OREANDA-NEWS. HRT Participates em Petroleo S.A. (the "Company” or “HRT”) (BM&FBOVESPA: HRTP3, TSX-V: HRP) announces that its wholly-owned subsidiary HRT O&G Exploragao e Produgao de Petroleo Ltda (“HRT O&G”) spudded, on March 17, 2013, the well 1-HRT-11-AM, on the Cajazeira prospect, at SOL-T-172 Block, in the Solimoes Basin, Municipality of Coari, State of Amazonas.

The well 1-HRT-11-AM is located at approximately 60 km to the northeast of the Leste do Urucu Field and aims to test an elongated NE-SW domic structure, with 17 km2 area, similar to the Jurua/Tefe and Urucu trends.

The main target of this well is to identify the presence of hydrocarbons in Carboniferous reservoirs of the Jurua Formation, expected at 2,035 meters depth. The secondary target is to identify the Devonian reservoirs of the Uere Formation expected at 2,080 meters depth, with hydrocarbon accumulations. This well is being drilled by the QG-VIII and has its proposed total depth at 2,175 meters.

HRT is the operator of 21 blocks in the Solimoes Basin, which it is exploring in partnership with TNK-Brasil. For further information, contact HRT's Investor Relations Department.