has significant changes Balance by Quarter Change Q3–20 Q4–19 Q3–20 VS Q4–19 (MB) (MB) % Trade and other receivables 3,067.2 2,268.6 798.6 35.2 Contract assets - unbilled receivables 1,611.6 1,705.0

49.34 17.69% Finance cost 49.11 68.10 18.99 38.67% Income tax expenses 48.04 57.52 9.48 19.73% Net profit 181.71 202.58 20.87 11.49% Net profit ratio (ROS) 17.16% 15.74% Earnings per share (Baht) 0.34

67.37 94.72 27.35 40.60% Income tax expenses 59.19 65.40 6.21 10.49% Net profit 227.68 252.81 25.13 11.04% Net profit ratio (ROS) 16.00% 14.78% Earnings per share (Baht) 0.37 0.42 0.05 13.51% Total

assets Cash and cash equivalents 16.45 35.22 (18.77) 53.27 Short-term investment 94.00 - 94.00 n.a. Trade and other receivables 116.68 208.40 (91.72) (44.01) Unbilled receivables 402.97 273.72 129.25 47.22

consisted of; 1. Trade and other receivable decreased Baht 73.35 million. 2. Inventories decreased Baht 950.10 million, mostly from goods in transit as of December 31, 2018 which was imported according to

69.76% Total Liabilities 2,728.63 1,850.87 877.75 47.42% Issued and paid-up share capital 333.80 333.80 - - Premium on ordinary shares 587.17 587.17 - - Retained earnings – Appropriated 40.00 36.29 3.71

%) Current Liabilities 757.73 1,625.53 (867.80) (53.39%) Non-current Liabilities 1,042.99 1,103.10 (60.11) (5.45%) Total Liabilities 1,800.72 2,728.63 (927.91) (34.01%) Issued and paid-up share capital 333.80

which increased from December 31, 2019 by 40.4 MB as a result of the increase in cash and cash equivalents by 12.9 MB, the increase of trade and other receivables by 0.3 MB, increase in inventory by 17.9

740.3 MB which increased from December 31, 2019 by 9.9 MB as a result of the increase in cash and cash equivalents by 3.5 MB, the decrease of trade and other receivables by 8.7 MB, increase in inventory

Financial expenses 1.76 0.30% 1.60 0.33% 0.16 9.98 Share of losses from associates 0.17 0.03% 0 0% 0.17 100 Income tax 8.12 1.37% 6.92 1.42% 1.21 17.44 Net profit 21.14 3.58% 37.03 7.61% (15.89) (42.92