accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS

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

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

authorized the executive committee or the Chief Executive Officer or the person entrusted by executive committee or the Chief Executive Officer to have an authority to consider, decide, amend or change rules

Equity Coverage Central Pattana Public Company Limited Management’s Discussion and Analysis (MD&A) 1 of 10 Performance Overview Continuous growth in both revenue and net profits, attributed to

12,416 12,811 Gross profit margin (%) 25.47% 26.48% 27.29% Consolidated financial ratios 2017 2016 2015 Financial data and profitability ratios (continuous) Operating expense (include Research and