NioGold Mining Corporation
TSX VENTURE : NOX
FRANKFURT : NG1

NioGold Mining Corporation

August 12, 2008 09:08 ET

NioGold Mining Corporation: Marban West Extension Drilling Returns Up to 78.90 g/t Gold Over 3.0 Metres

VAL-D'OR, QUEBEC--(Marketwire - Aug. 12, 2008) - NioGold Mining Corporation (TSX VENTURE:NOX)(FRANKFURT:NG1) ("NioGold") reports on the 2008 diamond drilling program on the Marban Block property located in the Malartic Gold Camp, Abitibi region, Quebec, where the Company has drilled 47 holes (16,370 metres) to date on the promising Marban West Extension target and Wedge Zone.

Initial testing of the West Extension target was completed at 100-metre drill section spacing up to 600 metres west of the former Marban Mine shaft, covering lines 100W to 600W. Assay results were received for 6 holes drilled on lines 400W and 500W. The holes returned significant gold mineralised intervals that include:



- MB-08-042: 78.90 g/t Au over 3.0 metres (metallic sieve method)
(363.07 g/t Au over 3.0 metres from fire assay /
gravimetric finish).

- MB-08-043: 21.60 g/t Au over 1.1 metre;
10.70 g/t Au over 2.2 metres.

- MB-08-044: 11.00 g/t Au over 1.1 metre;
9.28 g/t Au over 1.2 metre;
6.29 g/t Au over 6.0 metres,
including 25.9 g/t Au over 1.0 metre.

- MB-08-046: 4.18 g/t Au over 3.6 metres.

- MB-08-047: 6.48 g/t Au over 1.1 metre.

- MB-08-048: 5.98 g/t Au over 1.0 metre.


The Company is very pleased with the results that confirm the presence of an important gold mineralised system over the West Extension target area with the potential for high-grade ore shoots (also see News Releases dated April 1, 2008 and May 13, 2008). In-fill drilling at 50-metre drill hole spacing is in progress in order to establish continuity to several recognised gold-bearing structures.

Best results received to date on the Marban West Extension target are tabled below. Reported intervals are in core lengths but are inferred to be close to true width as the holes were drilled perpendicular to the general structural trend. Readers are invited to review the Marban drilling surface plan and schematic cross-section available at www.niogold.com/marban.



MARBAN WEST EXTENSION TARGET - DRILLING RESULTS

--------------------------------------------------------------------------
Core Grade
Line Station Depth Zone / From To Length (g/t
Hole # (m) (m) Az Dip (m) Unit (m) (m) (m) Au)
--------------------------------------------------------------------------
MB-08 1+00 W 0+00 N 180 -45 249.0 MS 135.4 137.7 2.3 9.45
-037 deg- deg-
rees rees
FWZ 169.7 190.1 20.4 0.69
including 183.7 184.8 1.1 5.55
--------------------------------------------------------------------------
MB-08 1+00 W 1+50 N 180 -45 368.0 MS 228.6 229.5 0.9 6.17
-038 deg- deg-
rees rees
MS 262.4 267.7 5.3 1.57
FWZ 280.4 348.2 67.8 0.88
including 293.3 297.3 4.0 7.63
including 332.2 333.2 1.0 4.54
--------------------------------------------------------------------------
MB-08 1+00 W 1+50 N 180 -63 435.0 MS 76.0 77.2 1.2 4.02
-039 deg- deg-
rees rees
MS 237.8 256.6 18.8 1.48
including 249.4 252.2 2.8 5.66
FWZ 302.8 372.5 69.7 0.94
including 345.9 347.0 1.1 23.40
--------------------------------------------------------------------------
MB-08 1+00 W 3+00 N 180 -58 558.0 HWZ 265.4 266.5 1.1 4.77
-040 deg- deg-
rees rees
MZ 352.6 353.8 1.2 5.22
--------------------------------------------------------------------------
MB-08 2+00 W 1+50 N 180 -53 383.0 MS 167.4 168.6 1.2 4.12
-032 deg- deg-
rees rees
FWZ 280.0 316.2 36.2 0.54
including 291.0 297.0 6.0 1.13
--------------------------------------------------------------------------
MB-08 2+00 W 3+50 N 180 -67 501.0 NSA
-033 deg- deg-
rees rees
--------------------------------------------------------------------------
MB-08 3+00 W 0+00 N 180 -45 255.0 MS 106.2 111.3 5.1 1.45
-034 deg- deg-
rees rees
FWZ 200.0 203.4 3.4 1.93
--------------------------------------------------------------------------
MB-08 3+00 W 2+00 N 180 -45 459.0 MS 205.9 208.9 3.0 3.36
-035 deg- deg-
rees rees
MZ or FWZ 232.2 248.9 16.7 3.83
including 235.0 242.0 7.0 6.46
including 246.8 248.0 1.2 9.19
MS 270.7 290.7 20.0 0.89
including 285.6 288.4 2.8 3.51
FWZ 306.3 307.4 1.1 7.16
--------------------------------------------------------------------------
MB-08 3+00 W 3+50 N 180 -50 459.0 HWZ 206.1 209.8 3.1 1.38
-036 deg- deg-
rees rees
MS 294.2 297.5 3.3 2.58
MS 325.6 326.7 1.1 7.45
--------------------------------------------------------------------------
MB-08 4+00 W 0+25 S 180 -50 335.0 FWZ 64.9 67.9 3.0 78.90
-042 deg- deg-
rees rees
FWUM 118.4 126.9 8.5 0.67
--------------------------------------------------------------------------
MB-08 4+00 W 2+35 N 180 -50 438.0 FWZ 216.3 217.4 1.1 21.60
-043 deg- deg-
rees rees
FWUM 253.5 255.7 2.2 10.70
--------------------------------------------------------------------------
MB-08 4+00 W 1+05 N 180 -50 342.0 MS 66.6 67.7 1.1 11.00
-044 deg- deg-
rees rees
MS 88.4 89.6 1.2 9.28
FWZ 149.9 166.0 16.1 2.84
including 154.9 160.9 6.0 6.29
including 159.9 160.9 1.0 25.90
--------------------------------------------------------------------------
MB-08 4+00 W 3+75 N 180 -50 471.0 results pending
-045 deg- deg-
rees rees
--------------------------------------------------------------------------
MB-08 5+00 W 1+00 N 180 -50 228.0 FWUM 137.2 140.8 3.6 4.18
-046 deg- deg-
rees rees
--------------------------------------------------------------------------
MB-08 5+00 W 2+10 N 180 -50 249.0 FWZ 150.9 152.0 1.1 6.48
-047 deg- deg-
rees rees
--------------------------------------------------------------------------
MB-08 5+00 W 3+60 N 180 -50 291.0 FWUM 237.5 238.5 1.0 5.98
-048 deg- deg-
rees rees
--------------------------------------------------------------------------

