UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of July, 2023

Commission File Number 1-15106

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian Petroleum Corporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Henrique Valadares, 28 – 19th floor 
20231-030 – Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. 

Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No___X____

Petrobras on contract with COMGÁS

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Rio de Janeiro, July 11, 2023 - Petróleo Brasileiro S.A. – Petrobras announces that, as a follow-up to the release disclosed on May 29, 2023, it has entered into a new natural gas contract with Companhia de Gás de São Paulo ("Comgás"), effective from January 2024 until December 2034, in the estimated amount of R$ 56 billion.

The contract is the result of the Public Call for Tenders 01/2023 held by Comgás, which aims to supply gas to serve Comgás' regulated market, whose concession area is located in the state of São Paulo, reinforcing the commercial partnership between the companies.

In accordance with the established regulatory procedures, the contract will be sent to the ANP, which is responsible for publicizing it in compliance with ANP Resolution No. 52/2011, which, in paragraph 6 of article 11, provides that the Agency will give full publicity to natural gas purchase and sale contracts signed between traders and local piped gas distributors to serve captive markets.

Facts deemed material will be timely disclosed to the market.

.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

e-mail: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. Henrique Valadares, 28 – 9th floor – 20031-030 – Rio de Janeiro, RJ.

Phone: 55 (21) 3224-1510/9947 | 0800-282-1540

This document may contain forecasts within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), and Section 21E of the Securities Trading Act of 1934, as amended (Trading Act) that reflect the expectations of the Company's officers. The terms: "anticipates", "believes", "expects", "predicts", "intends", "plans", "projects", "aims", "should," and similar terms, aim to identify such forecasts, which evidently involve risks or uncertainties, predicted or not by the Company. Therefore, future results of the Company's operations may differ from current expectations, and the reader should not rely solely on the information included herein.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 11, 2023

PETRÓLEO BRASILEIRO S.A–PETROBRAS

By: /s/ Sergio Caetano Leite

______________________________

Sergio Caetano Leite

Chief Financial Officer and Investor Relations Officer