%YoY THB Mn THB Mn %YoY Fuel materials cost 543.0 530.9 515.9 (2.8%) (5.0%) 1,658.4 1,563.8 (5.7%) Depreciation and amortisation cost 122.5 123.2 130.0 5.5% 6.1% 367.0 378.0 3.0% Staff cost and other

%YoY Fuel materials cost 583.3 808.1 811.4 0.4% 39.1% 1,119.8 1,619.5 44.6% Depreciation and amortisation cost 155.4 165.8 169.1 2.0% 8.8% 307.9 334.9 8.8% Staff cost, repair and maintenance cost and

Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel materials cost 643.3 811.4 987.0 21.6% 53.4% 1,763.1 2,606.5 47.8% Depreciation and amortisation cost 154.0 169.1 169.3 0.1% 9.9% 461.9 504.2 9.2

of sales and service THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Fuel materials cost 808.1 811.4 987.0 1,001.8 14.8 1.5% 2,485.6 3,608.3 1,122.7 45.2% Depreciation and amortisation cost

Q2-2020 Q3-2020 Q4-2020 2019 2020 THB Mn THB Mn THB Mn THB Mn THB Mn % THB Mn THB Mn THB Mn % Fuel materials cost 516.9 530.9 515.9 493.9 (22.0) (4.3%) 2,192.6 2,057.6 (135.0) (6.2%) Depreciation and

. 2. Assumption in terms of cost (1) Cost assumption of online media and the Internet business Variable Cost Cost 2020F 2021F 2022F 2023F 2024F Commission Fee for Content Team 6.21 percent of revenue

discount campaign for the Hi-Premium diesel. The latter was to support the government sector’s promotion of environmentally-friendly fuel to dissipate the pollution situation, and at the same time, support

installed in the past year. However, the main variable costs including raw materials and consumables used decreased from the previous year as the production slowed down. The only selling and administrative

period ending 31 March 2018 could be divided in to two key components as follows: 1. Variable cost component which shall be varied in accordance with the volume sold consist of (1) raw materials and

sold of the Group for the 3-month period ending 30 June 2018 could be divided in to two key components as follows: 1. Variable cost component which shall be varied in accordance with the volume sold