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

operating performance of the Company three-month for the Quarter 1/2019 ended 31 March 2019 are as follows: change Q1/2562 Q1/2561 increase (decrease) Sales 213.9 189.1 13.1% Other income 10.8 15.9 -32.2

and Q1/2018 respectively, A decrease in total revenue 28.8% and can be summarized as following. Q-O-Q Change Q1/2017 Q1/2018 Increase/(Decrease) Sales 274.7 189.1 -31.2% The sales volume decreases as

) % Change Revenues from sales and services 292.80 161.61 131.19 81.17 Other revenues 5.03 5.27 (0.24) (4.55) Total revenues 297.84 166.88 130.96 78.47 Costs of sales and services 212.57 126.58 85.99 67.93

financial statement as follows: Quarter 1 / year 2016 Quarter 1 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 132.07 90.28% 108.37 92.86% -23.70 -17.95 % Revenue from

Microsoft Word - MD&A_.E-Q1-2017 INTEGRITY QUALITY SERVICE SAHA-UNION GROUP May15, 2017 Subject Clarification of the changes in operating results exceeding 20% for the 1st quarter of the year 2017

2016 Quarter 2 / year 2017 Change Million Baht % Million Baht % Million Baht % Sales revenue - net 237.96 92.26% 211.42 94.46% (26.53) -11.15 % Revenue from contract works 17.26 6.69% 9.82 4.39% (7.44

ที่ - Translation - PorBor. 018 / 2018 May 15, 2018 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand

Building Confidence in the Capital Market No. 42/2016 SEC orders AIE and AI to cooperate with their auditors Bangkok, April 29, 2016 – The SEC has ordered AI Energy Public Company Limited (AIE) and

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6