May 10, 2019 Re : Management Discussion and Analysis (MD&A) For Quarter 1 / 2019 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

No. SN.LK. 62/08.0003 August 9, 2019 Subject : Management Discussion and Analysis Quarter 2 ending 30 June 2019 To The President The Stock Exchange of Thailand Indara Insurance Public Company Limited

August 9, 2019 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2019 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

. To : The director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company Limited

(Unreviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the third quarter ended 30 September 2018

(Reviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the third quarter ended 30 September 2018

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

SAAM Energy Development Public Company Limited - 1 - 7 August 2020 Subject: Management Discussion and Analysis for the period ended 30 June 2020 To: The President The Stock Exchange of Thailand SAAM