, the Company had gain from provision of diesel oil in the amount of Baht 202.00 million in the same period of the previous year. Management Discussion and Analysis For the Three-month and Six-month

price and time. Discussion and Analysis of the Company and its subsidiaries Operational Results in 2018 and 2017 Corporate Revenue In 2018 the Company and its subsidiaries’ total earnings amounted to 880

February 27, 2019 Subject : Management Discussion and Analysis for year and 4th quarter ended December 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

Protection Act. Discussion and Analysis of the Company and its subsidiaries Operational Results in Q2/2019 and Q2/2018 Corporate Revenue In Q2/2019 the Company and its subsidiaries’ total earnings amounted to

7 August 2019 Subject: Management Discussion and Analysis for the Quarter 2 Ending 30 June 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting

and fabricators like UEC. This is effect to small volume for UEC in Q2/2018 and very high competition. Discussion and Analysis of the Company and its subsidiaries Operational Results in Q2/2018 and Q2

November 9, 2018 Subject : Management Discussion and Analysis for nine-months and 3rd quarter ended September 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance

3Q17 %Chg As Reported Total Revenues 604 378 60% Company 339 378 (10%) TBSP 265 - 100% Revenue Breakdown T.K.S. Technologies Public Company Limited Management Discussion and Analysis Operating Results

7th November 2019 Subject: Management Discussion and Analysis for the Quarter 3 Ending 30th September 2019 Attention: President Stock Exchange of Thailand Please find below the additional information

(Translation) Ref.No.LEE 11/2020 11 August, 2020 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2020 To : President of The Stock Exchange of Thailand We submit