Klabin S A : Minutes of Board of Directors Meeting

KLABIN S.A.

CNPJ/ME (National Registry of Legal Entities of the Ministry of Economy) no.

89.637.490/0001-45

NIRE (Company Register Identification Number) no. 35300188349

EXTRAORDINARY MEETING OF THE BOARD OF DIRECTORS

HELD ON MAY 03, 2022

1. Date, time and place: On may third (3rd), 2022, at three o'clock (03:00 p.m.) the Board of Directors of Klabin S.A. (hereinafter refer to as "Company"), met by means of video conference, company with its head office located at Avenida Brigadeiro Faria Lima, no. 3.600, 5º andar, in the city of São Paulo, State of São Paulo.

2. Notice: The Directors received previous notice under the terms of article 18 of the Articles of Association.

3. Attendance: Attended the meeting the members of the Board of Directors of the Company, according to the names listed at the end of this minutes.

4. Board: Paulo Sergio Coutinho Galvão Filho - Chairman and Fábio Fernandes Medeiros - Secretary

• 5. Agenda: Distribution of dividends referring to the 1Q22.

• 6. Subject matters and decisions taken: the Directors, unanimously and without any reservation, approved the proposal from the Administration, in light of the results obtained, of the distribution of interim dividends in the total amount of three hundred and forty six million Brazilian reais (BRL 346,000,000.00), which represent BRL 0.06288336440 per ordinary or preferred Stock or BRL 0.31441682200 per Unit. The dividends will be declared according to Article 20, item "I" of the Articles of Association, based on the interim results, to be debited at the profit reserve account and will be attribute to the compulsory dividends of the current fiscal year. The dividends must be deducted from the amount which is declared by the Ordinary General Meeting to be held on 2023, according to the legal and

statutory forecast. The payment of the dividends declared herein will be made on May 18, 2022 based on the stock position on May 6, 2022 and the stock will start to be negotiated on an "ex-dividend" basis as of May 9, 2022.

7. Closing: There being no further business, the meeting was ended and this minutes being drawn-up, which was read and approved and was signed by the attending Directors and by the Secretary.

São Paulo, May 3rd, 2022.

Paulo Sergio 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 and Isabella Saboya de Albuquerque. __________________________________________________________________________

I hereby certify that the text above constitutes the minutes from the Extraordinary Meeting of the Board of Directors held on May 3rd, 2022, registered in our own book.

Fábio Fernandes Medeiros

Secretary

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