1 11 February 2020 Subject: Explanation of operating result in the financial statement ended 31 December 2019 To: President of the Stock Exchange of Thailand With reference to the financial statement

MJD.IR.005/2020 15 May 2020 Subject : Clarification of the operating result for the year 2020 ended March 31, 2020 Attention : Director and Managing Director The Stock Exchange of Thailand Major

Analysis for the first quarter ended March 31, 2020 are different from the same period last year more than 20% To: The President, The Stocks Exchange of Thailand World Corporation Public Company Limited

period of last year The explanation for Company’s Operation change from same period more than 20% To : The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

-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

MJD.IR.011/2020 14 August 2020 Subject : Clarification of the operating result for the year 2020 ended June 30, 2020 Attention : Director and Managing Director The Stock Exchange of Thailand Major

-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

Microsoft Word - 2019_Q1 Results Notification letter_English May 14, 2019 The Director and Manager The Stock Exchange of Thailand Re: Information on First Quarter of 2019 Operating Results KCE

Ref. PDI/BK-BS-050/2019 9th August 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and six-month periods ended June 30, 2019 To: President The Stock Exchange of Thailand PDI

Microsoft Word - 2019_Q2 Results Notification letter_English _1st Draft_ August 13, 2019 The Director and Manager The Stock Exchange of Thailand Re: Information on Operating Results for the Second