Baht increased when compared to same period of previous year with the loss of 156.66 Million Baht which can summarized below: Performance Analysis (1) Revenue Year 2018, the company and subsidiaries have

instruments in first quarter of 2019 were Baht 522 million, an increase of 34 percent compare to the first quarter of the previous year, due to an improved performance of the Company’s wide range of investments

the three-month period Ended March 31, 2019, which was audited by the auditor With significant operational results as follows Company performance For the three-month period Ended March 31, 2019, with a

income until the gross profit being reported differently from the previous periods PAGE 2 MANAGEMENT DISCUSSION & ANALYSIS (MD&A) Q1 2019 The Proportion of Gross Profit in Q1/2019 Operating performance by

31, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status had varied over

52,944.89 900.16 34,755.21 31.67 3.52 Total Shareholders' Equity 360.46 20,480.68 444.16 17,149.03 (83.70) (18.84) Financial Performance for the quater March 31 , 2019 (Unit : Million Baht) Financial Position

Q1'19 164 + 127.3% GP TBSPGP TKS 23.0% 25.0% 27.1% 22.2% %GP Business Overview Q1’2019 Performance T.K.S. Technologies Public Company Limited (“Company”) reported total revenues growth of 109.0% or THB

-TRANSLATION- 15 May 2019 Subject : Management Discussion and Analysis for Q1/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

ที่ บช NO. AC. 002/2019 15 May 2019 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development Plc

-month ended March 31, 2019 as follows: Performance Overview In Q1 2019, the Company and its subsidiaries had profit attributable to equity holders of the Company amounting to Baht 355.47 million