Dr. Dulce is co-chairwoman of Dasa’s board of directors. She dedicated her professional career to healthcare and hospital operations-related activities.

In 1971, Dr. Dulce co-founded Casa de Saúde São José, the inception of Grupo Amil. Dr. Dulce was controlling shareholder of Amil Assistência Médica Internacional, Ltda. founded in 1972, which became the largest health insurance provider and operator of various hospitals and clinics in Brazil. In 2012, this company was sold to UnitedHealth Group Inc., one of the USA’s leading healthcare companies.

Dr. Dulce also held the following positions: (i) co-founder and officer at Hospital SOMICOL, currently known as Hospital Mario Lioni, and the first pediatric intensive care unit in Latin America, from 1972 to 1984; (ii) superintendent at Amil Previdência Privada, insurance company, an arm of Grupo Amil, from 1984 to 1986; (iii) customer service officer at Amil, from 1986 to 1988; (iv) superintendent at ESHO – Empresa de Serviços Hospitalares S.A., a holding of 17 hospitals, from 1988 to 1990; (v) chairwoman of the boards of directors of Amil International Insurance Company, Inc. and Amil International (Texas), Inc., insurance companies, from 1996 to 2005; (vi) vice chairwoman of Amil Participações S.A.’s board of directors, from 2007 to 2012; (vii) chairwoman of the sustainability committee, from 2012 to 2013; and (viii) chairwoman of the boards of directors of Amil LifeSciences, from 2010 to 2014, and Excellion, from 2012 to 2014, both in the management of medical training companies and research.

Dr. Dulce holds a degree in medicine from the Federal University of Rio de Janeiro (UFRJ) in 1971. She holds the following titles at UFRJ: pediatric specialist in 1972, post-PhD in medicine (master’s degree) with specialization in pediatrics in 1976, and an MBA from COPPEAD in 1984. In 2000, she obtained a Ph.D. in business administration, with a specialization in health from the University of Texas, Austin. From 1973 to 1978, Dr. Dulce was an Assistant Professor in the Pediatrics Department of the Faculty of Medicine of the Catholic University of Petrópolis.

Mr. Pedro Bueno served as the Company’s Chief Executive Officer from 2014 to 2023, when he became a member of the Board of Directors, being later elected as Vice-Chair. He does not qualify as an independent director under the terms of the Novo Mercado Regulation and Annex K of CVM Resolution 80. Pedro holds a degree in Economics from the Pontifícia Universidade Católica do Rio de Janeiro (PUC-RJ), having worked at Credit Suisse in 2012, Banco BTG Pactual in 2013, and, previously, at Amil. He is currently a Partner at DNA Capital, a company focused on equity investments in the healthcare sector, and a member of the Board of Directors of Localiza Rent a Car.

Dr. Henrique is a member of Dasa’s board of directors.

Dr. Henrique held the following positions: (i) orthopedic surgeon at Hospital Rede Esho 2002 – 2005-Amil Resgate Saúde’s CEO, from 2005 to 2015; (ii) medical supplies officer at Amil International Insurance/United Healthcare and 32 hospitals, from 2005 to 2013; (iii) he participated in IPO and Road Show of Amil International Insurance, in October 2007; and, (iv) Hospital das Américas’ CEO, Brazil’s largest private hospital at that time, from 2009 to 2014.

Dr. Henrique has been a member of Rede Ímpar’s board of directors, since 2013 and Grupo Dasa, since 2016; also Patrys Investimentos Imobiliários LTDA’s CEO.

Dr. Henrique holds a degree in medicine from UNIG, Rio de Janeiro, in 2002. He holds the following titles: (i) orthopedic surgery – Federal University of Rio de Janeiro (UNI-RIO) 2003 – 2005; (ii) Executive MBA in health – UFRJ – COPPEAD – 2006 – 2007; (iii) corporate governance in family companies – IBGC (Brazilian Institute of Corporate Governance) – 2007; (iv) corporate governance in health – IBGC (Brazilian Institute of Corporate Governance) – 2009; (v) Harvard Business School – OPM IV (Owner/President Management) – 2011.

Mr. Stelleo is an independent board member of Dasa.

Mr. Stelleo holds a bachelor’s degree and a Master’s degree in Mechanical Engineering from Stanford University with an MBA from Stanford Graduate School of Business. Mr. Stelleo is advisor and co-founder of Mercado Libre (NASDAQ: MELI), Latin America’s leading retail and online financial services company, over the past 23 years, he led the Brazilian operation, as regional COO and e-commerce officer. Mr. Stelleo also acts as investor, board member, and mentor for IT, consumer, education and fintech segments.

