Petrobras - Petroleo Brasileiro SA 6-K, filed Sep 8, 2021

UNITED STATES

SECURITIES AND EXCHANGECOMMISSION

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 ofSeptember, 2021

Commission File Number1-15106

PETRÓLEO BRASILEIROS.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian PetroleumCorporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Repúblicado Chile, 65 20031-912 – Rio de Janeiro, RJFederative 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____

Petrobrasreleases teaser of E***&Passets in the Santos Basin***

—

Rio de Janeiro, September 08, 2021 - Petróleo Brasileiro S.A. – Petrobras informs that it has started the opportunity disclosure stage (teaser), referring to the sale of the totality of its stake in the Uruguá and Tambaú fields, belonging to the BS-500 concession, located in the Santos Basin, in the state of Rio de Janeiro.

The teaser, which includes key information about the opportunity, as well as the eligibility criteria for the selection of potential participants, is available on the Petrobras´ Investor Relations website: https://www.investidorpetrobras.com.br/en/results-and-notices/teasers.

The main subsequent stages of the project will be reported to the market in due course.

This disclosure is in accordance with Petrobras' internal rules and with the provisions of the special procedure for assignment of rights to exploration, development and production of oil, natural gas and other fluid hydrocarbons, provided for in Decree 9,355/2018.

This transaction is in line with the company's strategy of portfolio optimization, debt reduction, and capital allocation improvement, as it increasingly concentrates its resources in world-class assets in deep and ultradeep waters, where Petrobras has shown a great competitive edge over the years.

About Uruguá e Tambaú fields

The Uruguá and Tambaú fields belong to the BS-500 concession, which was acquired through the Zero Round of the National Agency of Petroleum, Natural Gas and Biofuels (ANP). The fields are located in the northern portion of the Santos Basin, between 140 and 160 km off the coast of the state of Rio de Janeiro, in water depths ranging from 1,000 to 1,500m. The fields' production, in 2020, was approximately 5 thousand bpd of oil and 918 thousand m^3^/day of gas. Petrobras holds a 100% stake in both fields.

This material is being provided pursuant to Brazilianregulatory requirements, does not constitute an offering, under the U.S. securities laws, and is not a solicitation, invitation or offerto buy or sell any securities. The information on our website is not and shall not be deemed part of this report on Form 6-K.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS| Investors Relations

email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. República do Chile, 65 – 1803 – 20031-912 – Rio de Janeiro, RJ.

Tel.: 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: September 08, 2021

PETRÓLEO BRASILEIRO S.A–PETROBRASBy: /s/ Rodrigo Araujo Alves

______________________________

Rodrigo Araujo Alves

Chief Financial Officer and Investor Relations Officer