/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

. 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

Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period ended 31 December 2018 (4th

(Revised 1) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period ended 31 December

658,411 627,006 31,405 5.01 Gross profit 227,598 229,555 (1,957) (0.85) Net profit 24,017 46,410 (22,393) (48.25) Gross profit margin (%) 33.73 34.46 (0.73) (2.12) Net profit margin (%) 3.50 6.87 (3.38

ที่ บช NO. AC. 002/2019 15 May 2019 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development Plc

ended June 30, 2018 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited ("The Company") would like to submit the Management Discussion and Analysis of the Company's

/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

IDH-AC-000-อส6302/30.00 20 February 2020 Re: Management Discussion and Analysis Operating results for the year ended 31 December 2019 To: President The Stock Exchange of Thailand Overview of the

No. ADD-IR2021/001 19 May 2021 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2021 To: President The Stock Exchange of Thailand AddTech Hub