Investor Presentation – SEPTEMBER 12 2011 NGM:TSX-V

Forward Looking Statements Some of the statements contained in the following material are forward-looking statements and not statements of facts. Such statements are based on the current beliefs of management, as well as assumptions based on management information currently available. Forward-looking statements are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from expected results. Readers must rely on their own evaluation of these uncertainties.

Investment Highlights Strategically located on prolific Destor-Porcupine fault system Flagship Garrison Gold Property 100% owned and operated by NGM NI 43-101 compliant resources containing over 1.4M total ounces of gold Preliminary Economic Assessment indicates robust economics for open pit mine Potential for significant resource expansion Recently advanced 30,000 meter ongoing drill program for 2011 to 50,000 meters of drilling Garrcon Gold Deposit 1.1M OZ Jonpol Gold Deposit 300,000 OZ

Capital Structure and Share Performance Share Performance (One Year C$) TSX Venture Symbol NGM Share Price (30 Aug) $0.41 Share Price (52 week range) $0.235-0.64 Issued and Outstanding Shares 118.0 million Fully Diluted 148.5 million Working Capital $1.5 million Market Capitalization $48 million Breakdown of Ownership Valgold Resources ~15% Sprott Asset Management ~14 Dundee Resources ~9%

Highly Prospective Land Position Two main gold deposits Garrcon Deposit: Two NI 43-101 resource estimates-Sept 2010 & June 2011 Surface exposure, bulk mineable potential Near-term production potential Mineralization 800 m by 300 m Open to the east/west/ @depth Quartz-carbonate vein stock works in silicous meta sediments Jonpol Deposit: NI 43-101 resource estimate-Oct 2009 117,400 meters historic core in 419 holes Existing ramp and shaft Sulfide-rich, HG, narrow vein in mafic, ultra-mafic rocks

Located in Prolific Canadian Gold Camp one of the richest gold mining camps in North America, an estimated 170 million ounces of gold produced from the area Road access to the property, along with power and multiple producing gold mines in the vicinity, ideally situated from an infrastructural viewpoint

Garrison Property Map

Selected Drill Intercepts Garrcon Deposit: 50,000 m Drill Program • Focus on in-filling and expanding known mineralization footprint to depths of 300-400 meters • 2010 program = 11,280 meters in 47 holes • 45/47 drill holes hit significant mineralization • 15 holes with avg. grades of 1.0 g/t or higher over down hole lengths of at least 50 meters • Drilling upgraded 576,000 oz. to indicated, and improved the grade of the mineralization • Total number of assays received since May 2010 higher than one ounce per tonne-10 • Two additional diamond drills(4) and one reverse circulation drill in place effectively increasing current 2011 exploration program to 50,000 meters Indicated & Inferred (tonnes) Ounces Au Au Grad (g/t) 24.9 m indicated 720,000 0.9 18.6 m inferred 430,000 0.8 Selected Drill Intercepts Hole ID Length (m) Au Grade (g/t) GAR-11-70 142.0 1.14 Includes 110.0 1.38 GAR-11-74 61.0 2.32 GAR-10-42 209.0 1.44 GAR-11-71A 66.0 1.94 GAR-11-78 44.0 1.98 GAR-10-46 284.0 1.62 GAR-10-50 95.0 1.30 71.0 1.58

Robust Economics Cash costs projected at US$495/oz. Capex projected at C$156.3 million, including 30% contingency Total capex and opex projected to be US$649/oz. NPV of US$287 million IRR (after tax) of 47% with a 2.2 year payback on an 8 year mine life Production of 130,000 oz./yr. w/cash flow of $50.5 M/yr. Demonstrated an economic block model cut-off of 0.30 g/tonne Assumptions Gold price of US$1,200 Conventional open pit mining methods Annualised rate of production: 6.6m tpa of which 4.3mtpa to the mill and 2.3mtpa to heap leach feed Mill recovery rate of 98% Heap leach recovery rate of 65% Preliminary economic assestment date

Mineralized Zones Replace picture 10

Garrison Regional Surface Plan

Garrcon Deposit: Cross Section Wide, shallow mineralization down-dip with expansion potential at depth 12

High-grade, underground resource with multi-million ounce potential Jonpol Deposit Overview Indicated Resource Inferred Resource Zone Tonnes Au Grade (g/t) Ounces Au JP Zone 236,100 7.69 58,380 812,400 4.66 121,750 JD Zone N/A 168,000 7.37 39,830 RP Zone 12,100 10.91 4,260 124,300 5.05 20,170 East Zone 4,900 3.58 560 451,100 4.47 64,790 TOTALS 253,100 7.77 63,200 1,555,800 4.93 246,540 October 2009 NI 43-101 Compliant Resource (block cut-off @ 4.07 g/t Au), ACA Howe International • Comprised of four mineralized zones • Mined a 50,400 tonne bulk sample at an average grade 8.3 g/t Au in 1997, which produced 13,564 oz. Au from 1996-1997 • Potential to increase resource by incorporating historical drill data • Existing shaft and ramp for future rehabilitation High-grade, underground resource with multi-million ounce potential 13

Value Drivers Activity 2010 2011 2012 2013 2014 Garrcon Deposit   Activity 2010 2011 2012 2013 2014 Garrcon Deposit Infill and Definition Drilling Advanced Exploration Permitting Production Permitting Metallurgical Testing Preliminary Economic Assess. Bulk Sample Feasibility and Pit Design Mine Development Jonpol Deposit Re-Logging & Assaying Existing Core Surface Drilling Underground Development & Drilling 14

Management and Board of Directors Martin R. Shefsky, President and CEO Over 25 years in mineral exploration, development and brokerage industry Previously, he was the founder and director of Regis Resources Eric E. V. Szustak, CA, Chief Financial Officer Over 25 years in public accounting and brokerage industry CFO of Castle Resources Michael P. Gross, VP Exploration 42 years exploration, mining, mine operations and corporate management Previously at Hecla Mining, Exall and Royal Oak. Board of Directors James C. Gervais, Chairman Retired from the Canadian Forces in 1993 as Commander of the Army Patrick A. Culhane, Director Over 20 years of mineral exploration Eric M. Moeller, Director Registered Professional Geologist (South Carolina) Dennis H. Waddington, Director Professional Geoscience (ON) CFO of NWM Mining

EV/Total Gold Resource peer-group* relative valuation chart Comparable Trading Analysis EV/Total Gold Resource peer-group* relative valuation chart * Peer group includes Junior gold explorers and developers with a total gold resource within the 0.5 – 2 million oz. range Source: Dundee Securities, Company Reports, Bloomberg g, Thomson One 16

Reasons to Invest 1.46M oz. Au with Expansion Potential Strategic Location and Infrastructure •Garrcon deposit contains a shallow, open pit mineable resource with near-term production potential •Open on strike and at depth •Metallurgical test work indicating excellent gold recoveries and the free milling nature of the Garrcon mineralization •Located on prolific Destor-Porcupine Fault System between Timmins and Val d’Or •Close to St. Andrews Goldfields’ Hollaway Mine and Brigus Gold’s Black Fox Mine •Excellent infrastructure/labour force High growth, open pit mineable resource in prolific mining region Strong Management Team •Over 100 years of combined geology, mine start-up & mine operations experience •Significant public market and financing experience