Financials Net sales 84,478 94,895 96,001 (12%) 366,620 326,152 12% Other income/(expense), net1 306 671 263 16% 1,746 2,090 (16%) Total Revenue 84,784 95,566 96,263 (12%) 368,365 328,242 12% Cost of sales2

Percentage 1.1 Revenues from construction Baht 8,356.43 million Baht 7,919.19 million Baht 437.24 million 5.52 1.2 Cost of construction 94.29% 92.07% - 2.41 1.3 Sales and service income Baht 919.07 million

Baht 7.18 million, a decline of 2,453.53%. The Company would like to clarify significant changes in the Group’s operating results as follows: 1. Revenues from sales and services for the year 2018

% -79.3 -11.2% Sales 18.4 2.5% 250.2 8.1% 231.8 1259.8% Service and Other Income 19.9 2.7% 36.7 5.0% 16.8 84.2% Total Income 746.3 100.0% 915.6 100.0% 169.3 22.7% Cost of Rental and Services 561.1 75.2

ended 30 June 2017 more than 20% from the last year as follows: Statement of Comprehensive Income Unit: Million Baht 30 June 2017 30 June 2016 Increased (Decreased) Percentage Remark Sales and Services

construction 96.04 % 93.96 % ( 2.21 1.3 Sales and service income Baht 275.02 million Baht 105.69 million Baht 169.33 million 160.21 1.4 Cost of sales and service 86.05 % 88.10 % ( (2.33) 1.5 Selling

to Baht 19.41 million or 15.91% The other income went up 22.10% amount to Baht 18.15 million due to gain on sales of medical equipment amount to Baht 9.17 million. 2. The cost of medical treatments

construction Baht 8,676.42 million Baht 8,356.43 million Baht 319.99 million 3.83 1.2 Cost of construction 93.61 % 94.30 % - (0.73) 1.3 Sales and service income - Property development - Concrete products and

leads to product development and finally expanding company business, increasing sales growth and profit return in the future Please be informed accordingly. Yours Sincerely, (Mr. Suchat Mongkhonaripong

% with costs of sales and services of ฿ 133.87 million, a ฿ 46.08 million or 25.61 % decrease. Therefore, the company’s total operating results for the three-month period which ended on March 31, 2019 have