results for the nine-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

change target. In classifying economic activities, ASEAN Taxonomy uses Traffic Light System similar to Thailand Taxonomy, which will classify economic activities into three tiers: (1) Green tier

2018. A summary of the Company’s operating performance in 2019 and 2018 is shown in the following table: FY2019 FY2018 % Change FY2017 % Change [Amount in Baht Million] Y-o-Y Y-o-Y [2019 VS. 2018] [2018

audit firm; (2) Not required if another auditor affiliated with the same audit firm has submitted an application and the document to the SEC Office, provided that there is no material change to the

-2023 Balance by Quarter Change Q3-23 Q2-23 Q3-22 Q3-23 VS Q2-23 Q3-23 VS Q3-22 (Million Baht: MB) (MB) % (MB) % Total revenue 1,704.9 1,703.0 1,886.5 1.9 0.1 (181.6) (9.6) Total operating expenses

) operating results based on its reviewed consolidated financial statements ended 31 June 2017 as follows. Highlights on Q2-2017 Operating results Unit : Million Baht Q2-17 Q2-16 Q1-17 % Change Amount % Amount

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 145/2562 November 11, 2019 Subject: Clarification of the Operating Result for the significant change Attention

million or 74.48%. The major causes of significant change are as follows: Unit : Million Baht Operating results of the Company For the Year ended December 31, 2017 2016 Changes % Revenues : Revenues from

of the provision for rental assurance of OFCs of JASIF due to the change of the discount rate (rental fee increase), amounting 31 million Baht; - an allowance for doubtful debts and bad debts of 3BB of

result. Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for 2018 which changing over 20% from the same period last year as follows