1 -Translation- Ref :IR 62/023 December 23, 2019 Subject: Change in Shareholding Structure of Subsidiary Company (edit no.2 ) To: President, The Stock Exchange of Thailand T.K.S. Technologies Public

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the Third quarter of 2019 at the end of 30th September 2019 as

Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries dated 6 September 2013, the SEC Office hereby issues this Notification, as follows

Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries dated 6 September 2013, the SEC Office hereby issues this Notification, as follows

Arrangement, Operating Systems, and Providing Services to Clients of Securities Companies and Derivatives Intermediaries dated 6 September 2013, the SEC Office hereby issues this Notification, as follows

., Klongmadua, Krathum Baen, Samut Sakhon 74110 Thailand. E-mail: aienergy@aienergy.co.th บริษัท เอไอ เอนเนอร์จี จ ำกดั (มหำชน) AI Energy Public Company Limited. AIE 079/2018 April 26, 2018 Subject: Management’s

/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

Public Company Limited and its subsidiaries had the operation results for the 3-month period ended 31 March 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change

1 (Translation) MD. 155/2018 November 14, 2018 Re: Management Discussion and Analysis For the Operating Results ended September 30, 2018 To: President The Stock Exchange of Thailand Management

Management Discussion and Analysis, Q1/2019 Page 1/4 JMT Network Services Public Company Limited - Translation - Ref: IR62/007 9 May 2019 Subject: Management Discussion and Analysis, 1st Quarter