Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

transactions occurred during the 2nd Quarter 2017. GFPT Group has policy to mitigate risks from foreign exchange rate volatility, which occurred from export sale and raw material importation by hedging forward

during the 1st Quarter 2019. GFPT Group has policy to mitigate risks from foreign exchange rate volatility, which occurred from export sale and raw material importation by hedging forward contract from

entitled for subscription of new ordinary shares (Record Date) and Subscription period To: The President of the Stock Exchange of Thailand Enclosure: 1. No. For. 19/2018 Capital Increase, Waiver from

repaying short-term loan (Bridge Financing) that the company used to acquire Glow Energy Public Company Limited (“GLOW”) was completed in Q4/2019. The company has been successful following the capital

shares traded on the Stock Exchange of Thailand (the “SET”) for 7 consecutive days prior to the date on which the Board of Directors resolved to propose the said offering for approval at the Extraordinary

September 2013 (“ Notification No. TorThor. 35/2556 ”) and the notification of the Office of Securities and Exchange Commission No. SorThor/Nor. 45/2559 Re: Rules in Detail on Regulations Concerning the

(“Notification No. TorThor. 35/2556”) and the notification of the Office of Securities and Exchange Commission No. SorThor/Nor. 45/2559 Re: Rules in Detail on Regulations Concerning the Establishment of Risk

Province of Planet Board Company Limited, which is a Subsidiary of the Company Attention President The Stock Exchange of Thailand Enclosure Information Memorandum on Acquisition of Assets of East Coast

Province of Planet Board Company Limited, which is a Subsidiary of the Company (Additional) Attention President The Stock Exchange of Thailand Enclosure Information Memorandum on Acquisition of Assets of