NEWS RELEASE

HRT ANNOUNCES THE ARRIVAL OF TRANSOCEAN MARIANAS
SEMI-SUBMERSIBLE RIG IN WALVIS BAY

Rio de Janeiro, February 7th, 2013 - HRT Participações em Petróleo S.A. (the "Company" or "HRT") (BM&FBOVESPA: HRTP3, TSX-V: HRP) announces that today the semi-submersible drilling-rig Transocean Marianas from Transocean (NYSE: RIG) arrived in Walvis Bay at 5:00am local time. The rig will undergo mandatory maintenance for the next three to four weeks, before starting HRT's drilling campaign in Walvis and Orange sedimentary basins.

As noted by the Company on January 15, 2013, the Marianas is expected to commence drilling operations on the Wingat Prospect, in Walvis basin at HRT's Petroleum Exploration License 23 (PEL-23), by March 2013. Wingat is located at a water depth of 1,000 meters and drilling operations are expected to last approximately 60 days.