to the same period of 2018 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2019 interim consolidated

9 August, 2018 Re Explanation and analysis of the Management for the 2nd. quarter of 2018 ended 30 June 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2561 of the

12 November, 2018 Re Explanation and analysis of the Management for the 3rd. quarter of 2018 ended 30 September 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 5/2561

, 2019 Subject: Clarification of 1st Quarter 2020 operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World

, 2020 Re: Clarification of 2nd Quarter 2020 operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation

73 1 / 4 (Translation) Ref. MD.005/2020 28th February 2020 Subj Management Discussion and Analysis (MD&A) of 2019 (Edit) Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and

-Translation- 1 -Translation- Ref. NCH 024/2020 May 11, 2020 Subject : Management’s Discussion and Analysis 1Q/2020 Attention : Director and Manager The Stock Exchange of Thailand N.C. Housing Plc

: The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2020 interim consolidated financial statements of Wave

73 1 / 4 (Translation) Ref. MD.005/2020 28th February 2020 Subj Management Discussion and Analysis (MD&A) of 2019 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary

of Shares of Trans.Ad Solutions Co., Ltd. (Added) Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of Nation International Edutainment Public Company