Recent Updates — AMBI-WT

Ambipar Emergency Response announced that Ricardo Chagas resigned from his positions as Chief Executive Officer and Chief Financial Officer. The Board of Directors appointed Dennys Spencer as Interim Chief Executive Officer and Chief Financial Officer, effective immediately on August 5, 2026. Ambipar Emergency Response specializes in environmental services across six business units including emergency, fire, marine, medical, industrial, and environmental response, operating in 41 countries globally.

Ambipar Parent and Environmental ESG Participações S.A. executed a Restructuring Support Agreement (RSA) on July 9, 2026. The agreement was reached with Supporting Creditors who hold a majority of the 2031 Green Notes and the 2033 Green Notes issued by an Ambipar Emergency Response subsidiary. This agreement involves the restructuring of debt obligations originally issued on February 6, 2024, and February 5, 2025. Ambipar Emergency Response provides environmental services including emergency, fire, marine, medical, industrial, and environmental response across 41 countries.