. 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

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

. However, the genuine gross margin in the second quarter of 2017 was at 60.6% for the warehouse rental and service business which decreased from 68.8% last year, mainly due to change in product mix between

standards under WHA level. However, the genuine gross margin in the first quarter of 2019 was at 49.0% for the warehouse rental and service business which decreased from 51.5% in the same period of previous

level. However, the genuine gross margin in the first quarter of 2020 was at 69.6% which increased from 54.4% in the same period of previous year, mainly due to higher occupancy rate. 2. Sale of

had accounted for the fair value adjustment of the acquired business according to the accounting standards under WHA level. However, the genuine gross margin in the first quarter of 2018 was at 49.2

, the genuine gross margin in the third quarter of 2017 was at 57.6% for the warehouse rental and service business which decreased from 69.7% last year, mainly due to change in product mix between Built

accounting standards under WHA level. However, the genuine gross margin was 55.3%. Utilities & Power Business 2018 2019 Increase/ (Decrease) THB mm THB mm % Revenue 2,095.1 2,258.7 7.8% Gross Profit 895.2