Translation CEN 001-2020 March 2, 2020 Subject Management Discussion and Analysis for business operation of year 2019 To The Manager and President The Stock Exchange of Thailand Business operation as

November 11, 2020 Subject: Management’s Discussion and Analysis for the third quarter of 2020 To: The President The Stock Exchange of Thailand (SET) DOD Biotech Public Company Limited and its subsidiaries

. Moreover, a stagnant of Thai economy in the first half of 2017 causes a lower demand of steel consumption. According to ISITCs data, total apparent finished steel consumption of Thailand for the first 6

Analysis (MD&A) For Q3/2018 3 Executive Summary The total apparent finished steel consumption of steel industry in Thailand in the third quarter of 2018 surged to 4.66 million tons, an increase of 11.1

spread between finished product and crude oil in every product category, and from the higher average crude oil price; resulting in an Inventory Gain of THB 834 million, exceeding 2016’s. Moreover, there

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS009/2562 May 09, 2019 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for the

% compared to the first 6 months of 2019. (The acquisition of ICE, appointed Reseller of Oracle, completely finished on 27th March 2019). Revenue from Implementation and Application Management Service for CRM

2019 was at 7.63 MT, decreasing 15.47% compared to the same period of previous year consisting of the long finished steel production of 5.01 MT, decreasing 11.50% and the flat finished steel production

, increasing 10.81% compared to the same period of previous year consisting of the long finished steel production of 0.883 million metric tons, increasing 4.65% and the flat finished steel production of 0.814

ISIT had reported the domestic steel-production for 2017 was at 6.87 million metric tons, decreasing 13.72% compared to the previous year consisting of the long finished steel production of 3.94 million