(exclude depreciation and amortization) • Natural gas, which is the main operating cost of the company’s power plants, in Q1/2018 the natural gas cost was Baht 3,548 million. The gas cost in Q1/2018

of Power Category of Plant Equity Holding (%) Contracted Capacity (MW) Equity Capacity (MW) GHECO-One Coal-fired IPP 35.00 660.0 231.0 Glow IPP Gas-fired Cogeneration IPP 5.00 713.0 35.7 Houay Ho Power

Q1’2018 (2.87 Baht/KWh in Q1’2017 and 2.85 Baht/KWh in Q4’2017) because the energy payment is indexed to the price of natural gas for which slightly increased to 237.21 Baht/mmBtu in Q1’2018 (232.68 Baht

In The year 2018, revenues are THB 347.49 million which decrease from that of year 2017 by THB 70.36 million. of the revenues is mostly generated from engineering and , industrial services of oil & gas

year sharply increased due to the increased in revenue from construction service in oil and gas sector amounting to 564.42 Million Baht, accounting for 123.03% compared to previous year. However, during

363.4 413.9 (50.5) (12.2) Sales of electricity to Industrial Users (IU) 1.6 2.3 (0.7) (30.4) Sales of steam (IU) 4.9 4.1 0.8 19.5 Total sales from Natural Gas Power Plant 470.8 522.6 (51.8) (9.9) Sales of

service in oil and gas sector amounting to 337.69 Million Baht, accounting for 33.00% compared to the same period of previous year. As at 31 December 2018, the Group has backlog for construction service in

Structural Mechanical Piping Electrical & Instrument service (SMP E&I) and Civil construction service. As at 31 March 2019, the Group has backlog for construction service in oil and gas sector totaling of

services of oil & gas service valued of THB 74.71 million, NDT services (Non-Destructive Testing) THB of 83.3 million, Manpower supply services of THB 15.58 million and The Water Supply of THB 4.1 million. 2

from construction service in oil and gas sector amounting to 243.47 Million Baht, accounting for 185.95% compared to the same period of previous year. However, the Group has completed property