(SPP+VSPP) Steam -5% YoY +15% QoQ Natural gas (IPP)Electricity (IPP) Revenue (THB million) Natural gas (SPP) Maintenance fee Other raw materials Others Cost of sales and services (exclude depreciation

materials Others Cost of sales and services (exclude depreciation and amortization) (THB million) Industrial and chilled water 33% 17% 54% 71% 5% 5%5% 3%3% 4% 8,471 8,798 1H/60 1H/61 31% 13% 20% 56% 75% 68% 5

(THB million) Natural gas (SPP) Maintenance fee Other raw materials Others Cost of sales and services (exclude depreciation and amortization) (THB million) Industrial and chilled water +66% YoY +7% QoQ

a business in providing a technical or academic service; and to survey, study, research, analyze, and examine engineering materials and tools; and to design, evaluate, conclude, report, and control an

utilization rate to available capacity, and eventually a higher cost of goods produced and low margin. To offset a slowdown in orders, the Company reduced costs by obtaining better sources of raw materials

. Waratkris is on the top ten shareholders list of a listed company operating the business in relation to distribution of metal products to be raw materials of various types of industries. 4 In accordance with

gross profit came from; 1. Cost of main raw materials such as natural rubber prices were higher than the year 2016 which was 32.19 %. 2. The Thai baht appreciated against the US dollar was higher than the

from the rising in global steel price which was the raw materials of the Company’s products. However, the Company has procedures in managing cost by efficiently planning flat production, continue

, the ending of projects together and lower global price of materials which all were resulting to the decreasing in the sales. Eventually, there were the impacts to the lower gross profit. The profit

materials , interest income , Gain on changes in fair value of investment , and Profit from Exchange rates, etc. Other income to total revenue for the 1st quarter of 2018 and 2017 were 0.71% and 0.55