informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary Office Tel. +66 3622 4171-8 Ext

growth potential. Domestic Sales: The fourth-quarter revenue from sales of the Company was 566.0 million Baht, increased by 23.0 percent compared to the same quarter of the previous year and increase by

PDR to facilitate Economic and Industrial growth according to National Economic and Social Development Plan No. 7. 8. Condition Precedent This transaction is considered as class 2 transaction according

increased by 13.9 percent compared to the same quarter of the previous year and increase by 20.1 percent from the quarter 2/2017 in which the Chinese market is still the major market and continuously growth

, decreased by THB 0.09 million or -53.93% YoY as clients in property development sector cut their media spending due to the situation of Coronavirus disease 2019 (COVID-19) outbreak. In addition, gross loss

propose that the shareholders meeting consider and approve the authorisation of the Chief Executive Officer and President, or a person delegated by the Board of Directors, to undertake relevant and

appropriate to propose that the shareholders meeting consider and approve the authorisation of the Chief Executive Officer and President, or a person delegated by the Board of Directors, to undertake relevant

to be made as appropriate. Please be informed accordingly. Yours sincerely, -Signature- (Mr. Slib Soongswang) Chief Executive Officer Authorized Signatory Attachment 1 -Translation- 1/18 Information

of Position 31-Dec-16 31-Dec-17 Change MB % MB % MB % Assets Cash and cash equivalents 70.1 3.1% 6.0 0.2% (64.02) -91.4% Trade and other receivables 33.5 1.5% 39.0 1.6% 5.4 16.2% Property Development

% MB % Assets Cash and cash equivalents 70.1 3.1% 6.0 0.2% (64.02) -91.4% Trade and other receivables 33.5 1.5% 39.0 1.6% 5.4 16.2% Property Development Cost 96.5 4.3% 243.9 9.8% 147.4 152.8% Investment