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the Quarter ended March 31, 2018 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company Limited would like explanation about the Company’s financial performance and operation

Microsoft Word - MD&A Y2018-E.doc 1 Ref: CSO. 003/2019 Date: 20th February 2019 Subject: Management Discussion and Analysis for Year Ending 31st December 2018 Attention: President The Stock Exchange

26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

19 September 2005 - Translate – Ref. HF 0044 / 2019 February 25th, 2019. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

Microsoft Word - MD&A Y2019-E FA.doc 1 Ref: CSO. 003/2020 Date: 19th February 2020 Subject: Management Discussion and Analysis for Year Ending 31st December 2019 Attention: President The Stock

February 26, 2020 Subject : Management Discussion and Analysis for year and 4th quarter ended December 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

4_MDA Year2019 EN -Translation- No. ECF2 007/2020 February 28, 2020 Subject: Management Discussion and Analysis of the year 2019 ended December 31, 2019 To President The Stock Exchange of Thailand

ABICO 009/KV/2017 May 11, 2017 Subject : Explanation on operation result for the Quarter ended March 31, 2017 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company

November 12, 2004 1/3 No: SN. 036/2017 May 11, 2017 Subject: Clarification of Operating Results and Financial Status the six-month period ended March 31, 2017 Attention: President The Stock Exchange