Killajoules

Spud-in at Location 1-HRT-194/01-AM
HRT Participações em Petróleo S.A. announces that today, at 7:00 a.m., its subsidiary HRT O&G Exploração e Produção de Petróleo Ltda. (“HRT O&G”), spudded its fourth exploration well, location 1-HRT-194/01-AM, codified by the National Petroleum, Natural Gas and Biofuel Agency - ANP as 1-HRT-4-AM.

3D Seismic Acquisition Update in Namibia
HRT Participações em Petróleo S.A. (the “Company” or “HRT”) (BM&FBOVESPA: HRTP3, TSX-V: HRP), announces that on July 19th, acquistion was concluded on the 5,278 km2 3D seismic program over HRT’s offshore blocks 2112B and 2212A in Walvis Basin, as seen in the image attached hereto. This survey was conducted by the Polarcus Naila vessel. In January 2011, HRT signed two seismic acquisition contracts with Polarcus.

HRT announces that the four drilling rigs to be used in the Solimões Basin have already arrived in Amazonas
HRT Participações em Petróleo S.A. (the “Company” or “HRT”) informs that the four rigs contracted for drilling exploratory wells in the Solimões Basin have already arrived in Amazonas, in accordance with the Company’s plans for the region. The first rig has already arrived at its destination and should begin drilling later this month, while the second is at HRT’s base camp and will be taken to the drilling location to begin drilling in May. Both were contracted from the Canadian company Tuscany.

HRT O&G qualifies as B Operator
HRT Participações em Petróleo S.A. (the “Company” or “HRT”) informs that on March 22, 2011, HRT O&G Exploração e Produção de Petróleo Ltda. (“HRT O&G”) was technically qualified by the National Petroleum, Natural Gas and Biofuel Agency (ANP) as a B Operator. This means that HRT O&G is now authorized to operate onshore exploratory blocks and offshore exploratory blocks..

HRT announces 3D seismic acquisition in Namibia
HRT Participações em Petróleo S.A (the “Company” or “HRT”)(BM&FBOVESPA: HRTP3) announces that on February 28 acquisition commenced on the 5,278 km² 3D seismic program over HRT’s offshore blocks 2112B and 2212A in Walvis Basin, as seen in the image attached hereto. This survey is being conducted by The Polarcus Naila vessel. In January 2011, HRT signed two seismic acquisition contracts with Polarcus.

HRT Partıcıpações Em Petróleo S.A. To Acquıre Unx Energy Corp.
UNX Energy Corp. (TSX-V:UNX) ("UNX") announced today that it has entered into a definitive agreement (the "Arrangement Agreement") with HRT Participações em Petróleo S.A. (Bovespa: HRTP3) ("HRT") pursuant to which HRT will acquire all of the outstanding common shares of UNX ("UNX Shares") by way of a Plan of Arrangement pursuant to the Business Corporations Act (Alberta) (the "Arrangement").

HRT O&G signs seismic acquisition contracts offshore Namíbia
HRT Participações em Petróleo S.A (“HRT” or “Company”) (BM&FBOVESPA: HRTP3) announces that its subsidiary HRT O&G has signed two seismic acquisition contracts with Polarcus Limited.