Installation 3.49 7.92 (4.43) (55.93%) 3 - Construction 1,079.05 645.15 433.90 67.26% 4 - Testing and Inspection 57.22 61.43 (4.21) (6.85%) 5 Cost of sales and services (1,734.66) (1,473.90) 260.76 17.69% Gross

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6

goods 164.02 156.54 7.48 4.78 Revenue from project works and services 79.26 97.04 (17.78) (18.32) Total Revenue from Sale and Services 243.28 253.58 (10.30) (4.06) Cost of sales of goods 116.61 105.19

) (21.64) Revenue from project works and services 87.05 79.26 7.79 9.83 Total Revenue from Sale and Services 215.57 243.28 (27.71) (11.39) Cost of sales of goods 92.48 116.61 (24.13) (20.69) Cost of project

sale of goods 179.08 170.35 8.73 5.12 Revenue from project works and services 70.44 75.71 (5.27) (6.96) Total Revenue from Sale and Services 249.52 246.06 3.46 1.41 Cost of sales of goods 127.52 115.75

, kitchen utens ils and space usage expense of production unit. Major part of cost of sales is raw materials. Selling Expenses Percentage to Total Revenue Unit: THB Million Significant Events Financial

which increased by amount of Baht 47 million, mainly due to the efficiency improvement of production cost management. 2. Other incomes from dividend received for the year 2019 had amount of Baht 21million

sale of general investment of Baht 25 million in the first quarter 2019. While in 2018 the company recorded large amount of unrealized loss from mark-to-market price of investment in listed equity

Bill of Exchange (B/E) due at the end of the year 2016. Such knowledge considered as a material fact that negatively affects the price of IFEC securities. He took advantage of other investors by

cost) (meaning total expenses from the standalone financial statements net loss on sales of investment, loss on sales of leasehold right and fuel expense) divided by ASK.