service Cost of sales and service for the period ended 30 June 2020 and 2019 are presented below: Q2-2019 Q1-2020 Q2-2020 6M-2019 6M-2020 Change THB Mn THB Mn THB Mn %QoQ %YoY THB Mn THB Mn %YoY Fuel

ASK (RASK) Baht per Available Seat - Kilometer 18.13 3.09 3.75 3.51 Cost per ASK (CASK) 65.78 3.65 4.73 3.59 Cost per ASK excluding fuel cost 65.17 2.89 3.99 2.84 RASK – CASK (47.65) (0.55) (0.98) (0.08

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

in Indonesia, resulting in 2017’s PPA capacity increasing to 332 MW from 145 MW in 2016. Bio-based Product Business recorded better performance. Ethanol Fuel Business’s performance improved from the

the provision for retirement benefits and past service cost in accordance to the Labor Protection Act, which was amended on the 5th April 2019, to include a requirement that an employee who is

reduced Market GRM, following the decline in refinery production volume due to the TAM, as well as a decrease in average Gasoline/Dubai crack spread and Fuel oil/Dubai crack spread, and the rise in crude

on finance cost; and • A 8.0% decrease year-on-year in interest expense from ABPIF from Baht 594 million in 2016 to Baht 546 million in 2017 based on the benefits transferred from the business

Fuel materials cost 530.9 536.5 583.3 8.7% 9.9% 1,047.8 1,119.8 6.9% Depreciation and amortisation cost 123.2 152.5 155.4 1.9% 26.1% 248.1 307.9 24.1% Staff cost and other benefits 39.0 36.7 37.2 1.4

expenses such as employees’ salaries, over time, fuel and depreciation. In addition, the Company’s subsidiaries’ expenses of employees were Baht 5.09 million but its subsidiaries has not yet started its

presented below: Q1-2021 Q1-2020 THB Mn THB Mn THB Mn % Fuel materials cost 536.5 516.9 19.6 3.8 Depreciation and amortisation cost 152.5 124.9 27.6 22.1 Staff cost and other benefits 36.7 37.2 (0.5) (1.3