. OCMSET/1907/003 July 30, 2019 Subject: Clarification of the operating results for the six-month period of 2019, change of rate more than 20% Dear: Director and Manager the Stock Exchange of Thailand

March 20, 2019 Re: Notification of the Resolutions on the Acquisition of Land and Establishment of Subsidiary To: The President The Stock Exchange of Thailand Attachment 1. Information Memorandum of the

Microsoft Word - MDA Q119 EN May 8, 2019 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent Taokaenoi

-Translation- 1 -Translation- Ref. NCH 035/2020 August 10, 2020 Subject : Management’s Discussion and Analysis 2Q/2020 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

4_MDA Year2019 EN -Translation- No. ECF2 007/2020 February 28, 2020 Subject: Management Discussion and Analysis of the year 2019 ended December 31, 2019 To President The Stock Exchange of Thailand

analysis for the three-month period ended June 30, 2019 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of reviewed financial statements for quarter 2/2019 of Wiik

Exchange of Thailand According to the Board of Directors Meeting of Bangkok Dec-Con Public Company Limited (the "Company") No. 9/2018 held on 28 November 2018 has approved a change in the method of payment

November 14, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2019 To: President The Stock Exchange of Thailand K.C

: President The Stock Exchange of Thailand Since the Board of Directors of Filter Vision Public Company Limited (“the Company” or “FVC”) dated December 14, 2017 resolved to approve the signing of Hi Healthcare

October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the nine month periods ended September 30, 2018 To: President The Stock Exchange of Thailand K.C