604,699 -11% 473,402 14% 853,833 -37% Profit (loss) before loss on impairment of investment in subsidiary, interest and income tax 15,488 (39,320) 139% (4,437) 449% 233,778 -93% Margin 3% -7% -1% 27% Profit

of the parent 114.60 130.21 (15.61) (11.99) Gross Profit Margin (%) 26.58 27.86 Net Profit Margin (%) 11.04 12.65 Remark: 1) Net profit margin is calculated from the net profit attributable to equity

11.93 29.77 (17.84) (59.93) Gross Profit Margin (%) 25.43 26.46 Net Profit Margin (%) 5.27 11.72 Remark: 1) Net profit margin is calculated from the net profit attributable to equity holders of the parent

50.28 25.89% Gross profit margin 15.47% 13.76% Other income 5.33 4.73 Selling expenses 3.36 9.99 (6.63) -66.39% Administrative expenses 111.43 108.51 2.92 2.69% Earnings before interest and tax 135.08

taxation 233,778 (45,408) 615% 11,621 61,038 -81% Margin 27% -7% 4% 13% Profit / (Loss) for the period 191,233 (113,896) 268% (12,024) 31,706 -138% Margin 22% -17% -4% 7% Portion of the Companies

November 20, 2018 Subject: Clarification of decrease in share price Attention: President Stock Exchange of Thailand Reference is made to inquiries of the Stock Exchange of Thailand concerning the movement of

EBITDA Margin (%) 10% 13% (3)ppt. 8% 10% 11% (4)ppt. Integrated PET 10% 11% (1)ppt. 7% 10% 9% (2)ppt. Fibers 7% 8% (1)ppt. 6% 6% 9% (3)ppt. Packaging 21% 19% 2ppt. 24% 22% 17% 8ppt. Integrated Oxides and

amount of net cash flows used in operating activities was 90.3 million baht. The major movement was due to a decreasing amount of unearned income. Cash flows from investing activities As of 31 March 2020

challenges associated with COVID-19, OSP delivered Q2’20 Net profit* at THB 804 million, +13.2% YoY with net profit* margin of 13.6%, +230 bps YoY. 1H’20 Net profit* was at THB 1,730 million, +8.2% YoY, with

% of net profit margin comparing with Q2 2016. Apart from the additional costs of SBT’s impairment, the increment of gross and net profit was mostly caused by the improvement of products’ spread margin