income – Cost of sales and services (does not include other income) Q3 2019 Q3 2018 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and service income 219.09 301.56 -82.47 -27% Other income
of Baht 7,475.35 million, representing 96.07% of total revenues, an increase of 1.16% or Baht 85.61 million from last year. Cost of construction services and sales of construction materials In Q1 2019
Project Management, Supply and Installation of the M&E Systems for the MRT Blue Line Extension Project at the project inception. Cost of construction services and sales of construction materials The Company
23.63% or Baht 6,863.03 million from the same period of the prior year. Construction revenue decreased because Xayaburi Hydroelectric Power Project is now close to project completion. Cost of construction
period. Cost of construction services and sales of construction materials The Company and its subsidiaries registered cost of construction services and sales of construction materials amounting to Baht
of the plant and machineries from an independent engineering expert. The effect of such change in the estimated useful lives of assets to the depreciation charge during the quarter is as below; Unit
continues to be adversely affected by the change in sales mix towards lower gross profit margin products of home appliances such as air conditioners, refrigerators, washing machines and kitchen appliances etc
and 30.2% y-on-y in 6M’2019 to Baht 720 million, primarily due to commercial operations of new power plants in 2018 described previously. COST STRUCTURE FINANCIAL PERFORMANCE 6 6M’18 6M’19 change Q2’18
ended as of September 30, 2021, which can be summarized as follows: 1) Profit & Loss Analysis : Q3 2021 (3 Months) (Unit : Million Baht unless otherwise stated) Q3 2021 Q3 2020 Change Amount % Change
operating expenses in Q1–2024 changed in line with and similar to the increase or decrease in revenue compared to Q1–2023. That is to say, the change rate in revenue for Q1–2024 increased by 29.9% and the