OREANDA-NEWS. HRT Participates em Petroleo S.A. (the “Company” or “HRT”) (BM&FBOVESPA: HRTP3, TSX-V: HRP), pursuant to Article 12 of CVM Instruction No. 358/02, informs that, on September 17th, 2013, it received a letter from the Putnam Investments, LLC Group (“Group”), dated September 6th, 2013, informing about the reduction in the material acquisition of common shares issued by HRT.

According to information provided in the referred letter, the investment management group, comprised of I.G. Investment Management (“IG”), Mackenzie Financial Corporation (“Mackenzie”) and Putnam Investments, LLC (“Putnam”), all of them being investment management firms, subsidiaries of Power Corporation of Canada, informed that since September 4th, 2013, as investment management firms, fund advisor and/or sub-advisor, the Group now owns 12,835,126 (twelve million, eight hundred thirty-five thousand, one hundred twenty-six) common shares issued by HRT, which represents 4.31% of the total common shares issued by the Company.

In addition, the Group holds 3,125,455 (three million, one hundred twenty-five thousand, four hundred fifty-five) GDSs issued in Canada, which can be converted into 1,562,727 (one million, five hundred sixty-two thousand, seven hundred twenty-seven) common shares of HRT, representing 0.53% of the total common shares issued by the Company.

Thus, the Group jointly owns 14,397,853 (fourteen million, three hundred ninety-seven thousand, eight hundred fifty-three) common shares, which constitutes a participation of 4.84% of the total common shares issued by the Company.

Additionally, the investors informed that all shares held by the Group were acquired and are held simply for an investment purpose. These shares, as well as other shares that may be acquired in the future, have no purpose to change the control composition or the administrative structure of HRT.