Killajoules

The China National Petroleum Corporation and the Ministry of Mines and Energy strengthen cooperative ties
In the interest of increasing their participation in the exploration and production in Colombia, multinational oil giant China National Petroleum Corporation (CNPC) and the Ministry of Mines and Energy of Colombia, exchanged views and explored new ways to enhance mutual cooperation in areas of common interest.

ECOPETROL, Pacific Rubiales And Petrominerales Announce Closing Of COP$ 2.1 Billion Debt Facility For The Araguaney To Banadia P
ECOPETROL (BVC: ECOPETROL; NYSE: EC; TSX: ECP), Pacific Rubiales Energy Corp. (TSX: PRE; BVC: PREC; BOVESPA: PREB) and Petrominerales (TSX: PMG; BVC: PMGC) are pleased to announce that Oleoducto Bicentenario S.A. (Bicentenario) has closed a debt facility for approximately US$1.2 billion, the equivalent of COP$2,100,000 million in Colombian Pesos. The loan has been provided by a syndicate of ten Colombian Banks. Bicentenario is a specialpurpose vehicle owned 55.97% by Ecopetrol S.A., 32.88 % by Pacific Rubiales Energy, 9.65% by Petrominerales, and the remainder owned by other E&P companies operating in Colombia.

PetroMagdalena announces resumption of operations in the province of Casanare
PetroMagdalena Energy Corp. (TSX-V: PMD-V) announces that production operations have resumed at its Cubiro Block located in the province of Casanare, with the blockade being lifted on the morning of Saturday May 5, 2012. As previously announced on April 24, 2012, public roads in the province of Casanare were being blocked and this led to a lack of public order in the area, impacting production from PetroMagdalena's Cubiro block. No employees or contractors of the Company were involved. Discussions between all four levels of government are focusing on delivering a long term solution for the local communities.

Ecopetrol discovers new hydrocarbon field in the Tisquirama Block
Ecopetrol announces the discovery of hydrocarbons in the Tisquirama Este-1 exploratory well, located in the municipality of San Martin, Cesar.

Petrominerales Provides Exploration And Operations Update Highlighted By Bromelia-1 Well
Petrominerales Ltd. (“Petrominerales” or the “Company”) (TSX: PMG, BVC: PMGC) is pleased to provide the following exploration and operations update.

PetroMagdalena suspends Santa Cruz-1X exploratory well and provides information on blockade of roads in Colombia
Santa Cruz-1X Well Suspended

Brownstone Energy Spuds Flami #1 Well, Llanos Basin, Colombia
Brownstone Energy Inc. (TSXV: BWN; OTCQX: BWSOF) (“Brownstone”) is pleased to announce that NCT Energy Group C.A. Colombia, as official Operator of the Llanos 27 Block in the Llanos Basin of Colombia, have commenced drilling the Flami #1 well.

Canacol Energy Ltd. and ExxonMobil Sign Agreement for Shale Oil Exploration Project in Colombia
Canacol Energy Ltd. (“Canacol” or the “Corporation”) (TSX:CNE) (BVC:CNEC) is pleased to announce that its wholly owned subsidiary, Carrao Energy Sucursal Colombia (“Carrao Colombia”), has entered into a farm-out agreement (the “FOA”) with ExxonMobil Exploration Colombia Limited, a wholly-owned subsidiary of ExxonMobil Corporation (“ExxonMobil”) (NYSE:XOM) for the exploration of the Corporation’s non-operated VMM 2 exploration and production (“E&P”) contract located in the Middle Magdalena basin of Colombia. The VMM 2 E&P contract is one of three adjacent contracts that Canacol has interests in, representing 126,000 net acres that expose Canacol to a potentially large, unconventional shale oil play. With $ 91 million in cash, cash equivalents, and restricted cash on hand as of December 31, 2011, and strong cash flow from its operated oil producing assets in Colombia, the Corporation remains fully funded to execute its exploration and development programs for 2012.

Pacific Rubiales is Poised to Enter LNG Export Market
Pacific Rubiales Energy Corp. (TSX: PRE) (BVC: PREC) (BOVESPA: PREB) acting through its wholly owned subsidiary Pacific Stratus Energy Colombia Corp. ("PSE"), announced today the signing of a natural gas Liquefaction, Regasification, Storage and Loading Services Agreement with Belgium based Exmar NV ("Exmar").

Brownstone Energy Completes Canaguay-1 Workover and Commences Extended Test at Mani-1
Brownstone Energy Inc. (TSXV: BWN; OTCQX: BWSOF) (“Brownstone”) is pleased to announce that it has received the following operational update for its Colombian operations.