the Year as at 31 December 2017 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

-months period ending 30 September 2018 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

-TRANSLATION- 25 February 2019 Subject : Management Discussion and Analysis for 2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the three month period end March 31, 2019 To: President The Stock Exchange of Thailand K.C. Property

-TRANSLATION- 25 February 2020 Subject : Management Discussion and Analysis for 2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

-TRANSLATION- 11 August 2017 Subject : Management Discussion and Analysis for Q2/2017 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status which had changed over 20 percent

Microsoft Word - NWR 169-60_E_Q2 (Translation) No.FN-NWR 169/60 15 August 2017 Subject : Submission of Financial Statements for the Second quarter ended June 30,2017 To : President The Stock Exchange

No.IFEC/SorNorBor/2017/0051 August 25, 2017 Subject: Submission of operation results for the year of 2016 and clarification. To: President The Stock Exchange of Thailand Inter Far East Energy