: President The Stock Exchange of Thailand According to the resolution of the Board of Directors Meeting of JMT Network Services Public Company Limited ("the Company") No. 1/2020, held on 26 February 2020, has

-1- AIT (VP-SEC) 026E/2017 7 November, 2017 Subject: Management's Discussion and Analysis of Operating Results for Q3-2017 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

-1- AIT (VP-SEC) 024E/2018 November 6, 2018 Subject: Management's Discussion and Analysis of Operating Results for Q3–2018 To: The President of The Stock Exchange of Thailand Summary of Operations Q3

No. Kor Bor Ror. 026/2018 March 6, 2019 President The Stock Exchange of Thailand Sub : Dividend payments, connected transaction, the shareholders’ meeting date, and the dissemination of the meeting

and Analysis for 2018 To : Director and the President The Stock Exchange of Thailand Summary of the Company’s Financial Position and Operating Result for the 3 and 9 month period ended 30 Sep. 2018

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0048/2020 26 February 2020 Subject: Management Discussion and Analysis of Operating Results for Fiscal Year 2019 To President The Stock Exchange of Thailand

: President The Stock Exchange of Thailand Global Service Center Public Company Limited ("the Company") would like to clarify the operating results for the year ended December 31, 2018 as follows: Operating

. 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

2nd quarter ended 30 June 2019 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial information for the 2nd quarter ended 30 June 2019, as submitted by the Company

Ref. No. 1908/028EN June 13, 2019 Subject Management Discussion and Analysis for Q2/2019 (Ending June 30, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company