Mr Gabrielli is also leaving Petrobras’ Board of Directors, which elected Ms Silva Foster as new member.

Ms Silva Foster has worked at Petrobras for 31 years, and has Director for Gas and Energy and Chief Executive Officer (CEO) of Gaspetro – Petrobras Gás S.A since 2007. She has a Bachelor's Degree in Chemical Engineering from the Federal Fluminense University, a Master's Degree in Chemical Engineering, and a Post-Graduate Degree in Nuclear Engineering from the Rio de Janeiro Federal University. She also has a MBA in Economics from Fundação Getulio Vargas.

In addition to occupying various executive level positions in Petrobras, Ms Silva Foster has been CEO of Petroquisa – Petrobras Química S.A., and CEO and Chief Financial Officer of Petrobras Distribuidora S.A. She is Chairwoman of the Board of TBG - Transportadora Brasileira Gasoduto Bolívia-Brasil S.A., and TAG – Transportadora Associada de Gás S.A, and is member of the Board of Directors of Transpetro – Petrobras Transporte S.A., Petrobras Biocombustível S.A. and Braskem S.A.

In her career, she was also Secretary of Oil, Natural Gas and Renewable Fuels at the Brazilian Ministry of Mines and Energy from January 2003 to September 2005.

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Petrobras said “[The company] is grateful for the contributions made by Mr Gabrielli as CEO and member of its Board. We thank Mr Gabrielli for his leadership skills, technical competence and high level of professionalism and dedication during his administration.”