mainly were Unrealized Foreign Exchange Gain which was an accounting item that has no effect on cash flow. 2 Profit attributable to Owners of the Parent In 2018, Profit attributable to Owners of the Parent

agreement 99.2 102.3 3.1 3.1% Cost of sales and services (874.7) (1,149.4) 274.7 31.4% Gross profit 439.4 471.6 32.2 7.3% Net gain (loss) on exchange rate 55.1 (4.6) (59.7) N.A.(

Gain on investments 29.38 - 37.99 - Gain on exchange rate - - 36.75 - Other income 8.17 7.29 13.95 16.93 EXPENSES (145.79) (136.22) (231.42) (239.51) Cost of sales electricity (39.30) (39.29) (78.06

) through another person’s securities trading account. The buying was based on material non-public information concerning ESTAR’s net profit at the end of year 2013. The net profit was Baht 148.04 million

6.1% 279.4 7.2% Gross Profit 68.0 56.6 20.1% 63.3 7.4% Profit (Loss) from the operation 3.3 (26.0) 112.7% (26.4) 112.5% Gain (Loss) from temporary investment (6.3) (21.7) 71.0% 1.5 (520%) Profit (Loss

) 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

(6.8) (24.7) (138.0) Non-Controlling Interests (0.0) (0.0) 0.0 (2.2) Profit attributable to Owners of the Parent 272.5 716.2 443.7 162.8 Foreign Exchange Gain (Loss) 240.0 250.6 10.7 4.4 Normalized

(Translation) (Translation) IR 024/18 November 14, 2018 President and Director The Stock Exchange of Thailand Subject : To explain the reasons on the company’s net profit (net loss) more than 20

car parking services and utility fees. The Company also had a foreign exchange gain of THB 3.0 million during the 6 month period. Gross profit margin from both sales of goods and rental and rendering of

Page 1 of 2 T.K.S. TECHNOLOGIES THB million 9M18 9M17 %Chg As Reported Total Revenues 1,505 1,031 46% Company 963 1,031 (7%) TBSP 542 - 100% Company reported %Gross Profit Margin of 21% in 3Q18