the communication system 4G is coming to the end of the investment period. 2. Gross profit : The total gross profit of the 1st quarter of year 2019 was Baht 123.29 million representing an decreased of

of year 2018. The revenue was decreased from the revenue of sold electrical equipment and the revenue from the sold telecommunication towers because the communication system 4G is coming to the end of

3rd quarter of year 2018. The revenue was decreased from the revenue of sold electrical equipment and the revenue from the sold telecommunication towers because the communication system 4G is coming to

November 13, 2006 February 28, 2018 Subjects : Clarification of operating results for the Year 2017 Attention : The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit

20 percent for Q1/2019 ended March 31, 2019 of the Company and its subsidiaries, as shown below: (Unit: Thousand Baht) Revenue Gross profit Selling Admin Net profit Q1/18 213,552 76,707 21,974 18,709

Expenses 659.4 75.1 1,595.3 64.5 935.9 141.9 Profit before share of loss from investments in joint ventures, finance cost and income tax expenses 218.6 24.9 878.4 35.5 659.8 301.9 Share of loss from

Administrative expenses 99.0 4.8 185.6 2.8 86.7 87.6 Total Expenses 1,528.6 74.4 4,334.0 65.1 2,805.4 183.5 Profit before share of loss from investments in joint ventures, finance cost and income tax expenses

Incomes 78.14 60.33 Total Revenues 7,879.44 7,032.50 Selling & Administrative Expense 507.94 499.86 Finance Costs 90.76 94.42 Net Profit 443.44 121.25 Earnings per share (Baht) 1.11 0.30 The company would

and Service 962.18 1,113.20 -151.02 -13.57% Total Revenue 965.81 1,117.55 -151.74 -13.58% Net Profit for the Year 64.54 208.53 -143.99 -69.05% Net Profit for Shareholders of the Company 51.03 174.29

commission expenses 200.1 19.60 344.5 16.77 144.4 72.20 Project Management and overhead expenses 64.5 6.32 99.0 4.82 34.5 53.39 Total Expenses 813.4 79.71 1,528.6 74.41 715.2 87.93 Gross profit before