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Quarterly Results MARKET CAP ( 03/31/2021 ) | GRI 102-7 R $ 12,842.5 million CLOSING SHARE PRICE ON ( 03/31/2021 ) R $ 18.69 NUMBER OF SHARES IN ISSUE ( 03/31/2021 ) 691,784,501 TREASURY SHARES 4,650,928 FREE FLOAT 40 % deca | hydraceusa durafloor duratex | PORTINARI 1 DURATEX INVESTOR RELATIONS GRI 102-53 investidores@duratex.com.br Carlos Henrique Pinto Haddad Investor Relations Director Natasha Utescher Investor Relations Manager www.duratex.com.br/ir Teleconference : April 30 , 2021 at 10a.m. For participants in Brazil : To connect , call : +55 11 3127-4971 | +55 11 3728-5971 Connection code : Duratex Website access : Watch the whole transmission via the site : www.duratex.com.br/ri | GRI 102-50 Duratex Solutions for better living DTEX B3 LISTED NM GRI 102-1 IBRX100 B3 ISE B3 SMLL B3 IBRAB3 IGCB3 5.9 A HEADLINES Adjusted and Recurring EBITDA of R $ 495.9 million , the highest level for a first quarter in the company's history , + 126.1 % greater than 1020 , with a margin of 28.0 % ; Generation of sustaining cash flow of R $ 187.2 million reduction of 57 days in the cash conversion cycle ; 1021 GRI 102-52 Wood Heightened demand over and above seasonality ; Best EBITDA in the history of the Division , with a margin of 34.4 % , 11.9 p.p. , greater than in 1Q20 and 4.1p.p. greater than 4Q20 ; Deca Price increases partially offsetting rising costs ; 8th quarter of margin growth on year comparison , if the impacts of the pandemic are excluded in the 1020 and 2020 ; Ceramic Tiles Capturing synergies remains above expectations with branding and price increases leading to the unit revenue by 6.9 % ; IGC - NM B3 Increase of 4.9 p.p. in the EBITDA margin , when compared to 1020 , ending the quarter at 25.7 % ; IGCT B3 Dissolving Wood Pulp Less than 12 months to the start of operations with no impact on the budget forecast despite cost pressures on construction materials ; IMAT B3 INDX B3 ITAG B3 ICO2 B3