(All figures in Australian dollars) - Rimfire Minerals Corporation (TSX
VENTURE:RFM) is pleased to report that crews have been mobilized for the 2009
drilling program at the Barmedman project in New South Wales, Australia. The
program will consist of four diamond drill holes totalling 1200 metres to test a
buried 2.4 km by 0.5 km Induced Polarization (IP) chargeability anomaly
identified in 2008. Drilling is underway and is being funded by Inmet Mining
Corporation. 


The Barmedman Property was one of nine exploration licenses acquired in 2007
based on targets identified in a Neural Network study conducted on a 120,000 km2
area within the Lachlan Fold Belt in New South Wales. It is located in a
corridor of regionally-extensive alteration and clusters of both copper-gold
porphyry and high-sulfidation gold occurrences and deposits including prospects
adjacent to the Barmedman that have seen recent drilling. Rimfire completed IP
geophysical surveys and MMI geochemical surveys over the core of the Barmedman
Neural Network target in 2008 which resulted in the identification of the 2.4 km
by 0.5 km IP chargeability high anomaly and a coincident copper-gold Mobile
Metal Ion (MMI) geochemical anomaly. The IP anomaly occurs in an area of no
outcrop with significant overburden cover and has not been tested by previous
drilling. Holes will be collared on 400 metre step-outs to test 1200 metres of
strike extent of the anomaly to investigate whether it reflects buried
copper-gold mineralization. In addition to drilling, further geochemical
sampling including pH and partial leach geochemical surveys are being
contemplated to investigate the entire 388 km2 property.


"We believe the Lachlan Fold Belt is very prospective for copper-gold deposits,"
stated Jason Weber. "The Neural Network study has enabled us to target covered
areas within the belt, such as Barmedman. We are excited about drilling this
target because it is located adjacent to the eastern edge of a belt of
high-sulphidation copper-gold deposits and porphyry copper-gold prospects
anchored by the Gidgenbung Mine, a past-producer of 700,000 ounces of gold
located 20 kilometres south of the property. This belt trends north through the
Yiddah copper-gold porphyry prospect located 2 kilometres east of the Barmedman
IP target where Goldminco recently announced a drillhole intersection of 53
metres averaging 0.45 % copper and 0.38 g/t gold."


Inmet is funding the program under the terms of the recently signed option
agreement. The terms of the agreement give Inmet the option to earn a 60%
interest by funding at least $5 million in exploration on the property over four
years, including $400,000 in the first year. Inmet will make staged cash
payments totalling $250,000 over the earn-in period.


This news release has been reviewed by Mark Baknes, M.Sc., P.Geo., VP
Exploration for Rimfire Minerals Corporation, a Qualified Person for the purpose
of National Instrument 43-101. 


About Rimfire

Rimfire Minerals Corporation is an aggressive, well-financed mineral exploration
company with a portfolio of highly prospective gold and copper properties in
western North America and Australia. Rimfire currently has in excess of two
years of operating capital and finances approximately 80% of its exploration
through option and joint venture agreements. Current and former partners include
AngloGold Ashanti Limited, Barrick Gold Corporation, Newmont Mining Company,
Inmet Mining Corporation, Northgate Minerals Corporation, Fronteer Development
Group Inc., Rubicon Minerals Corporation, American Creek Resources Ltd., Island
Arc Exploration Corporation, Jaguar Minerals Limited and BWG.


On behalf of Rimfire Minerals Corporation

Jason Weber, P.Geo., President & CEO

CAUTIONARY STATEMENT: This News Release includes certain "forward-looking
statements". Other than statements of historical fact, all statements included
in this release, including, without limitation, statements regarding future
plans and objectives of Rimfire Minerals Corporation, are forward-looking
statements that involve various risks and uncertainties. There can be no
assurance that such statements will prove to be accurate, and actual results and
future events could differ materially from those anticipated in such statements.
Important factors that could cause actual results to differ materially from
Rimfire's expectations are the risks detailed herein and from time to time in
the filings made by Rimfire Minerals Corporation with securities regulators.
Those filings can be found on the Internet at http://www.sedar.com and
http://www.sec.gov/edgar/searchedgar/companysearch.html.


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