Klabin S A : Minutes of Board of Directors Meeting

KLABIN S.A.

Publicly-held Company

CNPJ 89.637.490/0001-45

NIRE 35300188349

Extraordinary Board of Directors Meeting Held on June 17, 2022

1. Date, time and place: On the seventeenth (17th) day of June 2022, at 10:00 a.m. (ten o'clock), the Board of Directors of Klabin S.A. ("Company") met by videoconference, with its headquarters located at Avenida Brigadeiro Faria Lima, No. 3.600, 5th floor, in the city and state of São Paulo.
2. Call: The board members were previously called pursuant to article 18 of the Bylaws.
3. Attendance: Present were the members of the Company's Board of Directors, as per the names listed at the close of these minutes.
4. Board: Paulo Sergio Coutinho Galvão Filho - President and Fábio Fernandes Medeiros - Secretary.
5. Agenda: (i) the approval of the terms and conditions of the Debentures Issuance and the Restricted Offering (as defined below); (ii) the approval of the early settlement of NCE I (as defined below); (iii) the approval of the early settlement of NCE II (as defined below); (iv) the approval of the settlement of the swaps linked to the debts described in items (ii) and (iii); (v) the approval of the contracting of a new swap transaction in U.S. dollars, linked to the Debentures Issuance; (vi) the delegation to the Officers and/or to the Company's attorneys-in-fact powers to sign the documents related to the Debentures Issuance, the Restricted Offering and to the transactions described in items (i) to (v); and (vii) the ratification of all measures, negotiations and acts already practiced by the Company's Officers until now aiming at the execution of the transactions object of these minutes.
6. Matters and deliberations taken: Having analyzed and discussed the matters on the agenda, the board members resolved, by unanimous vote and without any reservations or restrictions:

1. to approve the terms and conditions of the fourteenth (14th) issuance of simple debentures, not convertible into shares, unsecured, in a single series, of the

1

Company, for private placement, in the amount of up to R$2,500,000. 000.00 (two billion and five hundred million reais), with a rate corresponding to NTN-B 2032 + 60 bps or IPCA + 6.30% and a maximum term of up to 12 (twelve) years, with amortization upon maturity, and eventual additional costs of: (a) Structuring Fee of 0.20% apartment; and (b) Channel Fee of 0.30% multiplied by the average term ("Debentures Issuance" and "Debentures", respectively). The other conditions of the Debentures Issuance will be subject to resolution in separate minutes, based on the respective Issuance Indenture, in order to comply with the legal requirements for the Debentures Issuance. The Debentures Issuance is inserted in the context of the issuance of agribusiness receivables certificates ("CRA"), which will be issued backed by the Debentures, to be subject to a public distribution offering, pursuant to Comissão de Valores Mobiliários ("CVM") Instruction No. 476, of January 16, 2009, as amended, and CVM Resolution No. 60, of December 23, 2021, as amended ("Restricted Offering");

1. to approve the early settlement of Export Credit Note No. 201800284 ("NCE I"), entered into on December 10, 2018, with Banco Bradesco S.A., maturing in December 2026;
2. to approve the early settlement of Export Credit Note No. 201800285 ("NCEI II"), entered into on December 11, 2018, with Banco Bradesco S.A., maturing in December 2026;
3. to approve the settlement of the swaps linked to the debts described in items (ii) and (iii), entered into on December 10 and 11, 2018, with Banco Bradesco S.A., maturing in December 2026;
4. to approve the contracting of a new swap operation in US dollars, linked to the Debentures Issuance, in the principal amount of up to R$2,500,000,000.00 (two billion and five hundred million reais), with a term of up to twelve (12) years;
5. to delegate to the Officers and/or to the Company's attorneys-in-fact powers to sign the documents related to the Debentures Issuance, the Restricted Offering and to the operations described in Items (i) to (v) above, and to practice all acts necessary to carry out the above resolutions, including (a) hiring service providers related to the above resolutions, including, but not limited to, legal advisors, coordinating banks, administrative agents, being able, for such purpose, to negotiate and sign the

2

respective agreements; (b) signing the agreement(s), power(s) of attorney, declaration(s) related to the Debentures Issuance, the Restricted Offering and operations described in Items (i) to (v) above, including, but not limited to, the fee letters and agreements referred to in items (i) to (v) above, as well as any amendments and other documents related to such instruments and to the above resolutions; and

1. to expressly ratify all measures, negotiations and acts already practiced by the Company's Officers up to now aiming at the concretization of the operations approved in these minutes.

7. Closure: There being no further matters to discuss, the meeting was adjourned and these minutes were drawn up, read, approved, and signed by the board members present and by the Secretary.

São Paulo, June 17, 2022.

Paulo Sérgio Coutinho Galvão Filho - Chairman, Fábio Fernandes Medeiros - Secretary, Wolff Klabin, Daniel Miguel Klabin, Horacio Lafer Piva, Roberto Klabin Martins Xavier, Alberto Klabin, Celso Lafer, Roberto Luiz Leme Klabin, Camilo Marcantonio Junior, Sérgio Francisco Monteiro de Carvalho Guimarães, Vera Lafer, Francisco Lafer Pati, Mauro Rodrigues da Cunha e Isabella Saboya de Albuquerque.

________________________________________________________________________

I hereby certify that the above is a true extract of the minutes of the Extraordinary Board of Directors Meeting of June 17, 2022, recorded in the appropriate book.

Fábio Fernandes Medeiros

Secretary

3