CNPJ nº 97.837.181/0001-47 A Public Listed Company

ANNUAL AND EXTRAORDINARY GENERAL SHAREHOLDERS’MEETING TO BE HELD ON APRIL 29, 2021

SYNTHETIC MAP CONSOLIDATED BY THE COMPANY

DURATEX S.A., pursuant to CVM Instruction 481/09, discloses the synthetic voting map consolidating voting instructions transmitted by the shareholders through their respective custodian agents to the central depositary and the registrar and the transmitted directly to the company.

In accordance with article 21-W, Third Paragraph, of the CVM Instruction 481/09, the charters attached herein identify how many approvals, rejections or received each item in the paper in the matters to be submitted to the deliberation of the Annual and Extraordinary General Stockholders’ Meeting to be held on April 29, 2021.

São Paulo (SP), April 28, 2021.

Carlos Henrique Pinto Haddad Vice President of Administration, Finance and Investor Relations

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

AGENDA OF THE ANNUAL GENERAL MEETING

COMMON SHARES % OVER DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY TOTAL VOTES

Approve 434.125,274 96.75% Take cognizance of the management accounts and examine, discuss and 1 vote on the Financial Statements related for the fiscal year ended on Reject 81,900 0.02% 12.31.2020 Abstain 14,510,776 3.23%

Resolve upon the Board of Directors' proposal for the allocation of profit Approve 448,717,950 100.00% for 2020, including the ratification of the interim distribution of interest of interest capital, as detailed in the Manual Meeting available at https: 2 //www.duratex. com.br/ri/informacoes-ao-mercado/reunioes-da- Reject 0 0.00% administracao-assembleias.; No further distribution of earnings related to fiscal year 2020 will be proposed on the Annual and Extraordinary Abstain 0 0.00% Stockholder’s Meeting.

Approve 448,534,350 99,96% To resolve upon management's proposal to establish, in 9 (nine) members 3 - of which 3 (three) are independent - and 3 (three) alternates, the number Reject 183,600 0.04% of members of the Board of Directors for the next annual term. Abstain 0 0.00%

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

COMMON SHARES % OVER DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY TOTAL VOTES

Yes 6,793,775 1.51% Do you wish to request the adoption of the multiple voting process for the 4 of the Board of Directors, under the terms of Article 141 of Law No 40,708,697 9.07% No. 6,404, of 1976? Abstain 401,215,478 89.41%

Approve 349,998,470 78.00% Indication of all the names that make up the slate (The votes indicated in this field will be disregarded if the shareholder with voting rights also fills 5 Reject 98,719,480 22.00% in the fields present in the separate election of a member of the board of directors and the separate election they deal with these fields occur) Abstain 0 0.00%

Yes 287,574,465 64.09% If one of the candidates that make up the chosen slate ceases to be part 6 of such slate, can the votes corresponding to his / her shares continue to No 161,143,485 35.91% be cast on the chosen slate? Abstain 0 0.00%

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

COMMON SHARES % OVER DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY TOTAL VOTES

In the event of the adoption of the multiple vote process, should the votes Yes 288,746,394 64.35% corresponding to your shares be distributed in equal percentages to the 7 members of the slate you chose? [If the stockholders chooses “Abstain” No 456,160 0.10% and the multiple voting process is adopted their vote will be calculated as in the respective resolution of the meeting.] Abstain 159,515,396 35.55%

Visualization of all candidates that make up the slate to indicate the % (percentage) of the votes to be attributed: ALFREDO EGYDIO ARRUDA VILLELA FILHO / ALEXANDRE DE BARROS 280,422,592.83 11.11% ALFREDO EGYDIO SETUBAL / PAULA LUCAS SETUBAL 280,429,820.03 11.11% ANDREA LASERNA SEIBEL / ALEX LASERNA SEIBEL 280,437,047.23 11.11% 8 HELIO SEIBEL / ALEX LASERNA SEIBEL 280,447,888.03 11.11% JULIANA ROZENBAUM MUNEMORI 280,486,778.43 11.11% MARCIO FROES TORRES 280,501,138.03 11.11% RAUL CALFAT 280,511,978.83 11.11% RICARDO EGYDIO SETUBAL / PAULA LUCAS SETUBAL 280,397,297.63 11.11% RODOLFO VILLELA MARINO / ALEXANDRE DE BARROS 280,397,297.63 11.11% Yes 129,824,531 28.93% Do you wish to request the adoption of a separate vote for the election of 9 No 7,766,107 1.73% the Board of Directors? Abstain 311,127,312 69.34%

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

COMMON SHARES % OVER DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY TOTAL VOTES

Indication of candidates for the board of directors by minority Approve 5,517,400 1.23% shareholders holding voting shares (the shareholder can only fill in this 10 field if he is the uninterrupted holder of the shares with which he votes Reject 539,260 0.12% during the 3 months immediately prior to the general meeting) Abstain 442,661,290 98.65%

Approve 315,368,357 70.28% Ratify the remuneration paid to management in 2020 and deliberate on the proposal of the Board of Directors for setting the aggregate and annual 11 Reject 133,141,993 29.67% amount to be allocated of the compensation of the management (Board of Directors and Executive Board) of up to R $ 48 million. Abstain 207,600 0.05%

Do you wish to request the installation of the Fiscal Council, under the Yes 164,870,361 36.74% terms of Article 161 of Law no. 6,404 of 1976?

12 No 5,976,989 1.33% Note: This question is not included in the agenda of this Meeting, and has been inserted in compliance with the provisions of Article 21-K of ICVM 481 of 2009 Abstain 277,870,600 61.93%

Yes 444,573,699 99.08% To authorize the drafting of the minutes of this Meeting in summarized 13 form, pursuant to Paragraph 1, Article 130 of Law no. 6,404 of 1976? No 4,144,251 0.92% Abstain 0 0.00%

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

COMMON SHARES % OVER DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY TOTAL VOTES

Yes 445,823,793 99.36% To authorize the publication of the minutes of this Meeting, omitting the 14 names of the shareholders, pursuant to Paragraph 2, Article 130 of Law No 2,894,157 0.64% no. 6,404 of 1976? Abstain 0 0.00%

Total Attendance 448,717,950

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CNPJ nº 97.837.181/0001-47 A Public Listed Company

AGENDA OF THE EXTRAORDINARY GENERAL MEETING

COMMON SHARES % OVER TOTAL DESCRIPTION OF DELIBERATION VOTE DELIBERATION QUANTITY VOTES

Approve 307,740,735 66.83% To resolve upon the Board of Directors' proposal to amend the Duratex 1 Reject 152,768,955 33.17% Long-Term Incentive Plan Regulation. Abstain 0 0.00% Yes 445,648,357 96.77% To authorize the drafting of the minutes of this Meeting in summarized 2 No 14,861,333 3.23% form, pursuant to Paragraph 1, Article 130 of Law no. 6,404 of 1976? Abstain 0 0.00%

Yes 457,615,533 99.37% To authorize the publication of the minutes of this Meeting, omitting the 3 names of the shareholders, pursuant to Paragraph 2, Article 130 of Law no. No 2,894,157 0.63% 6,404 of 1976? Abstain 0 0.00%

Total Attendance 460,509,690

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