the ordinary share value. Project on hand as ended December 31, 2017 Project on hands as of December 31, 2017 No. of project Contract Value (Million Baht) Backlog (Million Baht) Construction Project

Management Discussion and Analysis for Interim Business Operations Financial Performance for the year ended December 31 , 2018 (Unit : M ill ion Baht) 2018 2017 Inc./(Dec.) % Construction income

2019 First quarter of 2018 Increased (Decreased) Amount % 1.1 Revenues from construction Baht 1,851.66 million Baht 2,250.87 million Baht 399.21 million (17.74) 1.2 Cost of construction 92.87 % 93.35

Limited (“TIES”), through securities trading account of Miss Ornsiree Chinkamtornwong. The sales were made in such a way that took advantage of others by using non-public information material to TIES share

to TIES share price concerning the operating results for the second quarter of 2014 contained a loss due to the cancellation of a TIES construction project. Mr.Assavin used such non-public information

, 2017 (Unit : Million Baht) 2017 2016 Inc./(Dec.) % Construction income 146.58 250.70 -104.12 -41.53 Service income 15.96 24.00 -8.04 -33.50 Sale of goods 1.05 1.05 Other income 1.64 1.09 0.55 50.46 Total

1.34 (0.72) (53.73%) 1 - Construction 554.20 346.80 207.40 59.80% 2 - Testing and Inspection 21.79 21.40 0.39 1.82% Cost of sales and services (683.90) (502.26) 181.64 36.16% Gross Profit 75.79 61.69

Translation Management Discussion and Analysis for Interim Business Operations The Information of Share Capital Registration On June 15 - 19, 2020, the Company offers ordinary shares by number of

Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 150.24 92.91 21.63 87.82 128.61 594.59 Service Income 9.70 6.00 0.41 1.66 9.29

Changed (%) 30 Sep 19 30 Sep 18 Changed (%) Revenues from construction contracts 496.14 344.87 151.27 43.86 1,450.80 1,060,09 390.71 36.86 - EPC Services 104.92 110.21 (5.29) (4.80) 315.80 525.70 (209.90