Securities and Exchange Commission No. Sor Shor. 26/2558 Re: Rules, Conditions, and Procedure for Granting Approval of Trust Managers of Infrastructure Investment Trusts and Operating Standards

transaction to invest in the common stock of BS Myco Biotech Company Limited that operate in the Biopharmaceutical products with purchase from Bangjak Green Energy Company Limited total 399,990 shares or 85.65

% June 30, 2019 June 30, 2018 Amoun % Revenues from dental service 125.90 115.34 10.56 9.16 242.44 215.98 26.46 12.25 Other main revenues 8.20 1.95 6.25 320.08 13.36 3.43 9.93 289.52 Total revenues from

17.01 319.86 Total revenues from medical services 144.88 121.38 23.50 19.36 400.68 340.79 59.89 17.57 Cost of services (127.16) (112.06) (15.09) 13.47 (362.39) (319.63) (42.76) 13.38 Revenues from dental

follows: Management Discussion and Analysis For the three months ended March 31, 2020 Summary of Performance Sales Revenue For the three months ended 31 March 2019 and 2020, the Company recorded total sales

School Name: สารสาสน์วิเทศศึกษา (Translation) Re: BOD.SET 005/2018 February 23, 2018 Subject: Clarification on the Change in operating results for the year ended December 31, 2017 over 20% compared

mountain areas, and also expanding to the online media and agency service. Operating Results Overview Operating results in the separate financial statements of the Company for the three-month and six-month

Public Company Limited and its subsidiaries (“the Company”) would like to clarify herewith the financial position and operating result for the 3-month period ended 31 March 2020 as follows:- Financial

and mountain areas, and also expanding to the online media and agency service. Operating Results Overview Operating results in the separate financial statements of the Company for the three-month and

- Translation - 11 November 2019 Subject: Management’s Discussion and Analysis for the Operating Results of the 3 rd Quarter of 2019 Attention: The President of the Stock Exchange of Thailand Exotic