Management Discussion and Analysis for Interim Business Operations 2019 % 2018 % Inc./(Dec.) % Construction Income 44.36 86.52 35.57 96.14 8.79 24.71 Service Income 5.94 11.59 0.00 0.00 5.94 #DIV/0

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 To: President The Stock Exchange of Thailand The Board of Directors

: EIC-AD033/2019 13 August 2019 Subject: Management Discussion and Analysis for the Performance for Six-Month Period ended 30 June 2019 (Added Information) To: President The Stock Exchange of Thailand The

August 14, 2018 Subject: Managing Discussion and Analysis for Q2/2018 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

@halcyon.co.th No. CS-2563/014 14 August 2020 Subject: Management Discussion and Analysis for the 6-Month Period Ended 30 June 2020 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology

77/1 SOI RUAM SIRI MIT,CHOM PHON, CHATUCHAK, BANGKOK 10900 Tel. 02 093 1681-3 Fax. 02 093 1684 Website: www.eicasia.net Page1of4 WOW FACTOR PUBLIC COMPANY LIMITED (Translation) Ref: W-AD026/2020 14

Page 1 Date 11 November 2020 Re: Management Discussion & Analysis for the 9-months period Ended 30 September 2020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC

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: Management explanation and analysis for the year ended 31 December 2017 Attention : The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify

securities company shall identify its critical functions, assess their risks of major operational disruptions, conduct business impact analysis and assess potential damages arising from major operational