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 HRT’s First Stock Option Plan (“Stock Option Plan №I”), approved by the Extraordinary Shareholders’ Meeting held on May 14, 2010, the Company increased its capital, due to the exercise of stock options by some participants in the amount of BRL 1,124.00 (one thousand, one hundred twenty-four Brazilian Reais), through the issuance of 56,200 (fifty-six thousand, two hundred) 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. Even existing future issuances resulting from the exercise of stock options already granted within the Stock Option Plan n° I, said Plan has been closed for future grantings. 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 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 779,453.10 (seven hundred seventy-nine thousand, four hundred fifty-three Brazilian Reais and ten cents), through the issuance of 351,105 (three hundred fifty-one thousand, one hundred five) 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.

Finally, 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 1,760,599.60 (one million, seven hundred sixty thousand, five hundred ninety-nine Brazilian Reais and sixty cents) through the issuance of 854,660 (eight hundred fifty-four thousand, six hundred sixty) 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.