(Mr. Pin Kewkacha) Chairman of the Executive Board 4 Information for Related Party Transaction Payment of land use of the Jungle World Co., Ltd. (related company) is collateral Issuing debentures of the

29 January 2019 assigned the executive committee or Chief Executive Officer to be authorized to perform any actions related to the disposal of Land and Buildings to Double Tree Holding , including to

attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary

the board of directors. - None - Please be informed accordingly. Yours sincerely, (Mr.Wirat Sukchai) Chief Executive Officer Authorized Signatory of Information Memorandum Company Secretary Tel. 02-203

Tulananda) Executive Chairman

. Yours truly, (Somchai Kulimakin) Chairman of The Executive Committee

) Director/(Acting) Chief Executive Officer

both short-term loan from financial institutions as well as trade accounts payable. Yours truly, (Somchai Kulimakin) Chairman of The Executive Committee

to deliver which resulting in increasing sale and fast delivery this year. Yours Truly, Mr. Wiboon Sangwithayanon Chief Executive Officer

and Analysis EXECUTIVE SUMMARY ABBREVIATION & OUR PROJECTSFINANCIAL PERFORMANCE FINANCIAL POSITION PROGRESS OF PROJECTS UNDER CONSTRUCTION EXECUTIVE SUMMARY 1 B.Grimm stands with our stakeholders to