consumption) NNP = Normalized net profit O&M = Operations and maintenance P.A. = Per annum PEA = Provincial Electricity Authority (Thailand) PPA = Power purchase agreement PTT = PTT Public Company Limited SG&A

of operations of the Group The Group has principally engage in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system

summary as follows:- 1. Nature of operations of the Group The Group has principally engage in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water

operations of the Group The Group has principally engaged in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system; including operate

(PP), Independent Power Producer (IPP), Small Power Producer (SPP), Very Small Power Producer (VSPP), Coal Mining, Operating and Maintenance (O&M), Management and Administrative Services (Management

in a complete stoppage of the plant. Using this opportunity, the Company preponed its Annual Maintenance Shutdown, which was earlier planned for May, 2019, by working strategically to align all

planned major maintenance in 1Q2019 and newly COD of 1 SPP (GNLL2) since 1 January 2019. In 1H2019, Share of Profit from Investments was Baht 1,091.9 million, a 20.5% increase from Baht 906.1 million in

volume declined due to planned shutdown maintenance. Natural Resources Business, reported performance improvement after realizing increased share of profit from investments made in the associated company

76.56 22.96 29.98% 196.97 151.65 45.32 29.88% Maintenance 16.57 12.21 4.36 35.68% 27.05 32.39 (5.34) (16.49%) Others 45.51 32.99 12.53 37.98% 82.50 70.94 11.56 16.30% Gross Profit 382.06 370.42 11.64 3.14

of 2.08 percent and increase in raw material cost, salary and benefits of the employees, electricity expenses, gas expense and repair and maintenance expenses. Cost of services was Baht 96.07 million