Advertising 0 87 47 -46.2% n/a System Integration 428 343 368 7.3% -14.2% Total Revenue 690 612 512 -16.4% -25.9% % Contribution to total revenue 1Q 2019/20 (Restated) 4Q 2019/20 1Q 2020/21 Advertising 37.9
63.8% -57.6% International Advertising 157 47 57 20.8% -63.8% System Integration 333 368 328 -10.8% -1.5% Total Revenue 748 512 507 -0.9% -32.2% % Contribution to total revenue 2Q 2019/20 Restated 1Q
volume. Cost of sales and services increased in accordance with higher sales. Gross profit margin improved from 7.83% in 2020 to 10.81% in 2021 due to higher sale and higher sale contribution of automotive
companies based on the equity method in 2018 was THB 71.13 million, decreased by THB 200.89 million, or 73.85% down from 2017 mainly from GFN’s loss contribution was THB 70.98 million, decreased by THB 171.05
THB 255.90 million, increased by THB 184.77 million, or 259.78% up from 2018 mainly from McKey’s profit contribution was THB 253.39 million, rose by THB 111.29 million or 78.31% up from 2018 due to
equity method in 2017 was THB 272.02 million, decreased by THB 99.17 million, or 26.72% down from 2016 mainly from McKey’s profit contribution; which was THB 171.95 million, dropped by THB 63.81 million or
and 6.9% QoQ, making the revenue contribution grew to 4.2% of AIS core service revenue. Robust core service revenue growth (Pre-TFRS 15) with guidance maintained Core service revenue (pre-TFRS) in 3Q19
have remained relatively more stable as reflected in the EO contribution to EBITDA. EG, which is cyclical and represents the remainder of our production volume, has been challenged. The EBITDA decline in
segments grew y-on-y in Q1’2020 namely packaging (+15.1%), electronics sector (+13.2% with contribution from new client), home appliance products (+8.0%) and tire (+3.2%) while volume from some segments