Sudbuntad) Chief Executive Officer Company Secretary Office Tel. +66 3622 4171-8 Ext. 314 Fax. +66 3622 4187 - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND

Analysis (MD&A) as 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 - 1

Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND ANALYSIS (For the Consolidated Financial Statements of the 2nd Quarter

Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND ANALYSIS (For the Consolidated Financial Statements of the 3rd Quarter

ดัการ นายเกษตร ชยัวนัเพ็ญ รองกรรมการผูจ้ดัการ นางสาวยุพาวดี ตูจ้ินดา รองกรรมการผูจ้ดัการ นายวิทวสั อจัฉริยวนิช รองกรรมการผูจ้ดัการ นายนาวิน อินทรสมบติั Chief Investment Officer นายชชัชยั สฤษด์ิอภิรกัษ

อินทรสมบติั Chief Investment Officer นายชชัชยั สฤษด์ิอภิรกัษ ์ Chief Investment Officer นางสาวธิดาศิริ ศรีสมิต Chief Investment Officer นางสาวเอื้ อพนัธ ์เพช็ราภรณ ์ ผูช่้วยกรรมการผูจ้ดัการ นางสาวชนา

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

9 to consider pital of Baht which have pproving the ch decrease uthorized by register the e Ministry of registration. 9 to consider pital of Baht hares of the pproving the h increase of the Exec

possessed for a member, a derivatives clearing house shall perform the following actions: (1) create and maintain for each member an accurate and current register of assets received from or possessed for the

the January 2019. In this regard, the Board of Directors has authorized the executive committee or the Chief Executive Officer or the person entrusted by executive committee or the Chief Executive