OREANDA-NEWS. March 4, 2011. HRT Participacoes em Petroleo S.A (the “Company” or “HRT”)(BM&FBOVESPA: HRTP3) hereby announces that, pursuant to the First Stock Option or Common Share Subscription Program of HRT Participacoes em Petroleo S.A. (“Stock Option Plan”), clause 4, item 4.2.5, the Company’s Executive Board authorized on February 10, 2011, a capital increase totaling RUSD  28,532.00 (twenty-eight thousand, five hundred and thirty-two Brazilian reais) through the issue of 28,532 (twenty-eight thousand, five hundred and thirty two) common shares, registered, book-entry shares, without par value, subscribed and paid in national currency.

It also should be noted that these shares will be fully entitled to any dividends and interest on equity declared by the Company.

As a result, the Company’s capital stock now comprises RUSD  2,479,508,668.21 (two billion, four hundred and seventy-nine million, five hundred and eight thousand, six hundred and sixty-eight Brazilian reais and twenty-one centavos), divided into 4,647,881 (four million, six hundred and forty-seven thousand, eight hundred and eighty-one) common, bookentry shares, with no par value. The Company’s capital and Article 5 of the Company’s Bylaws will be duly altered according an Extraordinary Shareholders’ Meeting.