-Translation- 1 -Translation- Ref. NCH 049/2017 August 9, 2017 Subject : Management’s Discussion and Analysis Q.2/2017 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

-Translation- 1 -Translation- Ref. NCH 049/2017 August 9, 2017 Subject : Management’s Discussion and Analysis Q.2/2017 (Revised) Attention : President The Stock Exchange of Thailand N.C. Housing Plc

1 Ref : JSP/17/08/02 15 August 2017 Subject : Report the operating result for the quarter 2 Ending June 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 (revise) To : The Director and Manager The Stock Exchange of Thailand J.S.P

-9320 1 Ref: PLC 2017/017 November 16, 2017 Subject: Management Discussion and Analysis Quarter 3 Ended 30-September-2017 (Additional) To: The President of the Stock Exchange of Thailand Panjawattana

Analysis Quarterly Ending March 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2019 dated May 11

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

and analysis for the period ended March 31, 2018 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2018 of Wiik

-Translation- 1 -Translation- Ref. NCH 042/2018 August 10, 2018 Subject : Management’s Discussion and Analysis 2Q/2018 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the