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

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

Yield (2) Baht per Passenger - Kilometer 4.30 4.49 Revenue ASK (RASK) Baht per Available Seat - Kilometer 3.33 3.45 Cost per ASK (CASK) 3.58 3.49 Cost per ASK excluding fuel cost 2.86 2.75 RASK – CASK

costs were largely in line with expectations as was fuel which will reduce significantly for the rest of the year as a result of lower costs secured on the market. Gross profit +5% was ahead of the same

economy dramatically declined in 2017. Trang’s economy depends heavily on agriculture sector. Prices of both the rubber and oil palm suffer in year 2017, and also the harvested volume was declined