2nd quarter ended 30 June 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 2nd quarter ended 30 June 2019, as submitted by the Company

Management Discussion and Analysis, Q2/2019 Page1/4 Ref. IR62/008 9 August 2019 Subject: Management Discussion and Analysis, 2nd Quarter Ending 30 June 2019 Attention: President Stock Exchange of

1 Translation CEN 013-2019 August 14, 2019 Subject Management discussion and analysis for business operation Quarter 2-2019 To The Manager and President The Stock Exchange of Thailand Operating

August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C. Property

1/4 August 28, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended December 31, 2017 To: Boards and Managements The Stock Exchange of Thailand K.C

Network Services Public Company Limited - Translation - Ref: IR61/009 11 May 2018 Subject: Management Discussion and Analysis, 1st Quarter ending 31 March 2018 Attention: President The Stock Exchange of

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

Payment of Corporate Guarantee fee for the relating company (RPT) To: The Managing Director The Stock Exchange of Thailand (SET) According to the Extraordinary Shareholders Meeting of Phuket Fantasea Public

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2018 To: Boards and Managements The Stock Exchange of

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