RIO DE JANEIRO, March 11 (Reuters) - Brazil's state-run oil company Petrobras' Chief Executive Jean Paul Prates said on Monday that he is not planning to leave his role after a board decision to withhold extraordinary dividends sent shares tumbling on Friday.

Prates told Reuters that a meeting he is set to have with President Luiz Inacio Lula da Silva on Monday was already planned before last week's decision. (Reporting by Rodrigo Viga, Writing by Fabio Teixeira; Editing by Kylie Madry)