Development Plc. would like to inform its financial results for the year 2019 which ended on 31 December 2019. The Company and its subsidiaries reported a net profit of THB 177.45 million or earnings per share

(EBIT) 1.89 21.68 -91.27 5.34 -64.60 24.91 76.10 -67.27 Financial costs 0.04 0.03 41.94 0.04 7.32 0.13 0.10 29.00 Income tax expenses 0.05 4.26 -98.75 1.24 -95.72 3.15 15.04 -79.07 Net profit 1.80 17.39

interest and taxes (EBIT) 32.79 107.16 (74.37) (69.40) Financial costs 0.72 0.13 0.59 453.85 Income tax expenses 2.86 20.81 (17.95) (86.26) Net profit 29.21 86.21 (57.00) (66.12) Earnings before interest

profit margin of 35.7% and the earnings per share of Bt0.55. Page 2 of 6 Table summarized the operating results of the Group (unit : Bt million) 1.1 Revenue In Q1/2019, total revenues of the Group were

2018 was of Bt1,535.9 million, increasing by Bt85.5 million, or 5.9%(y-o-y). Representing operating profit margin before finances expense and income taxes (EBIT margin) at 40.3% and the EBITDA was

and taxes (EBIT) in 2018 was of Bt1,535.9 million, increasing by Bt85.5 million, or 5.9%(y-o-y). Representing operating profit margin before finances expense and income taxes (EBIT margin) at 40. 3% and

profit margin of 24.5%, a decrease compared to last year at 29.2% and representing earnings per share of Bt1.47. Table summarized the operating results of the Group (unit : Bt million) Page 3 of 6 1.1

(EBIT) 2.96 1.89 56.40 7.28 -59.36 7.54 24.91 -69.72 Financial costs 1.27 0.04 2,790.91 1.17 8.44 3.53 0.13 2,636.43 Income tax expenses (0.80) 0.05 -1,609.43 0.13 -734.92 (2.70) 3.15 -185.78 Net profit

Profit (Loss) + (-)Company's Performance For Year End Revenue from transmission and telecommunication For Year End Total comprehensive income (loss) attributable to owners of the parent Operating Profit

of steel Relationship with the Company Business Partners Debt amount * 252.08 million Baht Debt to Sales ratio** 7.33% Provision for allowance for doubtful accounts 100% of outstanding balance due to