73 1 / 4 (Translation) Ref. MD.005/2020 28th February 2020 Subj Management Discussion and Analysis (MD&A) of 2019 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary

and Managers, The Stock Exchange of Thailand The Board of Directors’ Meeting of Halcyon Technology PLC. (the “Company”) had passed the resolution to convene the 2020 Annual General Meeting of

-9320 Ref: PLC 2020/008 April 7, 2020 Subject: Postponement of the 2020 Annual General Meeting of Shareholders ("AGM") and Notice of interim dividend agenda consideration To: The President of the Stock

Provincial Waterworks Authority Attention: Directors and Managers The Stock Exchange of Thailand CC: Secretary-General of the Office of the Securities and Exchange Commission, Thailand Attachment: Map of the

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No. B52-2020-05/002 7 May 2020 Subject: Management Discussion and Analysis - for the three-month period ended 31 March 2020 To: The President of Stock Exchange of Thailand B-52 Capital Public Company

Limited and its subsidiaries Ref. PDI/BK-BS-022/2020 May 12, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2020 To: President The Stock Exchange of Thailand

19 September 2005 - Translate – Ref. HF 0051/2020 May 18th, 2020. Subject : Disclosure of Connected Transaction Attn : Managing Director of the Stock Exchange of Thailand. According to the resolution

19 September 2005 - Translate – Ref. HF 0051/2020 May 18th, 2020. Subject : Disclosure of Connected Transaction (Reviewed) Attn : Managing Director of the Stock Exchange of Thailand. According to the

(มหาชน) BURIRUM SUGARPUBLIC CO., LTD. BRR 13 May 2019 Subject Explanation for the decrease of over 20 percent of net income for the year compared to the same previous year Attention President, The Stock