Rnj, (Translation) MD. 036/2020 February 26, 2020 Re: Management Discussion and Analysis For the Year Ended December 31, 2019 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 045/2019 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 045/2019 27 February 27, 2019 Re: Management Discussion and Analysis For the Year Ended December 31, 2018 To: President The Stock Exchange of Thailand Management Discussion and

1 (Translation) MD. 083/2019 May 8, 2019 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2019 To: President The Stock Exchange of Thailand Management Discussion and

1.43, increase from 0.32 at end of 2018. This improvement was mainly due to a repayment of all short-term borrowing from financial institutions. The debt-to-equity ratio improved to 0.35 at 31 March 2019

Justification_E_4-62 NO. AC. 01/2020 28 February 2020 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M. K. Real Estate

debt to equity ratio 0.35 times, shown that its sufficient liquidity and strong financial position. Please be informed accordingly, Yours Sincerely, DOD Biotech Public Company Limited (Miss Suwarin

Company still had current ratio 1.34 times and debt to equity ratio 0.38 times, shown that its sufficient liquidity and strong financial position. Please be informed accordingly, Yours Sincerely, DOD

No: AH 03052021 May 17, 2021 Subject: Management Discussion & Analysis (MD&A) for the financial statements of the 1st quarter of fiscal year 2021 ended as of March 31, 2021 To: The President The Stock

); the Fuel Ethanol Business EBITDA is THB 41 million (-29% QoQ). In June 2017, the company has informed the Stock Exchange of Thailand of the changes in shareholing structure of Bio-based Product business