Ambipar Participações e Empreendimentos S A : Notice to the Market - Acquisition of 100% of the share capital of Professional Emergency Resource Services (“PERS”)

NOTICE TO THE MARKET

Ambipar Participações e Empreendimentos S.A. ("Ambipar" OU "Companhia") (B3: AMBP3), hereby inform its shareholders and the market in general that, on this date, Ambipar Holding USA has completed the acquisition of 100% of the share capital of Professional Emergency Resource Services ("PERS"), a company specialized in [L1] services located in Ogden, Utah.

With 27 years of L1 emergency response know-how, PERS has a highly qualified staff of 44 multidisciplinary Hazmat professionals who speak more than 200 languages. Its 24-hour emergency call center is located in the state of Utah in the United States and provides services for several countries around the world. PERS has more than 4,000 customers by subscription and, in 2020, handled more than 220,000 calls. With the acquisition, Ambipar becomes the first "one stop shop" company in the United States to offer L1/L2/L3 services.

This acquisition is in line with the Company's expansion plan in North America, which now has 20 bases strategically located in the region, with presence in 11 states in the United States.

With the incorporation of PERS to its portfolio of companies, Ambipar Response positions itself in the emergency response market as a company capable of managing and operating in a standardized manner, with a high level of quality, its North American operations, 24 hours a day, 7 days a week.

Our Emergency Response Center operates with a multidisciplinary and specialized technical team, with high-tech tools in Geoprocessing interconnected with relational database systems and a state- of-the-art telephone system. This enables Ambipar USA to interconnect emergency response

specialists located in more than 200 operational bases in 18 countries. The communication system also makes possible the interconnection of our call centers in Latin America, North America and the United Kingdom, assuring our customers a high level of safety in national and international transportation of hazardous and non-hazardous cargo.

For Ambipar, this acquisition: (i) represents the Company's geographic expansion over the United States; (ii) allows access to strategic information regarding accidents that demand L2/L3 services;

1. increases the company's portfolio of services, enabling a single emergency service provider across the entire chain, increasing the entry barriers (iv) generates operational and administrative synergies and cross selling opportunities, in line with its strategic growth plan, with synergy capture and potential maximization of margins and return.

The Company clarifies that this acquisition will not be submitted to its shareholders for approval, nor will it give rise to withdrawal rights, considering that (i) it was carried out through its subsidiary, which is privately held; and (ii) the price paid for the acquisition does not exceed one and a half times the highest of the three amounts provided for in article 256, II of the Brazilian Corporation Law.

São Paulo, July 30, 2021.

Ambipar Participações e Empreendimentos S.A.

Thiago da Costa Silva

Chief Financial Officer and Investor Relations Officer