) Gross profit 439.4 427.9 11.5 2.7 Net gain on exchange rate 55.1 112.2 (57.1) (50.9) Gain on forward contracts 11.2 49.5 (38.3) (77.4) Other income 2.0 173.0 (171.0) (98.8) Profit before expenses 507.7

payment of or pay for the underlying asset delivered or taken at the exercise price specified under the contract. If options expire worthless, the seller’s gain equals the amount of premium. Due to the fact

, gain from exchange rate, interest income and gain from sale of Fixed assets 1. Sales and service income for the three-month period ended 31 March 2018 amounting to THB 129.27 million increased from the

) 729.9% Gross profit 426.3 446.0 463.1 3.8% 8.6% 1,200.9 1,337.0 11.3% Net gain (loss) on exchange rate (7.3) (58.6) 37.6 N.A.(>100) N.A.(>100) (83.2) 91.2 N.A.(>100) Gain from business acquisition - - 2.2

165.4 10.2% Net gain (loss) on exchange rate 112.2 (58.6) 37.6 (72.4) (110.0) N.A.(100) Gain (loss) on forward contracts 49.5 (50.8) 8.4 (19.2) (27.6) N.A.(

million. Due to total revenues decreased of Baht 554.20 million mainly from brokerage fees decreased of Baht 282.56 million, Gain and return on financial instruments decreased of Baht 326.45 million and

Transmission Tower Installation and Cable Network System in accordance with contract terms were high. Maintenance and Service Business For the year ending 31 December 2018 and 2019, the Company’s revenues from

% (68.5) (529.4) 672.8% Gross profit 420.1 427.9 446.0 4.2% 6.2% 774.6 873.9 12.8% Net gain (loss) on exchange rate (47.6) 112.2 (58.6) N.A. (100) Other income 11.0 173.0

profit 463.1 465.6 496.5 6.6% 7.2% 1,337.0 1,401.5 4.8% Net gain on exchange rate 37.6 30.9 83.6 170.6% 122.3% 91.2 169.6 86.0% Gain on forward contracts 8.4 4.5 6.0 33.3% (28.6%) 7.1 21.7 205.6% Gain from

905.0 3.6% Net gain (loss) on exchange rate (58.6) 55.1 30.9 (43.9%) N.A. (>100) 53.6 86.0 60.4% Gain (loss) on forward contracts (50.8) 11.2 4.5 (59.8%) N.A. (>100) (1.3) 15.7 N.A. (>100) Other income