Executive Officer Jubilee Enterprise Public Company Limited 3/3

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 - DIAMOND BUILDING PRODUCTS

. Sincerely yours, (Miss Apinya Jarutrakulchai) Senior Executive Vice President Accounting and Finance Department Tel: 0-2677-7000 Fax: 0-2677-7011-2

Company. Please be informed accordingly, Respectfully yours, -Weera Louwitawas- (Mr. Weera Louwitawas) Chief Executive Officer

this year, increase by THB 87.59 million or 51.45%. Please be informed accordingly. Yours sincerely, (Mrs. Sutida Suriyodorn) Senior Executive Vice President

, income tax decreased 330.94 million baht as a result of a decrease in profit. Please be informed accordingly. Yours sincerely, Mr. Wit Tantiworawong Senior Executive Vice President

, Preecha Nuntnarumit (Mr. Preecha Nuntnarumit) Chief Executive Officer

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

year 2017 (December 31st, 2017) mainly from the increasing of business profits from the operating results. Please be informed accordingly. Sincerely yours, (Mr. Peerapong Jaroon-Ek) Chief Executive

, the Audit Committee’s opinion is not different that of the Board of Directors of the Company. Please be informed accordingly. Yours Faithfully (Mr. Wisate Chungwatana) Chief Executive Officer Corporate