Mr. Romeu Domingues has a degree in Medicine from Universidade Federal do Rio de Janeiro in 1986, with a medical residency in Radiology and Diagnostic Imaging at the same university. He concluded postgraduate studies at Harvard University with a degree in Magnetic Resonance Imaging and is a IBGC-certified Board Member (Management and Business). He served as Scientific Director at Colégio Brasileiro de Radiologia e Diagnóstico por Imagem and, from January to April 2011, as the Company’s Imaging Vice President. From April 2012 to June 2012, he served as the Company’s CEO. Romeu was also a member of the Boards of Directors of Rede Ímpar, SulAmérica, Jaleko, Anestech, Associação Nacional de Hospitais (ANAHP) and Aggir Venture Capital (where he is also founder). He is also a member of the Board of Directors of Conexa Saúde (where he is also a Co-Founder) and Nefroclínicas and is Founder of the Associação Brasileira de Medicina Diagnóstica (ABRAMED). Romeu was also a Founding Partner and Director of Multi-Imagem Ressonância, CDPI – Imaging Diagnostic Clinic, and IRM Resonância Magnética Ltda.

Mr. Oscar de Paula Bernardes Neto has a degree in Chemical Engineering from Universidade do Federal do Rio de Janeiro and has been a Managing Partner of Yguaporã Consulting and Enterprises Ltda. since 1999. From 2004 to 2011, he served as Managing Partner of Íntegra Associados Reestruturação Empresarial Ltda., a consulting firm specializing in financial restructuring. He is currently a member of the Board of Directors of the following companies: (i) Sendas Distribuidora S.A. (Assaí Atacadista), (ii) Jalles Machado S.A. and (iii) Votorantim S.A. From 1999 to 2003, he was Chair of the Board of Directors of TIW do Brasil, a Canadian telecommunications company and, from 1996 to 1999, he served as CEO of Bunge International, a global leader in agribusiness and food. Prior to joining Bunge, he was a Senior Vice President and Partner for Latin America at Booz Allen and Hamilton. Previously, he served as Brazil Operations Director for Ferro Corporation. Oscar was also a member of the Board of Directors of the following companies: (i) Companhia Suzano de Papel e Celulose; (ii) Gerdau S.A. and Metalúrgica Gerdau S.A., publicly traded companies of Grupo Gerdau; (iii) Marcopolo S.A.; (v) Praxair Inc. (USA); (vi) Localiza Rent a Car S.A.; and (vii) Mosaic (USA). Oscar also served as Senior Advisor to the CEO of Johnson Electric (Hong Kong) and Advisor to the Board of Directors of Davos Participações Ltda., a company operating in the commercial development sector. He also served as a member of the Advisory Board of Bunge Brasil S.A., Alcoa Brasil, Amyris, whose main activity is to manufacture and sell renewable products, and Vanguarda S.A., a company in the agriculture sector.

Maria Letícia de Freitas Costa is a member of the Board of Directors of Dasa. She is currently a partner at SLP Consultoria e Treinamento and serves on the Boards of Localiza S.A., Mapfre S.A., Auren Energia S.A. and Totvs S.A. Earlier, she served on the Boards of Technip S.A., Sadia S.A., Martins, Gafisa, Embraer and Marcopolo, and on the advisory committees to the Board of Directors of Votorantim Industrial, Votorantim Metais, CBA and Bematech. Maria Letícia holds a degree in Production Engineering from the Polytechnic
School of the University of São Paulo and an MBA from the Cornell University SC Johnson College of Business.

Mrs. Viviane Pinto Mendes holds the position of a member of the audit committee of Dasa and controllership manager at Signo Investimentos.

Her professional experience over the past five years includes Rede Impar and Signo Investimentos, companies in the health and investments sectors, respectively. Previously, she held the positions of internal controls manager, controller, member of the audit committee, and executive.

Maria Letícia de Freitas Costa is a member of the Board of Directors of Dasa. She is currently a partner at SLP Consultoria e Treinamento and serves on the Boards of Localiza S.A., Mapfre S.A., Auren Energia S.A. and Totvs S.A. Earlier, she served on the Boards of Technip S.A., Sadia S.A., Martins, Gafisa, Embraer and Marcopolo, and on the advisory committees to the Board of Directors of Votorantim Industrial, Votorantim Metais, CBA and Bematech. Maria Letícia holds a degree in Production Engineering from the Polytechnic School of the University of São Paulo and an MBA from the Cornell University SC Johnson College of Business.

