436.95 48.83 11.18% - LPG Trading 178.97 199.10 (20.13) (10.11%) 1 - Transportation 3.29 3.15 0.14 4.44% - Conversion Kit Installation 1.74 1.85 (0.11) (5.95%) - Construction 287.89 219.73 68.16 31.02% 2

increased transportation expenses due to increased sales when compared to the same quarter of 2018. 3.6 Administrative expenses for the second quarter of 2019, has increased when compared to the same quarter

121.03 million In 2019, Advance Prefab Co., Ltd., which is in concrete product manufacturing business, has increased transportation expenses due to increased sales when compared to 2018. 3.6 Administrative

% 4.6% -1.4% 3.9% 6.0% -2.1% Stock Gain/(Loss) & NRV -149 -425 -65% -233 -36% -382 -458 -17% Adjusted EBITDA(1) 286 653 -56% 444 -36% 730 998 -27% Adjusted EBITDA Margin (%) 6.8% 13.5% -6.7% 9.6% -2.8

S Holding Co., Ltd. (“All S”), which aim to invest in automobile assembly business, public transportation services, supported technology and related application to public transportation business. In

4,020.85 91.07 3,825.51 91.42 195.34 5.11 Revenues from Services 380.50 8.62 345.62 8.26 34.88 10.09 Total Revenue from Sales and Services 4,401.35 99.69 4,171.13 99.68 230.22 5.52 Gain on Sales of Fixed

) Gain on Sales of Fixed Assets - - 0.26 0.02 (0.26) (100.00) Gain on Foreign Exchange Rate – Net - - 0.41 0.04 (0.41) (100.00) Other Revenue 2.30 0.21 1.47 0.13 0.83 56.46 Total Other Revenue 2.30 0.21

Total Revenue from Sales and Services 940.57 99.57 966.99 99.47 (26.42) (2.73) Gain on Sales of Fixed Assets - - 1.00 0.10 (1.00) (100.00) Gain on Foreign Exchange Rate – Net 1.41 0.15 0.80 0.08 0.61

. 1Q2017 vs. 4Q2017 UNIT: million baht 1Q2018 1Q2017 % yoy 4Q2017 % qoq Sales Revenue 4,631 4,246 9% 5,219 -11% EBITDA 211 312 -32% 387 -45% EBITDA Margin (%) 4.6% 7.3% -2.7% 7.4% -2.8% Stock Gain/(Loss

% QoQ benefited from a better operating performance, fully depreciated 3G assets, and one-time gain recognized in this quarter. 3Q23 MD&A Advanced Info Service Plc. 2 3Q23 Operational Summary 3Q23