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amended) and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and Disposition of

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accounting policy for derivatives and hedge accounting. The changes have been applied retrospectively. The significant principles are as follows:- Derivatives are used to manage exposure to foreign exchange

1 / 2 IR.021/2019 13 November 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

4_MDA Year2019 EN -Translation- No. ECF2 007/2020 February 28, 2020 Subject: Management Discussion and Analysis of the year 2019 ended December 31, 2019 To President The Stock Exchange of Thailand

1 / 2 IR.017/2019 13 August 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

1 / 2 IR.017/2018 14 August 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

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