Material fact - change in the company’s chief operating officer

MATERIAL FACT

CHANGE IN THE COMPANY'S CHIEF OPERATING OFFICER

The Company thanks Mr. Francilmar for his contributions to PRIO, particularly for the excellent operational performance achieved during his tenure leading the Operations area, and wishes him continued success.

The Board of Directors has elected Mr. Jean Carlos Calvi as Chief Operating Officer, effective as of today.

Jean is a petroleum engineer graduated from Universidade de Vila Velha, with approximately 18 years of experience in the oil and gas industry. He joined the Company in 2016 and, over nearly 10 years, has built his career at PRIO. Mr. Jean has been primarily responsible for the implementation of several transformational projects, including the Polvo drilling campaign in 2018, the Tubarão Martelo tieback in 2021, the Frade drilling campaign in 2022, and the recent Wahoo tieback.

PRIO is the largest independent company 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 re-exploration of assets, increased operational efficiency and reduction of production costs and corporate expenses. PRIO'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: https://www.petroriosa.com.br.

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.