August 27, 2020
Petro Rio S.A. (“Company” or “PetroRio”) hereby informs its shareholders and the market in general, in compliance with CVM Instruction No. 358, of January 3, 2002, that, on this date, a
meeting of the Company’s Board of Directors (“RCA”) was held, at which the following was approved:
(i) The ratification of the hiring of Ernst & Young Auditores Independentes S.S. (“EY”) to provide external and independent auditing services for the annual financial statements (DFs) for the years ended on 12.31.2019 and 12.31.2018, replacing Lopes, Machado Auditores (“BKR”), in addition to the services referred to in the Notice to the Market of March 31, 2020;
(ii) The restatement of the Company’s financial statements for the year ended December 31, 2019, with the resubmission of the financial statements for the year ended in December 31, 2018, adjusted due
to discussions within the scope of work of the independent auditing company EY.
(iii) As a result of the adjustments to the financial statements for the year ended 12.31.2019 and 12.31.2018, the restatement of the quarterly information forms for the three- and six-month periods ended June
30, 2019 and June 30, 2020, and the three-month period ended on March 31, 2020.