Ambipar Emergency Response approves executive changes. Company, had received written notice, pursuant to Article 21.2(a) of the memorandum and articles of association of the Company, from Ambipar Participações e Empreendimentos S.A., a sociedade anônima organized under the laws of Brazil, that Marco Antonio Zanini be appointed as an independent director of the Company with immediate effect, to hold office in accordance with the Articles. It is noted that the Director had accepted his appointment on the basis that the exculpation and indemnification provisions of the Articles would be deemed to form part of his service contract and/or terms of employment with the Company and accordingly that these would be enforceable against the Company.

The Board has reviewed, considered and discussed the composition of the Audit Committee, and has determined that it is in the best interests of the Company to reconstitute the Audit Committee The Board has determined that it is in the best interest of the Company to (i) appoint Marco Antonio Zanini to, and (ii) remove Thiago da Costa Silva from, in each case, the Audit Committee. (iii)It is resolved that the Board hereby (i) appoints Marco Antonio Zanini to, and (ii) removes Thiago da Costa Silva from, in each case, the Audit Committee.