Discussion & Analysis Q2/2021 Operating Highlights in Q2/2021 Q2/20 Q2/21 Change +/(-) 1H/20 1H/21 Change +/(-) (THB million) %YoY %YoY Operating Revenue 144 137 (5%) 363 317 (13%) Gross Profit 79 77 (3%) 216

- Despite the impact of COVID-19 pandemic, OSP managed to deliver Q1’20 Net profit* at THB 926 million (+4.2% YoY, +12.5% QoQ), with Q1’20 net profit* margin of 13.8% (-20 bps YoY, +140 bps QoQ), from the

151 66 -50% -56% 529 692 31% Natural Resource Business Group 5/ 16 (81) 94 470% 216% 286 117 -59% Others 6/ (24) (61) (92) (137) (282) Profit attributable to owners of the Company 1,471 1,856 (1,546

% Revenue from service incomes 0.49 0.42% 0.51 0.44% 0.02 3.86% Revenue from rental incomes 0.70 0.60% 0.63 0.54% (0.07) -10.66% Total revenues 116.70 100.00% 115.48 100.00% (1.22) -1.05% Gross Profit

that, according to the Financial Statements for the 3 months Q3/2017 period, as ended on September 30, 2017, the Company and Subsidiary Companies achieved Total Net Profit of Baht 368.5 million, an

DCON PRODUCTS PUBLIC Co.,Ltd. and Subsidiaries Company Management’s Discussion and Analysis (MD&A) For the Year 2019 1. Revenue,Gross Profit & Net Profit Unit :M.Bht Year 2019 Year 2018 Year 2017 1

profit margin was slightly brought down by 0.9% of gross profit margin due to turnaround costs and the rise of main raw material prices from tight supply plus greater crude oil prices. 2. In Q2 2018

DCON PRODUCTS PUBLIC Co.,Ltd. and Subsidiaries Company Management’s Discussion and Analysis (MD&A) For the Year 2017 1. Revenue,Gross Profit & Net Profit Unit :M.Bht Year 2017 Year 2016 Year 2015 1

DCON PRODUCTS PUBLIC Co.,Ltd. and Subsidiaries Company Management’s Discussion and Analysis (MD&A) For the Year 2018 1. Revenue,Gross Profit & Net Profit Unit :M.Bht Year 2018 Year 2017 Year 2016 1

incomes 2.87 0.65% 2.90 0.74% 0.03 0.89% Revenue from rental incomes 2.44 0.55% 2.63 0.67% 0.19 7.26% Total revenues 444.32 100.00% 393.34 100.00% (50.98) -12.96% Gross Profit / Margin 121.70 27.39% 99.52