1 / 3 No.IR.003/2019 28 February 2019 Re: Notification of the changes of the Profit and Loss Statement To: President Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

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

73 1 / 4 Pef. MD 066/2019 8th November 2019. Subj Management Discussion and Analysis (MD&A) Q3/2019 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

MD & A ประจำปี -62 _ก่อนสอบทาน__EN Subject : Management Discussion and Analysis (Unreviewed) To : Director and Manager The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would

MD & A งบปี -62 _หลังสอบทาน__EN Subject : Management Discussion and Analysis (reviewed) To : Director and Manager The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like

, derivatives business operators and asset management companies: Due to the trading suspension on the Stock Exchange and the Derivatives Exchange, potentially causing securities companies, derivatives business

Ref. DBP. 025 / 2018 February 21, 2018 Subject : Clarification on operating results of Year 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited hereby

M.D. 042/2020 February 12, 2020 Subject : Disclosure of the information connected transactions (Revised) To : President of the Stock of Exchange of Thailand Kang Yong Electric Public Company Limited

the Year ending 31 December 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and