Petro Rio S A : MATERIAL FACT - CHANGES IN MANAGEMENT

MATERIAL FACT

CHANGES IN MANAGEMENT

Rio de Janeiro, April 12, 2021 - PetroRio S.A. ("Company" or "PetroRio") (B3: PRIO3), in compliance with article 157 of Law 6404/1976, with CVM instruction 358/2002, and article 26 of the Novo Mercado Regulation, informs its shareholders and the market of the election of Mr. Milton Salgado Rangel Neto to the position of Chief Financial Officer of the Company.

In a meeting held on April 09, the Board of Directors resolved on the amendment of the designation of Mr. Roberto Bernardes Monteiro, who leaves the position of Chief Financial Officer, and the election of Mr. Milton Salgado Rangel Neto as the Company's Chief Financial Officer.

Mr. Milton Salgado Rangel Neto joined the Company in 2015 as Treasury Manager and was promoted to Head of Finance in 2017, actively participating in all financial activities and funding initiatives taken in recent years.

The Company's management expresses its full support to Mr. Milton Salgado Rangel Neto in his new designation.

About PetroRio

PetroRio is one of the largest independent companies in the oil and gas production in Brazil. The Company´s corporate culture seeks to increase production through the acquisition of new production assets, the redevelopment of assets, increased operational efficiency and reduction of production costs and corporate expenses. PetroRio's main objective is to create value for its shareholders with growing financial discipline and preserving its liquidity, with full respect for safety and the environment. For further information, please visit the Company's website: www.petroriosa.com.br.

Disclaimer

This news release contains forward-looking statements. All statements other than statements of historical fact contained in this news release are forward-looking statements, including, without limitation, statements regarding our drilling and seismic plans, operating costs, acquisitions of equipment, expectations of finding oil, the quality of oil we expect to produce and our other plans and objectives. Readers can identify many of these statements by looking for words such as "expects", "believe", "hope" and "will" and similar words or the negative thereof. Although management believes that the expectations represented in such forward-looking statements are reasonable, there can be no assurance that such expectations will prove to be correct. By their nature, forward-looking statements require us to make assumptions and, accordingly, forward-looking statements are subject to inherent risks and uncertainties. We caution readers of this news release not to place undue reliance on our forward-looking statements because a number of factors may cause actual future circumstances, results, conditions, actions or events to differ materially from the plans, expectations, estimates or intentions expressed in the forward-looking statements and the assumptions underlying the forward-looking statements.

Praia de Botafogo, 370 • 13º andar • Botafogo • 22250-040 • Rio de Janeiro/RJ

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petroriosa.com.br