of the period was Bt20,498mn. 4 1Q19 MD&A Advanced Info Service Plc. Income statement (Bt mn) Pre-TFRS 15 Post-TFRS 15 1Q19 Deviation from Pre-TFRS 15 1Q18 4Q18 1Q19 %YoY %QoQ Mobile revenue1) 31,208
OPERATION (Unit : Million Baht) Consolidated Financial Statements 2019 2018 % Change Total Revenue 1,857.2 1,708.3 8.7% - Utilities Business 1,847.1 1,705.1 8.3% - Operating Revenue1 1,734.3 1,679.7 3.3
% - Operating Revenue1 447.2 423.9 5.5% 1,299.6 1,264.9 2.7% - Other Revenue from Utilities Business2 2.6 18.5 -85.9% 81.9 22.1 271.2% - Power Business 3.0 1.1 165.4% 5.9 1.9 211.1% Costs of Sales and Services
) Consolidated Financial Statements 2Q'19 2Q'18 % Change YTD 2019 YTD 2018 % Change Total Revenue 475.1 423.5 12.2% 934.5 845.4 10.5% - Utilities Business 473.6 422.7 12.1% 931.6 844.7 10.3% - Operating Revenue1
integration of acquired businesses, the start of earning recovery in our high-volume Necessities business and our stable but higher-margin HVA business. We delivered record earnings and cash flows and expect
in Asia. Overall Sales have increased despite lockdown in various countries with COVID19 reinforcing essentials nature of our business. Lower oil prices have led to an improvement in earnings of our
acquisition of Spindletop and startup of Lake Charles cracker did not provide us the typical earnings which we had built in our business case. Our strong balance sheet and the strategic fit of these gas based
Services 405.7 405.5 (0.2) (0.0) - Operating Revenue1 358.1 383.6 25.5 7.1 - Other Income from Utilities Business2 47.6 21.9 (25.7) (53.9) Costs of Sales and Services (242.3) (272.2) (29.8) 12.3 Gross Profit
Revenue1 370.6 404.2 33.7 9.1 - Other Income from Utilities Business2 0.6 2.2 1.3 200.4 Costs of Sales and Services (262.1) (276.4) (14.2) 5.4 Gross Profit 109.1 129.8 20.7 19.0 Gross Profit from Operation3