of the plant and machineries from an independent engineering expert. The effect of such change in the estimated useful lives of assets to the depreciation charge during the quarter is as below; Unit
results for the nine-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech
three-month period ended Q1-2020 Q1-2019 Change 2020 2019 THB Mn % Sales of electricity - FiT 623.1 580.4 42.7 7.4 FiT Premium 43.7 42.6 1.1 2.6 Sales of electricity to Industrial Users (IU) 4.7 2.4 2.3
% 2.2% 29.9% 27.2% (2.7%) Net profit margin1 (%) 17.7% 8.1% (9.6%) 19.7% 7.1% (12.6%) Number of branches as at Dec 312 38 39 3% 38 39 3% 2019 2020 Change +/(-) Change +/(-) Q4/19 Q4/20 Operating highlight
Discussion & Analysis Q2/2021 Operating Highlights in Q2/2021 Q2/20 Q2/21 Change +/(-) 1H/20 1H/21 Change +/(-) (THB million) %YoY %YoY Operating Revenue 144 137 (5%) 363 317 (13%) Gross Profit 79 77 (3%) 216
Discussion & Analysis Q3/2021 Operating Highlights in Q3/2021 Q3/20 Q3/21 Change +/(-) 9M/20 9M/21 Change +/(-) (THB million) %YoY %YoY Operating Revenue 198 115 (42%) 561 431 (23%) Gross Profit 124 60 (52
Discussion & Analysis Q4/2021 Operating Highlights in Q4/2021 Q4/20 Q4/21 Change +/(-) 2020 2021 Change +/(-) (THB million) %YoY %YoY Operating Revenue 207 188 (9%) 768 620 (19%) Gross Profit 127 112 (12%) 468
Discussion & Analysis Q2/2022 Operating Highlights in Q4/2021 Q2/21 Q2/22 Change +/(-) 1H/21 1H/22 Change +/(-) (THB million) %YoY %YoY Operating Revenue 137 230 68% 317 428 35% Gross Profit 77 147 91% 183 267
Discussion & Analysis Q3/2022 Operating Highlights in Q3/2022 Q3/21 Q3/22 Change +/(-) 9M/21 9M/22 Change +/(-) (THB million) %YoY %YoY Operating Revenue 115 246 114% 431 674 56% Gross Profit 60 159 165% 242
Discussion & Analysis Q4/2022 Operating Highlights in Q4/2022 Q4/21 Q4/22 Change +/(-) 2021 2022 Change +/(-) (THB million) %YoY %YoY Operating Revenue 188 264 40% 620 938 51% Gross Profit 112 166 48% 355 592