combined cycle cogeneration power plants from Baht 251.99/mmBtu to Baht 235.45/mmBtu for the six months ended June 30, 2017. Electricity sales to Industrial Users (IUs) - Thailand  Electricity sales to

days 69 72 63 Cash Conversion Cycle days 81 75 66 Finanial data and profitability ratios Sales revenues million baht 49,269 46,887 46,938 %change (%) 5.1% (0.11%) 6.51% Gross profit million baht 12,547

% – 74.3% throughout the year 2017, over the cycle, anyhow overall went on at higher level than previous year, somewhat improved indicates the recovery trend, but not too much while big portion of idle

production capacity utilization ratio swung between 67.6% – 74.3% throughout the year 2017, over the cycle, anyhow overall went on at higher level than previous year, somewhat improved indicates the recovery

and maintenance services. The Company booked a net marginal gains from divestment, as equity gain/loss from White Group performance were recorded on a quarterly basis. Osotspa Public Company Limited

to the cycle of the market which lowering the demand of steel products. The Company has exported its products as according to the marketing plan in order to expand marketing strategy, improve standard

shall be improved from Q2/2018 due to the cycle of the market which has passed the long holiday period that has sluggish demand of steel products. However, the Company will increase and maintain the

inspection cycle (2016 to 2018), audit firms in the capital market established and maintained a system of quality control as required by the Thai Standard on Quality Control (“TSQC 1”). The majority of audit

while the decrease in revenue of the combined cycle power plant is caused by temporarily shut down for major maintenance. Please be informed accordingly. Yours faithfully, (Mr.Pijayaphong Na Bangxang

meeting also considered changing the securities settlement cycle to be within the second day following the trading day (T+2) for all types of investors. Furthermore, both parties agreed to review rules or