Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st

Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st quarter ending

Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial

Thailand Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial

Page 1 of 5 Performance Overview In 1Q18 Singha Estate Public Company Limited (“the Company” or “Singha Estate”) reported a 7% YoY decrease in total revenues, mainly from a drop of revenues from

SAAM Energy Development Public Company Limited - 1 - 12 May 2020 Subject: Management Discussion and Analysis for the period ended 31 March 2020 To: The President The Stock Exchange of Thailand SAAM

units. Adjusted net profit grew by 10.3% YoY to THB 228mn. Please find more details of the Company performance in performance analysis 2Q 2017/18. During Royal Cremation Ceremonies for the late King in

the Company N/A N/A N/A N/A N/A Not applicable because this is the disposition of assets. 2. Net Operating Profits % of Net Profit attributable to Proportionate Assets/ Net Profit of the Company* N/A N

1 / 2 IR.021/2019 13 November 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

_ Ocean Commerce Public Company Limited 148/1 Soi Ramintha 14, Ramintra Road , Tharang, Sub - District Bangkok 10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 No. OCMSET/1711/002 (translation