Discussion and Analysis for the Performance for the year ended 31 December 2019 To: President The Stock Exchange of Thailand The Board of Directors of Electronics Industry Public Company Limited (the “Company

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

โทรสาร (043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 13/2020 November 7, 2020 Subject : Management

Page 1 No. CMC Sor Lor.012/2019 August 13, 2019 Re: Management Discussion & Analysis for the Period Ended 30 June 2019 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN

Microsoft Word - MD&A-3Q2019-E FA V25Oct2019.docx 1 Ref: CSO. 026/2019 Date: 5th November 2019 Subject: Management Discussion and Analysis Quarter 3 Ending 30th September 2019 Attention: President

โทรสาร (043) 236-835 456 Moo 14 Mittraparp Rd. Muang Khon Kaen Thailand 40000 Tel. (043) 333-555 Fax. (043) 236-835 Ratchaphruek Hospital No. RPH-SET 11/2019 November 7, 2019 Subject : Management

Investor Contact who is authorized to analyze the investment in securities and Category B Investor Contact who is not authorized to analyze the investment in securities; “analysis of investment in securities

securities; “analysis of investment in securities”3 means an analysis of various data relating to securities to be used in advising or disseminating, whether directly or indirectly, on the value of securities

analysis in securities through mass media shall seek an approval from the securities company in advance. In this regard, the securities company shall set out the rules which requires a written authorization

(Microsoft Word - Rev.2 62 UPF\244\323\315\270\324\272\322\302 MDA E \341\241\351\344\242 27-2-63.doc) ( Translation ) Subject: Management Discussion and Analysis (MD&A) for the year ends on 31st