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 September, 2019

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 República do Chile, 65

20031-912 - 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  ☒            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  ☒

Petrobras announces CARF’s favorable decision regarding the deductibility of production development expenses for IRPJ and CSLL calculation purposes

Rio de Janeiro, September 18, 2019—Petróleo Brasileiro S.A.—Petrobras informs that today the Administrative Board of Tax Appeals (CARF) issued a favorable decision on a tax administrative process regarding the moment of the deduction of expenses incurred by Petrobras with oil and gas production development, for purposes of Corporate Income Tax (IRPJ) and the Social Contribution on Net Income (CSLL) calculation, in the years of 2012 and 2013, in the approximate amount of R$ 16.4 billion.

The company emphasizes that this contingency´s expectation current classification is remote loss and, therefore, information about this proceeding is not presented in the company’s financial statements. Today’s decision does not change this classification.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A.—PETROBRAS | Investor Relations

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

Av. República do Chile, 65 – 1002 – 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 management. 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, the 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 18, 2019.

PETRÓLEO BRASILEIRO S.A—PETROBRAS
By:	/s/    Andrea Marques de Almeida
	Andrea Marques de Almeida
	Chief Financial Officer and Investor Relations Officer