sold and increasing in unit rate which is adjusted in line with the increase in average natural gas price. 3 Cost of sales and service Cost of sales and service for the period ended 30 June 2023 and 2022

decrease in average natural gas price, thus sales also decrease in line with the fuel material cost of natural gas. In addition, sales of municipal solid waste power plants also decreased as the result of

service cost and interest 9 Employee benefit obligations - Past service cost (23) Income tax expense 11 1,032 http://www.avaccount.com/accountcontent/index.php?topic=1466.0 Management’s Discussion and

2016, respectively). Revenue from sales and services increased comparing with last year due to the increase in sale volume as well as selling price. Consolidated cost of goods sold for the year 2017 and

Price (Bht./ton) 18,690 16,163 HRC Cash Margin (Bht./Ton) 1,700 1,586 Unit: million Baht 31 December 2017 31 December 2016 Fin an cia l St at us Total Liabilities 5,492 5,871 Total Asset 19,546 17,813

733 HRC Average Selling Price (Bht./ton) 18,690 16,163 HRC Cash Margin (Bht./Ton) 1,700 1,586 Unit: million Baht 31 December 2017 31 December 2016 Fin an cia l St at us Total Liabilities 5,492 5,871

have made the company a high selling expense. The main costs are as follows. Expenses Jan – Dec 2017 Jan - Dec 2016 Increase(Decrease) Mimmion Baht Percent 1. cost of employee 48.05 43.43 4.62 10.64 2

Cost 4,631.8 6,400.8 38.2% Gross Profit/2 6,232.8 6,007.9 (3.6%) Net Profit 2,906.8 3,229.3 11.1% Normalized Total Revenue/3 10,882.7* 13,058.7 20.0% Normalized Net Profit/4 2,422.8* 2,932.9 21.1% /1

to the company's sales began to increase during the past December. 2. Cost of sales to revenue ratio increased by 5.01% (from 87.47% in 2021 to 92.48% in 2022) due to the raw materials price increased

% in 4Q17. Cost & Expense In 1Q18, cost of service was Bt17,281mn increasing 6.3% YoY and 1.5% QoQ mainly from the change in accounting treatment on the partnership with TOT. • Regulatory fee was