NWM provides update on Gold Ridge zone exploration

TSX Venture Exchange
Symbol: NWM
Shares Outstanding: 403,545,785

TORONTO, May 31, 2011 /CNW/ - NWM Mining Corporation (the "Company" TSX-V: NWM) is pleased to announce that it has commenced diamond drilling on the Gold Ridge target at its 100% owned Lluvia de Oro mine. The target at Gold Ridge is an igneous quartz porphyry body defined by soil and surface rock samples with gold assay values up to 2,400 ppb (parts per billion) or 2.4 g/t Au and 5.32 g/t Au, respectively. The area defined by anomalous gold values for soil and rock geochemistry is more than 1,200 meters long and 260 meters wide, and is situated close to the Lluvia Dos leach pad, which is currently under construction. The favourable rocks are believed to dip toward the east and northeast, and will not affect the new leach pad area.

Results of two core holes originally drilled as condemnation holes on the north end of Gold Ridge (holes: L11-066 and L11-067), have returned favourable assay results, as set forth in the tables below. Drill hole L11-066 was collared in the quartz porphyry host rock and drilled this lithology to 14.9 meters. The interval returned a weighted average gold grade of 0.423 g Au/t over 14.9 meters. Hole L11-067 drilled Lluvia sedimentary rocks from surface to 110 meters and encountered quartz porphyry host rock from 111.2 to a depth of 152.9 meters. The top 17.0 meters of the quartz porphyry intersection returned a weighted average gold grade of 0.346 g Au/t. These two intercepts represent vertical true widths of mineralization on the northern-most part of the quartz porphyry body that has been drilled to date and is still open along strike.

A program of 43 air track holes was completed along the crest of Gold Ridge for a total of 1,075 meters of drilling. Percussion holes #3 through #40 were drilled into the quartz porphyry host rock to a depth of 25 meters. Ten percent of the drill samples of 3.4 to 3.6 meters each returned gold values in excess of 0.20 g Au/t, with gold values up to 1.99 g Au/t over 3.6 meters.

The air track drilling identified a length of 630 meters along the crest of Gold Ridge to have the highest gold values.  This area is now the principal target of diamond drilling.

Gold Ridge constitutes a potentially significant upside addition to the mineral resource total for Lluvia-Jojoba. The target area is large, with rocks that have a more uniform distribution of mineralization than the sediment-hosted mineralization commonly found in the Lluvia de Oro structurally controlled mineralization.

Table of core assay data from the north end of Gold Ridge:

DH# FROM TO WIDTH Au g/t
L11-066 0.0 1.6 1.6 0.397
L11-066 1.6 2.8 1.2 0.317
L11-066 2.8 3.3 0.5 0.670
L11-066 3.3 4.0 0.7 0.371
L11-066 4.0 4.5 0.5 0.331
L11-066 4.5 5.0 0.5 0.304
L11-066 5.0 5.6 0.6 0.197
L11-066 5.6 6.2 0.6 0.418
L11-066 6.2 7.1 0.9 1.670
L11-066 7.1 8.1 1.0 0.078
L11-066 8.1 8.8 0.7 1.88
L11-066 8.8 9.7 0.9 0.065
L11-066 9.7 10.6 0.9 0.037
L11-066 10.5 10.7 0.1 0.0
L11-066 10.7 12.1 1.5 0.179
L11-066 12.1 13.4 1.3 0.346
L11-066 13.4 14.9 1.5 0.208
Thickness: 14.9 Grade: 0.423
         
DH# FROM TO WIDTH Au g/t
L11-067 111.2 112.2 1.0 0.279
L11-067 112.2 112.8 0.6 0.599
L11-067 112.8 113.2 0.4 0.213
L11-067 113.2 114.2 1.0 0.315
L11-067 114.2 115.2 1.0 0.200
L11-067 115.2 116.2 1.0 0.079
L11-067 116.2 117.2 1.0 0.462
L11-067 117.2 118.5 1.3 0.411
L11-067 118.5 119.2 0.7 0.242
L11-067 119.2 120.2 1.0 0.428
L11-067 120.2 121.2 1.0 0.344
L11-067 121.2 122.2 1.0 0.114
L11-067 122.2 123.2 1.0 0.731
L11-067 123.2 124.2 1.0 0.283
L11-067 124.2 125.2 1.0 0.129
L11-067 125.2 126.2 1.0 0.273
L11-067 126.2 127.2 1.0 0.272
L11-067 127.2 128.2 1.0 0.830
Thickness: 17.0 Grade: 0.346

All drill samples are obtained under quality controlled conditions with duplicate, blank and standard samples inserted in the sample string for quality assurance purposes. Sample procedures and QA/QC for the data are mandated and reviewed by the Company's Qualified Person. Drill samples are submitted under appropriate security controls to the ISO 9001:2000 certified laboratory of ALS-Chemex in Hermosillo, Sonora for sample preparation, and final analysis by ALS-Chemex in North Vancouver, B.C.

This press release has been prepared by Rodney A. Blakestad, C.P.G., Qualified Person.

CAUTIONARY STATEMENT ON FORWARD-LOOKING INFORMATION

This news release includes "forward-looking information", as such term is defined in applicable securities laws. Forward-looking information includes, without limitation, the success of exploration activities, price outlooks, production expectations and other similar statements concerning anticipated future events, conditions or results that are not historical facts. These statements reflect management's current estimates, beliefs, intentions and expectations; they are not guarantees of future performance. The Company cautions that all forward looking information is inherently uncertain and that actual performance may be affected by a number of material factors, many of which are beyond the Company's control. Accordingly, actual future events, conditions and results may differ materially from the estimates, beliefs, intentions and expectations expressed or implied in the forward-looking information. All statements are made as of the date of this news release and the Company is under no obligation to update or alter any forward-looking information.

Neither the 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 of this release.

SOURCE NWM Mining Corporation

For further information:

please contact NWM Mining Corporation at (416) 364-6799.

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