OREANDA-NEWS. October 8, 2012. HRT Participagoes em Petroleo S.A. (the “Company” or “HRT”) (BM&FBOVESPA: HRTP3, TSX-V: HRP) in compliance with the provisions of Article 12 of CVM Instruction 358/02, informs the acceptance of the letter from BlackRock, Inc (“BlackRock”), as shareholder of HRT, communicating the reduction of its interest in the Company’s capital, reaching 6,590,200 shares at 08/31/2012, which represents 2.24% of HRT’s voting capital.

According to the information provided by BlackRock, the purpose of the interest mentioned above is only as an investment and is not objecting to change HRT’s controlling or administrative structure.

HRT Participagoes holds one of the largest independent oil and gas exploration and production companies in Brazil. The HRT Group comprises eight main subsidiaries: IPEX (Integrated Petroleum Expertise Company Servigos em Petroleo Ltda.), HRT O&G Exploragao e Produgao de Petroleo Ltda., HRT Netherlands B.V., HRT Africa Petroleo S.A., HRT America Inc., Air Amazonia Servigos Aereos Ltda. and HRT Canada Inc.. The Company retains a 55% interest in 21 exploratory blocks in the Solimoes Basin. HRT also operates ten exploratory blocks off the Namibian coast: eight blocks in the Orange Sub-basin and two blocks in the Walvis Sub-basin. HRT’s team includes PHDs and masters in geochemistry, geophysics, biology and engineering, most of them former employees of Petrobras and ANP (Brazil petroleum agency). HRT is committed to minimizing any possible environmental impacts in the sites where it acts. Our commitment to the local communities is towards health conditions, safety and quality of life.