of natural gas power plant for the year 2022 slightly increase when comparing to the year 2021 and according to the formula of gross profit margin which calculated by taking gross margin divided by

Expenses to Total Revenue in Q4/2022 was 30.5%, increased slightly from 29.5% in Q4/2021 due to the increase in selling and distribution expenses at a higher proportion than the increase in total revenue

growth. However, China operations decreased slightly by 4.8% due to the rapid spread of Covid-19 after the relaxation of China’s zero Covid policy during December which resulted in a decrease in automobile

%, compared to 4.1% in 4Q22. • Depreciation & amortization was Bt12,789mn, declining -1.4% YoY due to fully depreciated 3G network equipment, however, it slightly increased 0.5% QoQ. from our continued

, increased by 36% from Q3/2022 and 29% from 9M/2022, corresponding to the increase in gross profit. • EBITDA margin in Q3/2023 was 32.6%, slightly decreased by 0.2% from Q3/2022, and in 9M/2023 was 31.6

slightly reduced down to 0.99% from the previous quarter. However, substance macroeconomic challenge is remained as the level of household debt (seasonal adjusted) continued to increase from 90.7% in the 1Q

cafés as well as the Company's ability to manage costs effectively. EBITDA margin in 2023 was 31.8%, slightly decrease from 2022. E B I T D A a n d E B I T D A M A R G I N : Q 4 / 2 0 2 3 K e y F i n a n

ADVANC-MDA-1Q24-EN 1Q24 MD&A Advanced Info Service Plc. 1 Executive Summary Revenue base expansion from core business growth and acquisition of TTTBB 1Q24, Thai consumer confidence slightly improved

%, slightly improved from 30.5% in Q2/2023 due to the increase in sales revenue at a higher proportion than selling expenses, as well as the ability of the Company to control expenses effectively. 1H/2024 vs 1H

. Our Thailand operation decreased slightly more than the industry volume due to higher proportion of pick-up truck business which experienced a higher decline than passenger cars. Portugal and China