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 December, 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 ___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 discloses teaser for sale of its stake in TAG

Rio de Janeiro, December 11, 2019 – Petróleo Brasileiro S.A. – Petrobras reports that it has started the opportunity disclosure stage (teaser), relating to the sale of its remaining stake (10%) in Transportadora Associada de Gás S.A. (“TAG”).

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

Upcoming key steps of the project will be timely informed to the market.

This disclosure complies with Petrobras’ divestment guidelines and the special regime of asset divestment by federal mixed capital companies, provided for in Decree 9,188/2017.

This transaction is in line with the portfolio optimization and the improvement of the company’s capital allocation, aiming at maximizing value for our shareholders.

About TAG

TAG is a company operating in the natural gas transportation industry, currently holding long-term permits to operate and manage a 4,500 km gas pipeline system, located mainly in the North and Northeast regions of Brazil, with installed capacity of 75 MM m³/d.

The group formed by ENGIE and the Canadian fund Caisse de Dépôt et Placement du Québec has a 90% stake in TAG, acquired from Petrobras earlier this year in June.

This material is being provided pursuant to Brazilian regulatory requirements, does not constitute an offering, under the U.S. securities laws, and is not a solicitation, invitation or offer to 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/ri

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: December 11, 2019.

PETRÓLEO BRASILEIRO S.A—PETROBRAS

By: /s/ Andrea Marques de Almeida

______________________________

Andrea Marques de Almeida

Chief Financial Officer and Investor Relations Officer