core service revenue for 2021, a growth of 1.1% YoY. EBITDA increased by 2.2% to Bt91,408mn. With ongoing network investment and unrealized foreign exchange loss, reported net profit was Bt26,922mn

continued 5G network expansions. We ensured carrying out continuous cost optimization in all areas to soften this impact. Following the declined EBITDA, AIS reported a net profit of Bt26,011mn, decreasing

)% Fibers 51 59 52 (3)% 200 212 (6)% Feedstock 154 114 87 76% 476 217 120% Core EBIT 198 155 135 46% 613 410 49% Core Net Profit after Tax and NCI (US$ M) 137 110 82 68% 416 242 72% Core Net Profit after Tax

(6)% Fibers 59 46 55 8% 201 208 (3)% Feedstock 114 117 78 47% 410 177 132% Core EBIT 155 139 136 14% 551 374 47% Core Net Profit after Tax and NCI (US$ M) 110 95 84 31% 360 206 75% Core Net Profit

% 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

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