14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

, 2020 as follows: Management Discussion and Analysis For the Nine months ended September 30, 2020 Summary of Performance Sales Revenue For the nine months ended 30 September 2019 and 2020, the Company

1: Overall Financial Performance Unit: mb Q1 18 % Q1 19 % Change % YoY Revenue 131.45 100.0% 132.54 100.0% 1.09 0.8% Cost 75.00 57.1% 73.41 55.4% (1.59) (2.1%) Gross Profit 56.45 42.9% 59.13 44.6

. GTB-AC002/2562 7 May 2019 Subject : Management Discussion and Analysis for the First quarter of 2019 (Ending 31 March 2019) To : Managing Director The Stock Exchange of Thailand Getabec Public Company

: Overall Financial Performance Unit: million baht Jan-Dec 2018 % Jan-Dec 2019 % Change % YoY Revenue 523.23 100.0% 613.86 100.0% 90.63 17.3% Cost 285.52 54.6% 332.39 54.1% 46.87 16.4% Gross Profit 237.71

1: Overall Financial Performance Unit: million baht Jan-Mar 2019 % Jan-Mar 2020 % Change % YoY Revenue 132.54 100.0% 179.21 100.0% 46.67 35.2% Cost (73.41) (55.4%) (93.71) (52.3%) (20.30) 27.7% Gross

May 10, 2018 Re : Management Discussion and Analysis (MD&A) For Quarter 1 / 2018 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

/2019 February 15 , 2019 Re: Management Discussion and Analysis (MD&A) For Year 2018 Attn: President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

November 13, 2019 Re : Management Discussion and Analysis (MD&A) For Quarter 3 / 2019 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

August 10, 2017 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2017 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s