Page 1 of 4 No. RJH – SET 7/2018 11 May 2018 Subject : Management’s Discussion and Analysis for the 1st quarter of 2018 ending March 31, 2018 To : The President The Stock Exchange of Thailand

No. ADD 11/2023 11 May 2023 Subject: Management discussion and analysis for the performance for the three-month period ended 31 March 2023 To: President The Stock Exchange of Thailand AddTech Hub

12 November, 2018 Re Explanation and analysis of the Management for the 3rd. quarter of 2018 ended 30 September 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 5/2561

-Translation- 1 -Translation- Ref. NCH 033/2018 May 14, 2018 Subject : Management’s Discussion and Analysis 1Q/2018 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

-Translation- 1 -Translation- Ref. NCH 024/2020 May 11, 2020 Subject : Management’s Discussion and Analysis 1Q/2020 Attention : Director and Manager The Stock Exchange of Thailand N.C. Housing Plc

accordance with 15 percent or more but lower than 50 percent . On that basis, the Company is obligated to disclose information pertaining to the Class 2 transaction to the Stock Exchange of Thailand (“the SET

/2561 June 19, 2018 Subject: Management’s discussion and analysis of the Company’s operating results for Q1/2018 period To: President The Stock Exchange of Thailand DOD Biotech Public Company Limited

1 (Translation) AT JSP/61/02/02 February 6, 2018 Subject The disposal of investment of joint venture To The President The Stock Exchange of Thailand The Board of Director’s Meeting No.1/2018 of J.S.P

IDH-AC-000-อส6305/04.00 11 May 2020 Re: Management Discussion and Analysis Operating results for the three-month period ended 31 March 2020 To: President The Stock Exchange of Thailand Overview of

Ref. AU 011/2017 - Translation - 11 August 2017 To: Director and the President The Stock Exchange of Thailand Management Discussion and Analysis for the six-month period ended 30 June 2017 After You