Petro Rio S.A. announced to its shareholders that Mr. George Kassab has resigned from his position as Investor Relations Officer, for personal reasons. At a meeting held on this date, the Board of Directors has chosen to accept said resignation, having Mr. George Kassab retired from his duties as Investor Relations Officer of the Company. On the same occasion, the Board of Directors has appointed Mr. Roberto Bernardes Monteiro, who will be incorporating the position of Investor Relations Officer. Mr. Jose Gustavo Costa Junior, who has been working with Investor Relations in the Company since February 2019, will be appointed to the position of Investor Relations Manager. The Company wishes Mr. Jose Gustavo Costa Junior the best of luck in his new role.