OREANDA-NEWS. HRT Participates em Petroleo S.A. (the “Company” or “HRT”) (BM&FBOVESPA: HRTP3, TSX-V: HRP) announces the issuance of shares, due to the following events:

Under the terms of the Incentive Plan to Attract and Retain Strategic Collaborators, approved by the Extraordinary Shareholders' Meeting held on April 27, 2011, the Company increased its capital, due to the exercise of stock options by some of the participants, within the Retention Plan, in the amount of BRL 9,250.74 (nine thousand, two hundred fifty Brazilian Reais and seventy-four cents), through the issuance of 4,167 (four thousand, one hundred sixty-seven) new registered, book-entry, common shares with no par value, which were subscribed and fully paid up in national currency and delivered to the participants. Note that the shares issued as a result of the aforementioned event will be fully entitled to any dividends and interest on equity eventually declared by the Company.

Additionally, under the terms of the Performance Incentive Plan, approved by the Extraordinary Shareholders' Meeting held on April 27, 2011, the Company increased its capital, due to the exercise of stock options by some of the participants, in the amount of BRL 30,181.06 (thirty thousand, one hundred eighty-one Brazilian Reais and six cents), through the issuance of 14,651 (fourteen thousand, six hundred fifty-one) new registered, book-entry, common shares with no par value, which were subscribed and fully paid up in national currency and delivered to the participants. Note that the shares issued as a result of the aforementioned event will be fully entitled to any dividends and interest on equity eventually declared by the Company.

Including the above-mentioned issuance, the Company's current capital stands at BRL 3,957,900,149.93 (three billion, nine hundred fifty-seven million, nine hundred thousand, one hundred forty-nine Brazilian Reais and ninety-three cents), divided into 297,466,746 (two hundred ninety-seven million, four hundred sixty-six thousand, seven hundred forty-six) book-entry, registered common shares with no par value. The capital will be duly ratified and Article 5 of the Company's Bylaws will be amended accordingly at a future Extraordinary Shareholders' Meeting.