if any). Form 61 – 2

an audit firm ………………………………………….. Note : Signatures of the audit firm’s leader and authorized director and the audit firm’s seal (if any) are required.

director with audit firm’s seal (if any) are required every page. Document Checklists for Normal Applicants (Please mark X for all that apply) Documents Yes No N/A Reasons for No and N/A (1) Form 61-1 F