EANS-News: Opawica Explorations Inc. announces filing of Atikwa Lake project preliminary scoping study

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Company Information

VANCOUVER, Canada (euro adhoc) - Opawica Explorations Inc. (TSX.V:
OPW / OTC: OPWEF / Frankfurt: OE5A) ("Opawica" / the "Company")
announces that it has completed and filed on SEDAR a Preliminary
Scoping Study (the "Study") regarding the Company's Atikwa Lake gold
and copper project located near Kenora, Ontario.

The Study has been limited to a model of 1000 tpd projected to be
mined from a 2,974,200 tonne surface and higher grade portion of the
current NI 43-101 compliant 7,366,000 tonne Indicated resource of the
Maybrun open pit Main Zone of 0.64 g/t Au and 0.41% Cu. The head
grade for the above 2,974,200 tonnes of open pit material is 0.911
g/t Au and 0.574% Cu for a gold equivalent of 1.896 g/t Au. An open
pit stripping ratio of 1.5 to 1 has been used to a depth of 40m that
would commence from an existing open pit bench cut of the Maybrun
Main Zone.

The preliminary economic analysis from the Study indicates positive
preliminary economic considerations for an initial 1000 tpd operation
consisting of Capital Costs of $9,850,000, sustaining capital of
$6,000,000, overall pre-tax cash flow of $26,592,000, all over a
minimum of an eight year period. A preliminary Internal Rate of
Return (IRR) of 30% is evident over the initial eight year period put
forth in the Study.

The Study has utilized a contract mining scenario that would include
using existing tailings ponds, new surface infrastructure and some
refurbished mill components used in past production (1973) on site. A
flow sheet consistent with past milling consisting of two ball mills,
floatation circuit and concentrator has been proposed. Overall
recoveries of 92.6% has been used for gold and an 85% recovery in
concentrate has been used for copper.

The Preliminary Scoping Study and economic analysis has been
purposefully limited to 1000 tpd. The objective is to determine if
the past footprint and related infrastructure of the former producing
Maybrun Mine can be used, at least in part, to re-instate production
on the property on a shorter timeline and at significantly lower
capital costs than may be otherwise possible under a larger scale
mining operation that would include all resources presently outlined
on the property. If positive cash flow can be attained from the
initially proposed 1000 tpd operation, it may be possible to expend
some cash flow on the entire Atikwa Lake property for further
exploration and development.

The resources at the Atikwa Lake property as outlined in the August
31, 2009 NI 43-101 report, filed on SEDAR, are as follows:

August, 2009 Mineral Resource Estimate (NI 43-101 Compliant) Atikwa Lake
Property
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Classifi- Cut-off
cation Grade
Au Eq Mineral Au Cu Au Eq Au Cu
(g/t) Zone Tonnes (g/t) (%) (g/t) (oz) (lb)
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Indicated 0.40 Maybrun 7,366,000 0.64 0.41 1.34 151,000 66,466,000
Main
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0.40 Maybrun 1,738,000 1.15 0.30 1.66 64,000 11,622,000
Main
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Inferred 0.40 Maybrun 5,400,000 0.94 0.18 1.25 163,000 21,696,000
Footwall
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0.40 Maybrun 3,454,000 0.67 0.25 1.10 74,000 18,921,000
North
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AuEq (Au Equivalent) calculated using US $800 per oz for Au and $2.00 per
lb for Cu.

The above resources, as to tonnes, pounds and ounces are rounded to the nearest
1,000. The AuEq calculations in this release represent head grades and does not
include metallurgical recoveries or net smelter returns for gold and copper.
Mineral resources that are not mineral reserves do not have demonstrated
economic viability.

Based on the results of the Preliminary Scoping Study a Feasibility
Study and further drilling has been recommended on the Atikwa Lake
property.

Current drilling on the Atikwa Lake property is ongoing. A deep hole
(AT-10-05) of about 650m has been completed into the Footwall Zone
with assays pending. One further deep hole of 650m, on Section 844N,
will be drilled into the Footwall Zone approximately 300m below the
above open pit resources detailed in the August 31, 2009 NI 43-101
report and about 200m down dip from hole AT-10-01 which returned the
following assay results announced on April 23, 2010:

From To Width Au AuEQ
Hole No. Section Zone (m) (m) (m) g/t Cu % g/t
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AT-10-01 844 N May-
brun
Main 74.80 125.00 50.20 0.30 0.300 0.81
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Including 77.00 92.00 15.00 0.64 0.421 1.36
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Including 77.00 78.00 1.00 3.07 0.308 3.60
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And 84.00 92.00 8.00 0.78 0.644 1.88
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May-
brun
FW 158.00 172.00 14.00 0.07 0.057 0.17
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185.60 214.60 29.00 0.20 0.157 0.47
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Including 207.00 214.60 7.60 0.41 0.251 0.84
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235.00 271.00 36.00 0.74 0.113 0.93
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Including 256.00 271.00 15.00 1.41 0.165 1.69
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Including 268.00 271.00 3.00 3.04 0.246 3.46
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Also 256.00 260.00 4.00 2.60 0.236 3.00
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Including 256.00 258.00 2.00 3.79 0.096 3.95
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339.00 341.00 2.00 5.21 0.162 5.49
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Including 339.00 340.00 1.00 8.94 0.212 9.30
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Note: Intervals are approximate true widths.

In addition, 6 shallow infill drill holes of up to 90m each have been
drilled within the open pit Maybrun Main Zone. Assay results are
pending. A further 6 shallow holes of up to 90m each are scheduled to
be drilled in the open pit Maybrun Main Zone under the current drill
program.

The Preliminary Scoping Study was completed by Independent Qualified
Persons, Robert Laakso, P.Eng. and Michael O'Flaherty, P.Eng. and
they have reviewed the contents of this release.

Neither TSX Venture Exchange nor its Regulation Services Provider (as
that term is defined in the policies of the TSX Venture Exchange)
accepts responsibility for the adequacy or accuracy of this release.
The forgoing information may contain forward-looking statements
relating to the future performance of the Company. Forward looking
statements, specifically those concerning future performance, are
subject to certain risks and uncertainties, and actual results may
differ materially. These risks and uncertainties are detailed from
time to time in the Company's filings with the appropriate regulatory
authorities. We seek safe harbour.

end of announcement euro adhoc
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ots Originaltext: Opawica Exploration Inc.
Im Internet recherchierbar: http://www.presseportal.de

Further inquiry note:

Jonathan Samuda, Director, Corporate Secretary, Tel: (604) 681-3170, Fax: (604)
681-3552, Website: www.opawica.com

Branche: Metals & Minerals
ISIN: CA6834762040
WKN: A0M91Y
Börsen: Frankfurt / Open Market
Berlin / free trade