Estre Ambiental, Inc. announced that Mr. Sergio Pedreiro has resigned as Chief Executive Officer and Interim Chief Financial Officer as of January 3, 2020, but remains a Director on the Board of Directors; Mr. Julio Cesar de Sal Volotao has been appointed as interim Chief Executive Officer as of January 13, 2020, which position is a member of the management of the Company but not a Director on the Board of Directors; Mr. Rogerio Wellausen has been appointed as interim Chief Financial Officer as of January 13, 2020, which position is a member of the management of the Company but not a Director on the Board of Directors; and Mr. Paulo Gozzi has been appointed as a Director on the Board of Directors as of January 13, 2020. Mr. Julio Cesar de Sal VolotaÞo is Estre's general counsel and human resources director. Prior to his work at Estre, Mr. VolotaÞo headed the legal department at Grupo Ecorodovias and also worked at Clifford Chance LLP's London office.

Mr. Rogerio Wellausen is an executive with more than 25 years' experience working in national and multinational public companies. Prior to joining Estre, during his career Mr. Wellausen worked in management positions at Sandretto, Avaya, Aircom, Terex and Brunswick, including holding positions as Corporate Controller, Finance Manager and Finance Director. In addition, Mr. Wellausen was a Professor at the University of Guarulhos from 2012 to 2015, teaching advanced accounting and controllership.

Mr. Gozzi is a partner and co-founder of Re-Think Resilience Governance, a position he has held since 2018. Mr. Gozzi previously worked as chief financial and legal officer for CSN Mineração between 2016 and 2017, at Nacional Minérios as chief financial officer between 2012 and 2015 and as general counsel between 2009 and 2015 and as general legal manager at Companhia Siderúrgica Nacional between 2003 and 2008.