PBR.A Petroleo Brasileiro ADR

Oil and Natural Gas Production on June

Rio de Janeiro, Jully 10^th, 2015 – Petróleo Brasileiro S.A. – Petrobras announces that, on June 2015, its oil and natural gas production was 2 million 746 thousand barrels of oil equivalent per day (boed), in Brazil and abroad, 0.7% lower than the volume produced on May (2 million 766 thousand boed) and 4.3 % superior to the volume produced on June 2014 (2 million 633 thousand boed).

Oil and gas production in Brazil

Petrobras total oil and gas production was 2 million 553 thousand boed, 0.1% lower than previous month (2 million 574 thousand boed).

The Company´s exclusive oil production in Brazil was 2 million 88 thousand barrels of oil per day (bdp), 1.1% lower than in the previous month (2 million 111 thousand bpd). Such reduction is mainly due to the bigger quantity of platforms´ scheduled maintenance shutdowns on June.

Petrobras own natural gas production in Brazil, excluding the liquefied volume, was 73 million 886 thousand m³/day, 0.4% above the whole production in May (73 million 593 thousand bpd).

Pre-Salt production

In June, new production records in Pre-salt were achieved by Petrobras. In June 26^th, 2015, the pre-salt daily production achieved 811 barrels per day (bpd), 1.1% above than the last record, achieved in April 11^th, 2015 (802 mil bpd). The monthly operated production also achieved its best level, reaching 747 thousand bpd, 2.9% higher than the volume achieved in May (726 thousand bpd).

Oil and Gas Production abroad

Abroad, 193 thousand barrels of oil equivalent per day (boed) were produced, equivalent to 192 thousand boed produced in May, keeping the good performance in Lucius e Saint Malo platforms, located in the Gulf of Mexico, in the United States.

The oil production was 102 thousand of barrels of oil per day (bpd), the same level of 101 thousand bpd in the previous month, due to the performance of the mentioned platforms.

The natural gas average production abroad was 15.4 million m³/d, a stable production compared to May, 15.3 million m³/d.

www.petrobras.com.br/ir

Contacts:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations Department I e-mail: petroinvest@petrobras.com.br

Av. República do Chile, 65 – 10th floor, 1002 – B – 20031-912 – Rio de Janeiro, RJ | Phone: 55 (21) 3224-1510 / 3224-9947

FORWARD-LOOKING STATEMENTS

This release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that are subject to risks and uncertainties. The forward-looking statements, which address the Company’s expected business and financial performance, among other matters, contain words such as “believe,” “expect,” “estimate,” “anticipate,” “optimistic,” “intend,” “plan,” “aim,” “will,” “may,” “should,” “could,” “would,” “likely,” and similar expressions. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. There is no assurance that the expected events, trends or results will actually occur. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information or future events or for any other reason.

The Company’s actual results could differ materially from those expressed or forecast in any forward-looking statements as a result of a variety of assumptions and factors. These factors include, but are not limited to, the following: (i) failure to comply with laws or regulations, including fraudulent activity, corruption, and bribery; (ii) the outcome of ongoing corruption investigations and any new facts or information that may arise in relation to the “Lava Jato Operation”; (iii) the effectiveness of the Company’s risk management policies and procedures, including operational risk; and (iv) litigation, such as class actions or proceedings brought by governmental and regulatory agencies.  A description of other factors can be found in the Company’s Annual Report on Form 20-F for the year ended December 31, 2014, and the Company’s other filings with the U.S. Securities and Exchange Commission.