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

Microsoft Word - MD&A Y2019-E FA.doc 1 Ref: CSO. 003/2020 Date: 19th February 2020 Subject: Management Discussion and Analysis for Year Ending 31st December 2019 Attention: President The Stock

the year ended December 31, 2019 To Director and Manager the Stock Exchange of Thailand According to the Board of Directors’ Meeting No.2/ 2 0 2 0 of DOD Biotech Public Company Limited ( “ the Company

February 28, 2020 Subject: Managing Discussion and Analysis for Year2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

November 12, 2004 1/3 No: SN. 036/2017 May 11, 2017 Subject: Clarification of Operating Results and Financial Status the six-month period ended March 31, 2017 Attention: President The Stock Exchange

year ended May 31, 2017 (audited). To: Director and Manager The Stock Exchange of Thailand World Corporation Public Company Limited ("the Company") would like to report the operating results for the year

-Translation- 1 -Translation- Ref. NCH 049/2017 August 9, 2017 Subject : Management’s Discussion and Analysis Q.2/2017 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

-Translation- 1 -Translation- Ref. NCH 049/2017 August 9, 2017 Subject : Management’s Discussion and Analysis Q.2/2017 (Revised) Attention : President The Stock Exchange of Thailand N.C. Housing Plc

Analysis Forthe three-month period ended June 30,2017 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited ("The Company") would like to submit the Management Discussion and

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