Mrs. Estela Maris Vieira de Souza holds a degree in Business Administration and Accounting from PUC-RS, MBAs in Service Marketing from FIA and Digital Business from Universidade Positivo, and a master’s degree in Accounting and Controllership from USP. She began her career at PricewaterhouseCoopers in 1987, where she worked until 2018 as Audit Partner, member of the Executive Committee, and Leading Partner in the Technology, Infocomm, Entertainment and Media segment for Brazil and South America. She is currently a member of the Board of Directors and Coordinator of the Audit Comitte of Vasta Platform, Coordinator of the Audit Committees of DASA, Iguatemi, Localiza and Track&Field, and member of the Audit Committees of Alpargatas and WEG.

Mr. Pedro Bueno served as the Company’s Chief Executive Officer from 2014 to 2023, when he became a member of the Board of Directors, being later elected as Vice-Chair. He does not qualify as an independent director under the terms of the Novo Mercado Regulation and Annex K of CVM Resolution 80. Pedro holds a degree in Economics from the Pontifícia Universidade Católica do Rio de Janeiro (PUC-RJ), having worked at Credit Suisse in 2012, Banco BTG Pactual in 2013, and, previously, at Amil. He is currently a Partner at DNA Capital, a company focused on equity investments in the healthcare sector, and a member of the Board of Directors of Localiza Rent a Car.

Mr. Romeu Domingues has a degree in Medicine from Universidade Federal do Rio de Janeiro in 1986, with a medical residency in Radiology and Diagnostic Imaging at the same university. He concluded postgraduate studies at Harvard University with a degree in Magnetic Resonance Imaging and is a IBGC-certified Board Member (Management and Business). He served as Scientific Director at Colégio Brasileiro de Radiologia e Diagnóstico por Imagem and, from January to April 2011, as the Company’s Imaging Vice President. From April 2012 to June 2012, he served as the Company’s CEO. Romeu was also a member of the Boards of Directors of Rede Ímpar, SulAmérica, Jaleko, Anestech, Associação Nacional de Hospitais (ANAHP) and Aggir Venture Capital (where he is also founder). He is also a member of the Board of Directors of Conexa Saúde (where he is also a Co-Founder) and Nefroclínicas and is Founder of the Associação Brasileira de Medicina Diagnóstica (ABRAMED). Romeu was also a Founding Partner and Director of Multi-Imagem Ressonância, CDPI – Imaging Diagnostic Clinic, and IRM Resonância Magnética Ltda.

Mr. Oscar de Paula Bernardes Neto has a degree in Chemical Engineering from Universidade do Federal do Rio de Janeiro and has been a Managing Partner of Yguaporã Consulting and Enterprises Ltda. since 1999. From 2004 to 2011, he served as Managing Partner of Íntegra Associados Reestruturação Empresarial Ltda., a consulting firm specializing in financial restructuring. He is currently a member of the Board of Directors of the following companies: (i) Sendas Distribuidora S.A. (Assaí Atacadista), (ii) Jalles Machado S.A. and (iii) Votorantim S.A. From 1999 to 2003, he was Chair of the Board of Directors of TIW do Brasil, a Canadian telecommunications company and, from 1996 to 1999, he served as CEO of Bunge International, a global leader in agribusiness and food. Prior to joining Bunge, he was a Senior Vice President and Partner for Latin America at Booz Allen and Hamilton. Previously, he served as Brazil Operations Director for Ferro Corporation. Oscar was also a member of the Board of Directors of the following companies: (i) Companhia Suzano de Papel e Celulose; (ii) Gerdau S.A. and Metalúrgica Gerdau S.A., publicly traded companies of Grupo Gerdau; (iii) Marcopolo S.A.; (v) Praxair Inc. (USA); (vi) Localiza Rent a Car S.A.; and (vii) Mosaic (USA). Oscar also served as Senior Advisor to the CEO of Johnson Electric (Hong Kong) and Advisor to the Board of Directors of Davos Participações Ltda., a company operating in the commercial development sector. He also served as a member of the Advisory Board of Bunge Brasil S.A., Alcoa Brasil, Amyris, whose main activity is to manufacture and sell renewable products, and Vanguarda S.A., a company in the agriculture sector.