วันที่ 25 กุมภาพันธ์ 2558 February 18, 2020 Subject: Management’s Explanation and Analysis for the year ended December 31, 2019 Attention: Director and Manager The Stock Exchange of Thailand LDC

ending 31 March 2020. Attention: President The Stock Exchange of Thailand Regarding to JMT Network Services Public Company Limited (“the Company”) No.4/2020 on 13 May 2020, the resolution to certify the

238.24 million as at December 31, 2019 due to impairment of dead stock and could not to use.. • Intangible assets decreased from THB 172.47 million from December 31, 2018 to THB 1.79 million in December 31

decreasing in total revenue. • Inventories decreased from THB 369.33 million as at December 31, 2018 to THB 238.24 million as at December 31, 2019 due to impairment of dead stock. • Intangible assets decreased

, Samutsakhon 74000 No. DOD43/2563 May 14, 2020 To: The President The Stock Exchange of Thailand (SET) Subject: Management’s Discussion and Analysis for the first Quarter of 2020 DOD Biotech Public Company

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: President The Stock Exchange of Thailand K.C. Property

29 October 2019 At: ACC/HO 023/19 Re: Management Discussion and Analysis for the Quarter of 3/2019 To: President The Stock Exchange of Thailand In the third quarter of 2019, there were concern on the

(Translation) th August, Ref: SET-- Re: Management's Discussion and Analysis and Operating Results for Quarter / Dear: The President The Stock Exchange of Thailand Filter Vision Public Company

  1    (Translation) MD. 030/2018 February 21, 2018 Re: Management Discussion and Analysis For the Year Ended December 31, 2017 To: President The Stock Exchange of Thailand Management Discussion and

[COMPANY NAME] Ref.: EFORL IR008/2019 March 7, 2019 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2018 To President The Stock Exchange of Thailand 1. Overview financial