Re: Registration of Licensed Derivatives Business Operator in the Category of Derivatives Fund Manager

Rules, Conditions and Procedures for the Approval of REIT Manager and Standard Conduct

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.3/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 9 May 2019

operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation public company limited ("the Company") and its

%, primary by higher Gross Profit of High-Valued Document. Excluding extra expenses that are combined as part of the cost of sales in 2Q19. Consisting of the impact of the legal adjustment of compensation for

reported at 21.6%, nearly to %GP 9M18 represented at 21.7%. Excluding TBSP %GP at 17.2%, Company’s core %GP achieved at 24.9%, primary by higher Gross Profit of High-Valued Document. Excluding extra expenses

Subject: Clarification for the year Ended May 31, 2019 operating results that posted a difference greater than 20% To: Director and Manager the Stocks Exchange of Thailand World corporation public company

Position and THB million Q1’19 Q1’18 %Chg As Reported (% to Sales) Total Admin Exp. 69(10.5%) 42(13.4%) 65.0% TKS 41(6.2%) 39(12.6%) 4.7% One-off Extra exp. - 3(0.8%) (100.0%) Company 41(6.2%) 42(13.4%) (1.9

%) One-off Extra exp. 14(1%) 2(0.1%) 654% Company 183(14.4%) 176(12.8%) 3.6% TBSP 73(9.2%) - 100% Company reported Administrative expenses for year 2018 of THB 256 mil. (12.4%), while showed of THB 176 mil

Rules on Appointment of a Third Party as a Service Provider on Behalf of an Intermediary or as a Marketing Agent of a Derivatives Fund Manager