1 - TRANSLATION - KT/PB (Q-Con) 004/2019 February 4,2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2018 Quality Construction

1 - TRANSLATION - KT/PB (Q-Con) 007/2020 May 15, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2020

-7186 www.rockgarden.co.th BROCK : 36 / 2020 August 13, 2020 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2020 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public

ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- 11 May 2020 Subject: Notification of a Related-Party Transaction To: Managing Director of the Stock Exchange of Thailand Please be informed that the Board of

ED-MD2020-0016 13th May 2020 Subject Clarification of changes in excess of 20% in the operating results for year Q1/2018 To Director and General Manager The Stock Exchange of Thailand Eureka Design

-7186 www.rockgarden.co.th BROCK : 20 / 2020 May 15, 2020 Re : Management Discussion and Analysis (MD&A) For Quarter 1 / 2020 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public

จดหมายชี้แจงq363e November 13, 2020 Managing Director Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2020 Summary onThird Quarter result

จดหมายชี้แจงq263e August 13, 2020 Managing Director Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2020 Summary on Second Quarter result

1 Ref : JSP/18/02/03 28 February 2018 Subject : Report the operating result for the year ended December 31, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

Microsoft Word - 2018_Q1 Results Notification letter_English May 8, 2018 The Director and Manager The Stock Exchange of Thailand Re: Information on First Quarter of 2018 Operating Results KCE