10 November 2017 Subject: Management Discussion & Analysis for 3th quarter ending 30 September 2017 (Rev1) To: The President The Stock Exchange of Thailand Harn Engineering Solutions Public Company

comprehensive income - - - N/A Total comprehensive income for the period 1.93 6.45 4.52 234.22% Gross profit margin 21.26% 28.40% Net profit margin 2.98% 8.16% Performance (Statement of comprehensive income

THB 40.7 million or 24.9% and gross profit margin to total revenues was at 15.0%. The Group reported total net profit for the year 2017 at THB 50.4 million, decreased by THB 32.9 million or 39.5% when

) (0.2%) (0.63) (0.1%) 0.17 (21.3%) EBT 108.85 22.6% 139.69 26.7% 30.84 28.3% Tax (11.41) (2.4%) (17.78) (3.4%) (6.37) 55.8% Net profit after Tax 97.45 20.2% 121.91 23.3% 24.46 25.1% Revenue from service

comprehensive income - - - N/A - - - N/A Total comprehensive income for the period (0.83) 8.15 8.98 -1078.65% 1.10 14.59 13.50 1231.12% Gross profit margin 20.26% 28.91% 20.77% 28.65% Net profit margin -1.34

contract work 18.3 0.0 1.2 0.0% (93.6%) 54.8 2.4 (95.7%) 1.1 Turnkey Total Solutions 18.3 0.0 1.2 0.0% (93.6%) 54.8 2.4 (95.7%) 2. Revenue from services 221.1 204.1 178.9 (12.3%) (19.1%) 632.9 622.7 (1.6

company in the market to seize the opportunity to transform itself to become a provider of Offline-to-Online (“O2O”) Solutions. Now it is the leading company offering all-rounded advertising services that

THB 13.4 million or 10.9% and gross profit margin to total revenues was at 15.4%. The Group reported total net profit for the year 2018 at THB 20.6 million, decreased by THB 29.8 million or 59.1% when

or 11.7%. The gross profit for the year 2019 was decreased by THB 25.1 million or 23.0% and gross profit margin to revenues was at 11.1%. The Group reported total net profit for the year 2019 at THB

1,500 10.9 658 4.7 (72.7) (37.8) Net profit 618 5.0 1,680 12.3 868 6.2 (63.2) (28.8) EPS (Baht) 0.50 1.35 0.70 Sales revenues and service income of this quarter amounting to Baht 12,404 million, 9.6% drop