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

) Chief Executive Officer

profit from associated company under the equity method net of Baht 49.46 million. Yours sincerely, (Mr. Chaipatr Srivisarvacha) Chief Executive Officer

. Sutheera Phuttharee is the authorized director and shareholder of New Decade Co., Ltd. Both are the younger sisters of Mr. Polpat Karnasuta who holds the position of Chief Executive Officer of the Company

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

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

Juwiwat) Chief Executive Officer

million baht, or 13.76%. Mainly due to The Group has an increase of equity and business profits from their operating results. Please be informed accordingly. Sincerely yours, (Mr. Peerapong Jaroon-Ek) Chief

operating results. Please be informed accordingly. Sincerely yours, (Mr. Peerapong Jaroon-Ek) Chief Executive Officer