sales and service Cost of sales and service for the period ended 31 March 2020 and 2019 are presented below: Q1-2020 Q1-2019 THB Mn THB Mn THB Mn % Fuel materials cost 210.0 215.9 (5.9) (2.7) Depreciation

decrease in unit rate which is adjusted in line with the decrease in average natural gas price, thus sales also decrease in line with the fuel material cost of natural gas. Sales and service income (included

2565 2566 2567 Opened Van Gogh Café by After You During March 2023, the Company opened the "Van Gogh Café by After You" at Van Gogh Alive Bangkok, an exhibition showcasing the work of Van Gogh artist

cream booth at various locations, such as the Van Gogh Alive Bangkok exhibition, the Sretsis Parlour booth, Silom Complex, and Seacon Square, after receiving a positive response from the Thaifex

revenue: average prices have resumed an upward trend having fluctuated somewhat over the quarter due to product mix impact. This upward trend is set to continue as input prices such as fuel rise. Saraburi

costs as our fuel expenses have increased in recent months in line with the general trends on the solid fuel market. The operational efficiency improvement projects will along with fixed cost discipline

31 March 2023 and 2022 are presented below: Q1-2022 Q1-2023 Cost of sales and service THB Mn THB Mn THB Mn % Fuel materials cost 808.1 905.5 97.4 12.1% Depreciation and amortisation cost 165.8 173.4

also decrease in line with the fuel material cost of natural gas. In addition, sales of biomass power plants which decreased by Baht 68.5 million as the biomass power plants had shutdown hours to improve

vs. total revenue has increased significantly. The main factors behind this unwelcome trend was a jump in fuel (petroleum coke) prices, and increased manufacturing cost of machinery equipment. However

318.17 million or up by 7.91% over the same period last year. Despite the higher cost of transportation due to increasing fuel prices, gross profit margin as a percentage of sales has increased from 26.05