Initial Statement of Beneficial Ownership

Tercio Borlenghi Junior, a director of Ambipar Emergency Response, has filed an initial statement of beneficial ownership (Form 3) detailing his holdings as of March 17, 2026. The filing includes information on Class B Ordinary Shares, which are convertible into Class A Shares under certain conditions, as noted in footnotes. The reporting owner is associated with Ambipar Participations & Enterprises S.A., and disclaims beneficial ownership except to the extent of his pecuniary interest.