31.0% EBIT -37 -23 -14 -60.9% 312 52 260 500.8% Net profit (loss) -60 -55 -5 -9.9% 170 -23 193 840.6% EPS (THB) -0.072 -0.065 -0.006 -9.9% 0.202 -0.027 0.229 840.6% Change Change Dusit Thani PLC

Summary of operations and the factors that make a significant change Summary of Operations for the Year 2023 Operation Overview Annual Balance Change 2023 2022 2023 VS 2022 Million baht (MB) (MB) % Total

Management Discussion and Analysis 1. Significant events in the third Quarter of 2019 1.1 The progress in construction projects 1.1.1 Project completion - SBPL Project, a project of San Buenaventura Power Ltd

SUMMARY EXECUTIVE SUMMARY 2 2017 2018 % change Q3’2018 Q4’2018 % change million Baht million Baht y-on-y million Baht million Baht q-on-q Sales and service income 31,482 36,585 16.2% 9,691 9,933 2.5% EBITDA

EXECUTIVE SUMMARY 2 Q1’2017 Q1’2018 % change Q4’2017 Q1’2018 % change million Baht million Baht y-on-y million Baht million Baht q-on-q Sales and service income 7,651 8,156 6.6% 7,762 8,156 5.1% EBITDA 2,133

63.1% of NNP. ABBREVIATION & OUR PROJECTSFINANCIAL PERFORMANCE FINANCIAL POSITION PROGRESS OF PROJECTS UNDER CONSTRUCTION EXECUTIVE SUMMARY EXECUTIVE SUMMARY 2 6M’2017 6M’2018 % change Q1’2018 Q2’2018

and its Subsidiaries Million Baht Item Quarter Change (%) 9 Months Change 3/2017 2/2017 3/2016 2/2017 3/2016 2017 2016 (%) Net profit * 8.161 8,047 8,061 1.4% 1.2% 24,513 23,547 4.1% Earnings per share

2017 compared to Q4 2016: Q4 2017 Q4 2016 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and service income 209.13 181.21 27.92 15% Gain from exchange rate 0.44 0.57 -0.13 -23% Other income

income – Cost of sales and services (does not include other income) Q3 2019 Q3 2018 YoY change YoY % change Unit: Million Thai Baht (THB) Sales and service income 219.09 301.56 -82.47 -27% Other income

due to THB 531 million positive change in foreign exchange gain (loss) and higher operating profits. Past Performance Analysis Revenue Analysis Group Sales increased 5% in 2017 at THB 21,551 million