Management Discussion and Analysis for the Second Quarter of Year 2017 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

overview of performance. Unit : Million Baht For the three-months ended 31 March Items Increased (Decreased) 2019 2018 Amount Percentage 1 Revenue from steel tower manufacturing 226.94 177.01 49.93 28.21 2

13.22 million baht the overall operating results for the three-months period of year 2018 compare to the same period of year 2017 is shown in table 1 below. Table 1 provides an overview of performance

details are as follows; Operating Performance 1. Revenues Unit: Million Baht The overview of revenue for the 2nd quarter of the year 2018 by comparing to the same period of the last year, the revenue from

Management Discussion and Analysis for the Third Quarter of Year 2018 Business Overview Business overview of One to One Contacts Public Company Limited and its subsidiaries (“the Group”) for the

9.60 -3.64 -37.94% Total Revenue 339.79 369.08 -29.30 -7.94% 338.26 368.03 -29.77 -8.09% Sharing of gain (loss) from investment value of the associate and joint venture 0.83 -1.27 2.10 N.A. The overview

follow; Financial Overview Items Q1.2018 Q4.2017 + / (-) % Q1.2017 + / (-) % Sales 1,146.9 970.9 18.1 986.9 16.2 Cost of Goods Sold 894.7 778.8 14.9 799.5 11.9 Selling and Administration Expenses 49.8 43.5

-TRANSLATION- 25 February 2019 Subject : Management Discussion and Analysis for 2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

305 135 - 50 100 150 200 250 300 350 400 450 500 Y2017 Y2018 440 23.9% 21.3% GP 2017 GP TKS GP TBSP % GP Business Overview Year 2018 Performance T.K.S. Technologies Public Company Limited (“Company

September 30, 2019 as follows: Performance Overview For the first nine months of 2019, the Company and its subsidiaries had profit attributable to equity holders of the Company amounting to Baht 1,521.73