COMPANY LIMITED DIMET (SIAM) PUBLIC COMPANY LIMITED DITTO (THAILAND) PUBLIC COMPANY LIMITED DO DAY DREAM PUBLIC COMPANY LIMITED DOD BIOTECH PUBLIC COMPANY LIMITED DOHOME PUBLIC COMPANY LIMITED DON MUANG

DO DAY DREAM PUBLIC COMPANY LIMITED Filing FinancialStatement 56-1 56-2 Ranking DOD DOD BIOTECH PUBLIC COMPANY LIMITED Filing FinancialStatement 56-1 56-2 Ranking DOHOME DOHOME PUBLIC COMPANY LIMITED

considered a positive factor that shall enable the Company's operating performance to grow continually in the future. 2019 was considered the year that the Company had a remarkable performance and achieved the

. 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

/2561 November 12, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q3/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

. DOD017/2562 May 8, 2019 Re: Management’s Discussion and Analysis (MD&A) of the Consolidated Financial Results for Quarter 1 of 2019 To: The President The Stock Exchange of Thailand DOD Biotech Public

/2561 June 19, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q1/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

/2561 August 7, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q2/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

the economy using significant quantities of lime are also showing remarkable growth. The steel industry continued to expand more than 10% year on year. In the construction sector the use of autoclaved

Acquisition of Assets of DOD Biotech Public Company Limited regarding the Acquisition of Land and Establishment of Subsidiary, which is Class 2 Transaction (Schedule 1) DOD Biotech Public Company Limited ( the