Note: Mineralisation within the Marban Mine area is divided into several
recognised structural zones or units; MS equals Mine Sequence
(undetermined zone), MZ equals Mine Zone, HWZ equals Hangingwall Zone,
HWUM equals Hangingwall Ultramafic Units, FWZ equals Footwall Zone,
FWUM equals Footwall Ultramafics Units, GD equals Granodiorite,
UW equals Upper Wedge, LW equals Lower Wedge, WZ equals Wedge Zone.


Quality Assurance / Quality Control and Qualified Persons

Diamond drill holes were drilled with NQ-size core in order to obtain larger sample volumes for the mineralised zones. The core was delivered by the drilling contractor to NioGold's facilities located at the Norlartic Mine site. The core was photographed for reference, logged and mineralised sections were sawed in half. Sample lengths vary between 0.5 to 1.5 metres. Half core samples were bagged, sealed and trucked to Activation Laboratories Limited ("Actlabs") in Ancaster, Ontario, an accredited laboratory. The remaining core is stored on site for reference. Samples were assayed by the fire-assay method using an atomic absorption finish on a 50-gram pulp split.

A quality assurance and quality control program (QA/QC) was implemented by NioGold and the laboratory to insure the precision and reproducibility of the analytical method and results. The QA/QC program includes the insertion of standards, blanks and duplicates in the sample batches sent to the laboratory and a systematic re-assaying of samples returning values above 2 g/t Au. As well, 5% of the pulps are sent to Bourlamaque Assay Laboratories Ltd. in Val-d'Or for check assaying.

This news release was prepared by Rock Lefrancois, P.Geo. (OGQ), the Company's Vice-President and Qualified Person as defined by National Instrument 43-101. The drilling is being conducted under the supervision of Yan Ducharme, M.Sc., P.Geo. (OGQ), also a Qualified Person as defined by National Instrument 43-101.

NioGold Mining Corporation - "The Golden Highway Runs Through NioGold"

NioGold Mining Corporation is a junior exploration company primarily focused on GOLD. The Company's main properties are the Camflo West and the Marban Block located in the Malartic and Val-d'Or Mining Camps, Abitibi, Quebec. The camps have produced over 27 million ounces of gold and presently encompass several active advanced exploration and mine development projects such as Canadian Malartic (Osisko Exploration), Kiena (Wesdome), Midway (Northern Star Mining), Goldex (Agnico-Eagle) and Lac Herbin (Alexis Minerals). The Marban Block encompasses three former gold producers, namely the Norlartic, Kierens (First Canadian), and Marban mines that collectively produced over 590,000 ounces of gold.

NioGold's experienced and qualified technical team will ensure the successful advancement of the Company's projects towards the highest quality mineral resources. NioGold invites you to visit the company website at www.niogold.com.

This Press Release includes forward-looking statements that are subject to risks and uncertainties. All statements within, other than statements of historical fact, are to be considered forward looking. There can be no assurances that such statements will prove accurate and, therefore, readers are advised to rely on their own evaluation of such uncertainties.

The TSX Venture Exchange or the Frankfurt Stock Exchange did not approve nor do not accept responsibility for the adequacy or accuracy of this news release.

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