and or Executive Committee to proceed and complete the sales of ordinary shares and claim payment of the company’s loans. Please be informed accordingly. Sincerely Yours, (Mr. Ekawat Swetarat) Acing

and or Executive Committee to proceed and complete the sales of ordinary shares and claim payment of the company’s loans. Page 3 of 3 Please be informed accordingly. Sincerely Yours, (Mr. Ekawat

Sangwithayanon Chief Executive Officer

Srinakarin) Chief Executive Officer

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

275.40 million baht. Please be informed accordingly. Yours sincerely, Mr. Wit Tantiworawong Senior Executive Vice President

contract value of Baht 436.32 million Supareuk Na Songkhla Mr.Supareuk Na Songkhla (Chief Executive Officer)

increase in profit before income tax. Please be informed accordingly. Yours sincerely, (Assoc.Prof.Dr.Chalerm Harnphanich, M.D.) Chief Executive Officer Revenue Structure Q1/2019 Q1/2018 Change General

million baht or 11.22% from 112.45 million baht in Q1/2018 due to the continuous loan repayments. Please be informed accordingly Sincerely yours, (Mr. Suriya Poolvoralaks) Executive Director and Managing

amounting to Baht 1.91 million. Sincerely yours, ___________________________ (Mr.Kusol Sangkananta) Chief Executive Officer