32 MDA Q3 60 EN -Translation- No. ECF2 077/2017 November 14, 2017 Subject: Management Discussion and Analysis of the 3rd quarter ended September 30, 2017 To President The Stock Exchange of Thailand

@halcyon.co.th No. CS-2563/003 27 February 2020 Subject: Management Discussion and Analysis for the Year Ended December 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

14 August 2019 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

@halcyon.co.th No. CS-2563/013 14 August 2020 Subject: Management Discussion and Analysis for the 3-Month Period Ended 31 March 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

the year 2018 Attn: Director and Manager, The Stock Exchange of Thailand With respect to the financial statements for the year 2 018 , as submitted by the Company, which has been audited by the external

15 August 2017 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

Subject: Management Discussion and Analysis - for the period of 1Q2019. To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company”) would like to notify the operating

2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 June 2019. To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company”) would

2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 June 2019 (Revise) To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company

Analysis (MD&A) Report for the Three Month Period (Q3/2018) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A