trading business. • Overall gross profit margin increased from (3.4%) to 11.6% amount Baht 67 million. 2019 2018 Revenue 466 383 83 22% Cost 412 396 Gross profit 54 (13) 67 -515% Gross profit margin 11.6

businesses since we focus on expanding customer base with business expertise • Overall gross profit margin increased from 9.8% to 11.3% amount Baht 45 million. 2019 2018 Change % Change Revenue 1,839 1,673 167

Company Limited and its subsidiaries had the operation results for the year ended December 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB mill.) Change (%) Revenue from Sales

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

No. AC 070/2018 KHON KAEN SUGAR INDUSTRY PUBLIC CO., LTD 503 K.S.L. TOWER, 9th FLOOR, SRIAYUDHYA ROAD, RAJATHEVI, BANGKOK 10400 14 June 2018 SUBJECT EXPLANATION FOR THE CHANGE IN PERFORMANCE OVER 20

and its subsidiaries had the operation results for the three-month period ended March 31, 2019 with the following details: unit: THB million 2019 2018 Change (THB million) Change (%) Revenue from Sales

Limited and its subsidiaries had the operation results for the six-month period ended June, 2017 with the following details: unit: THB million 2017 2016 Change (THB million) Change (%) Revenue from Sales

comprehensive income for the year ended 31 December (Unit : Million Baht) 2017 2016 Change % Change Operating revenue 1,580.25 1,411.68 168.58 11.94% Operating cost 1,335.73 1,217.44 Gross profit 244.53 194.24

and its subsidiaries had the operation results for the year ended December 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB mill.) Change (%) Revenue from Sales and Service