15 May 2019 Subject: Management Discussion and Analysis for the 3-Month Period Ended March 31, 2019 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

-TRANSLATION- 14 August 2019 Subject : Management Discussion and Analysis for Q2/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

. Costs and expenses for the year 2018 decreased by 81% compared to the same period of 2017. The main reasons were:  Cost of goods sold and rendering of services decreased by 31% in line with the decrease

-TRANSLATION- 15 May 2018 Subject : Management Discussion and Analysis for Q1/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

-TRANSLATION- 14 August 2018 Subject : Management Discussion and Analysis for Q2/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance in

Eng_MD&A Q2'18 (Translation) August 14, 2018 Ref: SET-2018-016 Re: Management Discussion and Analysis for Quarter 2’ 2018 Attn. to: President The Stock Exchange of Thailand Filter Vision Public

-TRANSLATION- 13 November 2018 Subject : Management Discussion and Analysis for Q3/2018 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance

FASSC service fees will be calculated based on the concept of total cost plus markup and charged to each subsidiary as a fixed fee for 6 months as follows; Monthly service fees charged to ACS Capital

-TRANSLATION- 14 November 2019 Subject : Management Discussion and Analysis for Q3/2019 Attention : President The Stock Exchange of Thailand An overview of the results in the passing The performance

submit the report of Management Discussion and Analysis for the year ended 31 December 2020 which has been audited by the auditor this is caused by followings: The Operating results of the company and its