MATERIAL FACT

Ambipar Participações e Empreendimentos S.A. ("Ambipar" or "Company") (B3: AMBP3) in compliance with Article 157, paragraph 4, of Law 6,404, dated December 15, 1976, as amended, Instruction of the Brazilian Securities Commission (Comissão de Valores Mobiliários) ("CVM") No. 358, dated January 3, 2002, as amended, hereby informs its shareholders and the market in general that a request has been filed, on this date, to register an initial public primary offer of common shares issued by Environmental ESG Participações S.A. ("Shares" and "ESG", respectively), a subsidiary of the Company that consolidates the activities of the Environment segment which comprises (i) environmental solutions related to the waste management and valorization (pre and post-consumer)and (ii) greenhouse gases management and origination of carbon credits, to be held in Brazil, in an over-the-countermarket, under the terms of CVM Instruction No. 400 and other applicable legal provisions, under the coordination of financial institutions that are part of the securities distribution system, including efforts to place the Shares abroad (the "Offer").

The Offer was approved at ESG's General Shareholder Meeting held on this date, together with the submission of ESG's application to join the Novo Mercado special listing segment of the São Paulo Stock Exchange (B3 S.A. - Brasil, Bolsa, Balcão).

In the context of the preparation to the Offer, the former CEO of the Company, Ms. Izabel Cristina Andriotti Cruz de Oliveira resigned from her position and was elected as ESG's CEO. To replace her, Mr. Leon Tondowski was elected, on the date hereof, as the CEO of the Company.

The Board of Directors of ESG shall establish the following terms in due course: (a) the quantity of shares to be issued within the scope of the Offer; and (b) the sale price of the Shares, as may be agreed upon on the Offer's pricing date, upon the conclusion of the bookbuilding process with institutional investors, to be carried out in Brazil and abroad, in accordance with the provisions of article 44 of CVM Instruction No. 400.

The Company reaffirms that the launch of the Offer and the definition of its volume are subject, among other factors, to the competent corporate approvals, to the favorable political and macroeconomic conditions, to the interest of investors and other factors beyond the Company and ESG's will.

The Company will update the market on developments related to the Offer.

This Material Fact is for informational purposes only pursuant to applicable legislation and does not constitute an offer to sell or the solicitation of an offer to buy any securities, including the Shares, and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that jurisdiction. No registration of the Offer or shares will be made with any securities regulator of any country, except for the CVM in Brazil.

The Offer has not been, and will not be, registered under the U.S. Securities Act of 1933 ("Securities Act"), as amended, or any other securities laws of the United States or any state of the United States or any other jurisdiction, and the Shares may not be offered, sold, pledged or otherwise transferred in the United States or to U.S. investors absent

registration or an exemption from registration under the Securities Act.

São Paulo, August 18th 2021.

Ambipar Participações e Empreendimentos S.A.

Thiago da Costa Silva

Chief Financial Officer and Investor Relations Officer

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Ambipar Participações e Empreendimentos SA published this content on 18 August 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 18 August 2021 23:33:05 UTC.