Ref.No.1905/026EN July 16, 2019 Subject Inform about The Connected Transaction (Amendment) Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.9/2019

Entering into the Connected Transaction Attention : The President of the Stock Exchange of Thailand Enclosure : Information Memorandum on Connected Transaction Jasmine Telecom Systems Public Company Limited

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: Boards and Managements The Stock Exchange of Thailand K.C

February 28,2020 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2019 To: President The Stock Exchange of Thailand K.C. Property

judgment regardless of whether the sentence has been suspended and have been discharged for a period of less than three years after being sentenced in the offences under law on securities and exchange or law

Ref.No.IVL001/08/2019 8th August 2019 President The Stock Exchange of Thailand Subject: Acquisition of Integrated Oxides and Derivatives Businesses/ Assets Enclosure: Information concerning the Acquisition 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

Section 14 of the Securities and Exchange Act B.E. 2535 (1992) as amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008) and Section 35 and Section 41(3) of the Securities and Exchange Act B.E

Exchange Act, B.E. 2535 (1992), as amended by the Securities and Exchange Act (No.4), B.E. 2551 (2008), and Section 35, Section 40(11), Section 41(3) and (4), Section 42(10) and Section 43(3) of the

Extraordinary General Meeting of Shareholders No.1/2019 (EGM 1/2019) To: The President of the Stock Exchange of Thailand Attachment: 1. Information Memorandum of the Purchase and Acquisition of Entire Business