PAGE 1 OF 4 GEL.CS.011/2563 14 August 2020 Subject: Management Discussion and Financial Analysis for the operating results of the second quarter of 2020, ended June 30, 2020 To: Director and Manager

Translation CEN 001-2020 March 2, 2020 Subject Management Discussion and Analysis for business operation of year 2019 To The Manager and President The Stock Exchange of Thailand Business operation as

PAGE 1 OF 4 GEL.CS.014/2563 16 November 2020 Subject: Management Discussion and Financial Analysis for the operating results of the third quarter of 2020, ended September 30, 2020 To: Director and

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.042/2017 14 November 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.004/2018 26 February 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.021/2018 14 August 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.028/2018 13 November 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

16 April 2020 Subject: Notification of Acquisition of shares of Trans.Ad Solutions Co.,Ltd. Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of

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