first quarter of year 2018 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 168.2 million, decreased by THB 72.8 million or 30.2

the prior year are as follows; For the year 2018 the Group reported total revenues at THB 718.3 million, decreased by THB 108.4 million or 13.1% when compared to the prior year. It mainly decreased from

Page 1 of 4 T.K.S. TECHNOLOGIES % GP Y18 Y17 As Reported Total GP 21.3% 23.9% Company 24.1% 23.9% TBSP 16.9% - Company reported %Gross Profit Margin for year 2018 of 21.3%, while showed of 23.9% in

first quarter of year 2019 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 188.8 million, increased by THB 20.7 million or 12.3

“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation for the 2nd Quarter of the year 2018 ended 30 June 2018 as follows; Total Revenue The Company and subsidiary

. %Gross Profit Margin Business Overview 2019 Performance Unit : THB million Change Y2019 Y2018 (%) As Reported Total revenues 2,497 2,052 21.7% TKS 1,416 1,257 12.5% TBSP 1,081 795 35.9% T.K.S. Technologies

”) for the first quarter of year 2020 compared to the same period of prior year are as follows; The Group reported total revenues (excluded other revenues) at THB 177.4 million, decreased by THB 11.4

the year 2018 ended March 31, 2018 as follows: Company’s Performance (unit: million Baht ) 2018 (Quarterly) Percentage 2017 (Quarterly) Percentage Total income and other income 5.94 100.00 12.97 100.00

subsidiary shall purchase the entire shares of Hemaraj in Gulf WHA MT Natural Gas Distribution at the number of 2,499,000 shares, equaling 51 percent of the total shares of Gulf WHA MT, at the price of Baht

demand growth for our products across all regions and volume impact of Glanzstoff and Durafiber acquisitions completed in 2017, contributing to 77% of the total increase in volumes. This increase in