ended 31, 2019 as follows: Unit : Million Baht 2019 2018 Increase (Decrease) Amount % Amount % Amount % Revenues from dental service 506.33 93.63 456.03 96.61 50.29 11.03 Other main revenues 34.42 6.37

Other main revenues Unit : Million Baht March 31, 2019 March 31, 2018 Increase (Decrease) Amount % Revenues from sales 1.97 1.48 0.50 33.48 Revenues from tour guide 3.19 2.12 1.07 50.53 Total 5.17 3.60

Performance for the 3 months period ended March 31, 2020 as follows: Unit : Million Baht March 31, 2020 March 31, 2019 Increase (Decrease) Amount % Amount % Amount % Revenues from dental service 112.83 96.38

increased by Baht 6.67 million or equivalent to 75.08%) and from other revenues : interest income, gain on sales of assets, rental and relative service income, training income and tour guide income increased

0.83 42.76 4.76 3.43 1.33 38.76 Revenues from tour guide 5.41 2.29 3.13 136.71 8.60 4.41 4.20 95.24 Total 8.20 4.24 3.96 93.45 13.36 7.84 5.53 70.51 For the 3 months and 6 months period (quarter 2/2019

Change between YoY Q3/19 Q3/18 Amoun % Sep. 30, 2019 Sep. 30, 2018 Amoun % Revenues from sales 2.77 1.89 0.88 46.80 7.53 5.32 2.21 41.61 Revenues from tour guide 6.19 1.03 5.16 501.68 14.80 5.44 9.36

million compare with performance for the prior year appear as comprehensive operating net Profit of the Company THB 122.62 million, decrease in Profit from the prior year THB 118.61 million, due to the

sales of assets, rental and relative service income, training income and tour guide income increased by Baht 4.47 million or equivalent to 107.45 %. Cost of services For the 3 months period (quarter 2

: 1. Sales Revenue 1.1 Sales revenue for the 3-months period ended 31 October 2019 For the 3-months period ended 31 October 2019, INGRS registered sales revenue of Baht 695.34 million, a decrease by

performance of the Group Unit: Million Baht 2019 2018 Increase (decrease) Variance (%) Total revenues 6,797 8,080 (1,283) (16%) Net profit 331 526 (195) (37%) The Group’s total revenues for 2019 amounted Baht