Exhibit 99.1 AMBIPAR EMERGENCY RESPONSE Condensed Consolidated Interim Statement of Financial Position (Unaudited) As of June 30, 2024, and December 31, 2023 AMBIPAR EMERGENCY RESPONSE The accompanying notes are an integral part of the Unaudited Condensed Consolidated Interim Financial Statements. Condensed Consolidated Interim Statements of Financial Position (Unaudited) As of June 30, 2024 and December 31, 2023 (Values expressed in thousands of Brazilian Reais) | --- | --- | --- | --- | |----------------- ...

Exhibit 99.1 AMBIPAR EMERGENCY RESPONSE Condensed Consolidated Interim statement of financial position (Unaudited) As of March 31, 2024, and December 31, 2023 AMBIPAR EMERGENCY RESPONSE Condensed Consolidated Interim statements of financial position As of March 31, 2024 and December 31, 2023 (Amounts expressed in thousands of Brazilian Reais, except earnings per share) Assets March 31, 2024 | --- | --- | --- | --- | |------------------------------------------------|-------|-------------|-------------------| ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2024 Commission File Number: 001-41638 AMBIPAR EMERGENCY RESPONSE (Exact name of registrant as specified in its charter) Avenida Angélica, nº 2346, 5th Floor São Paulo, São Paulo, Brazil, 01228-20 0 Tel: +55 (11) 3526-3526 (Address of principal executive office) Indicate by check mark whether the re ...

| --- | --- | |----------------------|--------------------------------------------------| | | | | Washington, DC 20549 | UNITED STATES SECURITIES AND EXCHANGE COMMISSION | | | FORM 20-F | (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANG ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES ...