The following press release was posted by cameron07 on the Connacher page on Agoracom on December 21, 2009. It shows that Brownstone Ventures Inc. is now Petrolifera's farmout partner on the Vaca Mahuida license in Argentina where it is paying 50% of the costs to earn a 25% working interest.

Brownstone Ventures Inc.: Argentina Drilling Update

TORONTO, CANADA, Dec 21, 2009 (MARKETWIRE via COMTEX News Network) --

Brownstone Ventures Inc. (TSX VENTURE: BWN) ("Brownstone") has been advised by the operator, Petrolifera Petroleum Limited (TSX: PDP) ("Petrolifera"), that they have recently drilled, logged and cased for testing the VM.x-2014 exploratory well on the Vaca Mahuida license, situated southeast of Puesto Morales. The well encountered a number of zones of interest, including some oil shows in side wall cores and testing will occur upon arrival of a service rig.

The 253,000 acre (approximately 1,025 square kilometers) Vaca Mahuida Block is in the province of Rio Negro, Argentina, where Brownstone is incurring 50% of the costs of the Vaca Mahuida project to earn a 25% working interest.

About Brownstone - Brownstone Ventures Inc. is a Canadian-based, energy focused investment company with equity interests and direct interests in oil and gas exploration projects, including working interests in almost 300,000 acres in the Piceance/Uinta Basins of Colorado and Utah; 295km2 in the Assam/Arakan Basin, Northeast India; 253,000 acres in Rio Negro, Argentina; interests in several projects in Brazil; a 50% interest in approximately 160,000 hectares in the Quebec Lowlands; a 15% participating interest in two off-shore Israel oil and gas blocks; and is earning interests (14-35%) in 3 Colombian blocks in the Llanos basin. For additional information, please see Brownstone's website: http://www.brownstoneventures.com/main/

Best Wishes; Scott