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MacDonald Mines Exploration Ltd. (TSX VENTURE:BMK) ("MacDonald" or the
"Company") has received results of the IP/Resistivity Survey that was completed
over the Company's primary nickel target on Butler 5.


Deep Penetration and High Resolution IP/Resistivity Survey Results over Butler 5

The Insight Geophysics survey results over Butler 5 have confirmed chargeability
anomalies and resistivity structures associated with an interpreted embayment in
a known ultramafic sequence. Embayment features in ultramafic rocks are known
structural traps for Ni-sulphide mineralization, so the presence of an embayment
feature with high conductivity and chargeability, coupled with the intersection
of Ni-sulphides on strike, make this a high priority target with the potential
to host significant magmatic Ni-sulphides.


The Company has focused on this particular area for a number of reasons:



--  Structural interpretation of a "trap" 
--  VTEM conductivity anomalies 
--  Past drilling along strike (MN07-039; 0.54 to 1% Ni) 



Geological embayment features associated with mafic-ultramafic intrusive
complexes or komaiitic flow sequences be they magmatic or structural in origin,
are well known trap environments for the concentration of magmatic Ni-Cu-PGE
sulphides. These features are generally manifested in the form of a bulbous-like
protrusion along the basal contact zone of a mafic-ultramafic body. A drilled
dunitic body on Butler 5 has a strike length of at least 4.4 km and an embayment
like feature. Based on magnetic interpretation the northern basal portion of
this 4.4 km long body has a pronounced embayment-like feature that protrudes
approximately 150-200m deeper into the underlying footwall stratigraphy than
elsewhere along the base of the body and would appear to fit the criteria for an
embayment. 


The recent "Insight" IP geophysical survey over this "embayment feature"
disclosed high chargeability associated with the core of this feature but an
even higher and thicker chargeability zone associated with the outer periphery
of this feature and the underlying country rock. It should be noted that the
axis of this thicker outer chargeability anomaly is also coincident with a
marked and rapid change in the density of the underlying rocks as detected by
the 2010 OGS-GSC gravity-magnetic survey and the Company's recently completed
ground gravity survey. 


The same IP survey also discovered an even higher zone of chargeability
approximately 700 m south of the embayment feature. This anomalous chargeability
zone also was found to be underlain by anomalously dense rocks as detected by
the 2010 OGS-GSC gravity-magnetic survey. An interpretation of the magnetic
fabric of this area would suggest that this zone of anomalous chargeability and
density would appear to flank mafic-ultramafic rocks, and are less than 400 m
along strike from the best Ni-Cu sulphides (MN07-039; 0.54 to 1% Ni) discovered
to date on the Butler property.


Targeting of the above anomalies will be completed and they will be prioritized
into the upcoming drill program. "The Insight IP survey continues to prove
invaluable in identifying chargeable features beneath shallow conductive
materials which resulted in numerous traditional time domain EM targets. The
success of this technique in targeting Ni sulphides in the Ring of Fire has been
demonstrated at Noront's Eagle's Nest and continues to add to MacDonald's
exploration potential on the Butler property." - Quentin Yarie, Senior VP,
Exploration. 


MacDonald Mines Closes First Tranche of Private Placement Raising $1,039,000 

The Company has closed the first tranche of its previously announced
non-brokered private placement (the "Offering") for total gross proceeds of
$1,039,000. Insiders to the Company subscribed for a total of $571,000.


Pursuant to the Offering, the Company issued an aggregate of 8,658,335
"flow-through" common shares at a price of $0.12 per common share. 


In respect of this first tranche of the Offering, the Company paid finder's fees
in the form of cash compensation of $17,000 and issued 141,667 non-transferable
compensation options, with each such option entitling the holder to acquire one
common share at a price of $0.12 per share for a period of 24 months following
closing. 


All securities issued pursuant to the Offering are subject to a restricted
period of four months and one day from the date of issuance. The Offering is
subject to receipt of final approval from the TSX Venture Exchange.


Qualified Person

Quentin Yarie, P.Geo., is the qualified person in regard to the technical data
contained within this news release and will be responsible for overseeing all
aspects of the Company's exploration programs.


About MacDonald Mines Exploration Ltd. 

MacDonald Mines is a mineral exploration company with an established exploration
history in the Canadian Northlands. MacDonald Mines has set upon a strategic
direction of exploration with particular focus on nickel, chrome, copper, zinc,
vanadium and titanium in the "Ring of Fire" area of the James Bay Lowlands of
Northern Ontario. 


With over 9 years of exploration in the James Bay Lowlands, the Company has
systematically acquired quality land positions based on a very precise selection
format that utilizes region-wide interpretations completed by geological
consultant Hadyn Butler, P. Geo. MacDonald is now the second largest landholder
in the Ring of Fire and has a proven track record of environmentally and
socially conscious exploration practices. 


MacDonald Mines exploration focus has been on 3 properties - the Butler, the
Semple-Hulbert and the Sanderson. Recent exploration has been focused on the
Butler property, where the Company has identified seven significant zones of
multi-element mineralization, including copper-zinc VMS systems, vandiferous
titano-magnetite and magmatic nickel sulphides.


The Company has established rapport with First Nation Communities in this
region, which has culminated in the signing of exploration agreements with the
Kasabonika Lake and Webequie First Nations.


More detailed information about the Company is available on the website:
www.macdonaldmines.com.


Cautionary Statement: 

The foregoing information may contain forward-looking statements relating to the
future performance of MacDonald Mines Exploration Ltd. Forward-looking
statements, specifically those concerning future performance, are subject to
certain risks and uncertainties, and actual results may differ materially from
MacDonald Mines plans and expectations. These plans, expectations, risks and
uncertainties are detailed herein and from time to time in the filings made by
MacDonald Mines with the TSX Venture Exchange and securities regulators.
MacDonald Mines does not assume any obligation to update or revise its
forward-looking statements, whether as a result of new information, future
events or otherwise. We seek safe harbour.


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