the operating result change Excess 20% Dear Sirs, We would like to report financial operating result for financial year ended June 30, 2018 as followings: 1. Our net loss before tax is 36.15 Million

ที่ กบร No. Kor Bor Ror. 020/2018 November 13, 2018 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2018 Dear

(July – September 2018) and clarification of the operating result change excess 20%. Dear Sirs, We gladly inform to report our 1st quarter performance figure during July – September 2018, ending September

Change Amount % Change Total Revenues 7,792 7,550 242 3.2% Sales and service income 7,624 7,300 324 4.4% Gains on Exchange rate 69 175 -106 -60.3% Other Income 99 75 24 30.8% Cost of Sales and Services

128,745 Change 92,046 32,320 7,842 -13,460 364,758 % Change 11.0 11.0 9.8 (14.4) 154.5 In overall, the Company and its subsidiaries had the net profit in the year 2018 at 128.7 MB increased 364.8 MB by

services and sales of construction materials For the first nine months of 2019, the Company and its subsidiaries reported revenues from construction services and sales of construction materials of Baht

debentures. 3 Income Statement For the six-month ended June 30 Change Unit: Million Baht 2018 2017 Amount % Revenues from construction services and sales of construction materials 14,959.24 20,289.88 (5,330.64

the nine-month ended September 30 Change Unit: Million Baht 2018 2017 Amount % Revenues from construction services and sales of construction materials 22,185.45 29,048.48 (6,863.03) (23.63) Other income

the previous year by Baht 716.53 million mainly due to decreased revenues from construction services and increased administrative expenses. Revenues from construction services and sales of construction

% Amount % Amount % Sales and services 3,586.96 99.90% 3,586.39 99.97% (0.58) (0.02%) 11,259.16 99.95% 10,336.49 99.96% (922.67) (8.19%) Cost of sales and services 3,289.04 91.60% 3,271.76 91.20% (17.28