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

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

Stock Exchange of Thailand Dear Sir, With reference to the Minutes 11/2017 of the Company Directors’ meeting dated November 13, 2017, the Board resolved to approve the reviewed financial statements of

ที่________ - Translation - No: SN.056/2017 November 16, 2017 Subject: Clarification of Operating Results and Financial Status for 2017, ended 30 September 2017 Attention: President The Stock

Microsoft Word - MD&A 2017-E mh R.doc 1 Ref: CSO. 005/2018 Date: 26th February 2018 Subject: Management Discussion and Analysis for Year Ending 31st December 2017 Attention: President The Stock

Microsoft Word - ELCID - BOD-2-62 All S & BBW _EN_ March 28, 2019 Subject The acquisition and disposition of assets of the company To President The Stock Exchange of Thailand Eason Paint Public

. OCMSET1905/002 May 8, 2019 Subject: Report the operating result for the year ended March 31 ,2019 by more than 20 percent. Dear Director and Manager The Stock Exchange of Thailand According to the resolution

. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

Ref. PDI/BK-BS-036/2019 10th May 2019 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2019 To: President The Stock Exchange of Thailand PDI reassessed its

Analysis Quarterly Ending March 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2019 dated May 11