February 2008 Building Value in Argentina 1
Investment Highlights g Business Strategy: Find quality projects Target development/added value Bring in strategic partners Maintain pipeline of new projects Focused on precious metals, with prospective base metal projects 34 projects over 425,000 hectares in 11 provinces Joint-venture partners providing primary exploration spending Discussions with additional potential partners Proven management with over 100 years experience 2
Marifil s Property Locations 3
San Roque Project Lead-Zinc-Gold-Silver-Indium Rio Negro Province Property: 47,427 hectares 40 square km alteration zone Surface samples up to 1.5% In and 43 g/t Au Phase 1 28-DDH program intercepted high-grade In, Zn, Ag & Au Included other base metals Pb Phase 2 22-DDH program expanded area of known mineralization Intercepted high grade In, Zn, Ag, & Au Bulk mineable target 4
San Roque Project Lead-Zinc-Gold-Silver Rio Negro Province Mendoza Las Grutas Buenos Aires San Roque Las Grutas San Antonio Port City of Viedma Gulf of San Matías Puerto Madryn 5
San Roque Project Discovery Outcrop Visible gold in epithermal veins 6
San Roque Project 3,515,000 3,517,500 SRRC1 SRRC11 8 ms 54 SRRC10 SRDD3 SRRC9 24 25 SRRC4 45 46 SRDD4 47 44 37 36 34 35 32 7 38 SRDD5 26 8 29 33 43 SRDD6 9 30 27a 11 2 10 31 1 34 28 53 6 42 40 55 5 41 39 SRRC5 SRRC6 SRRC8 SRRC7 pozo SRDD8 50 51 SRRC3 52 Estancia "SAN ROQUE" 12 13 17 14 15 16 19 49 18 SRRC2 SRDD2 20-21 SRDD1 48 SRDD7 3,515,000 3,517,500 27 22 0 1000 m 7
San Roque Project 8
q Project j San Roque Drill Holes Relative Location (Zn values over 0.3%) LEGEND Fine grained sediments shale & limestone Volcanogenic-Volcanoclastic Coarse grained sediments Intracaldera Sediments Conglomerate & sandstone Breccia Intrusive - Lava flow - sills Ignimbrite Metamorphic Basement 9
Las Aguilas Project Nickel-Copper-Platinum San Luis Province Measured & Indicated historical resource of 2.2 million tonnes of ore grading 0.52% Ni, 0.50% Cu JV with Castillian Resources Corporation, earn-in up to 65% interest JV partner drilled over 11,000 m in 2007, more drilling planned for 2008 30,432 sq km property includes the Las Aguilas mine Largest known Cu-Ni-Pt resource in Argentina Pending resource calculation from JV partner, Castillian Resources, in Q1 2008 10
Punta Colorado Project Limestone Rio Negro Province 75% interest in 100-200 million tonne cement grade limestone deposit Deposit located adjacent to a deep water bulk loading terminal Capable of 1,600 tonne-per-hour capacity to 60,000 tonne ships Ample supplies of water, electricity, it gas, and roads Completed a 12 hole test drill program in December 2005 Confirmed presence of limestone containing <4% MgO Generally, cement-grade limestone contains less than 4% MgO Drill program to begin soon, followed by NI 43-101 report & market study 11
Punta Colorado Project Limestone - Rio Negro Province 12
Toruel Project High Grade Silver-Gold-Copper & Indium Rio Negro Province 53 drill hole intercepts between 20-75 m deep Best intercept of 6.7 m @ 2045 g/t silver plus 5.34% copper including 5.40 m @ 308.94 g/t indium Latest drilling on Toruel Main Vein at DH-55 intercepted 3.65 m gradingg 1.94 g/t gold, 438 g/t silver and 0.25% copper Pending NI 43-101 compliant resource calculation due out in 2008 13
Toruel Project Project located near allweather highway & RR 23 kms from town of Los Menucos & Marifil s Somuncura JV gold project Access to experienced workforce & infrastructure 63 Drill holes JV talks in progress Los Menucos TORUEL 14
Toruel Project TORUEL VEIN Longitudinal Section Ore Project COPPER PIT Rake of ore zone 15
Canyon Vein 1500m long, typical epithermal vein with gold anomalies. 16
El Carmen Project Oil & Gas Target Chubut Province 2,001 hectares located in northern Golfo San Jorge Basin 12 shallow wells drilled by private & government oil companies from 1928 1944 4 wells shut-in gas 2 deeper wells reported oil and gas shows from deeper reservoirs 17
Amarillo Project Copper-Gold Porphyry San Juan Province Location: Veladero-El Indio Gold Belt Barrick's Veladero and Pascua Llama deposits, one of the world's largest gold resources +50 square kilometer alteration zone Sample taken from 0.1 meter vein returned 2,251 g/t gold (65.28 o/t) ATW Venture Corp. (ATW: TSX-V) may earn up to 70% interest in Amarillo project ATW commencing drilling in Q1 2008 18
Amarillo ATW JV Bonanza Gold Zone - 14 m @ 66 g/t Au 19
Building Value in Argentina Rich property portfolio Joint-venture strategy Proven management Focused on precious metals, with prospective p base metal projects 20
Share Structure TSX-V: MFM Standard & Poor's Listed Issued Share Capital: 27,293,642 Fully Diluted Share Capital: 34,881,305 52 week range: C$1.03 - $0.37 Current: C$0.50 Market Cap (as of 01/30/08) $17,440,000 21
Corporate Information marifilmines.com 1506 W. Forest Hills Drive Spokane, Washington 99218 USA Anthony Srdanovic, Investor Relations Ascenta Capital Partners Inc. Tel: 604.684.4743 ext. 242 anthony@ascentacapital.com John B. Hite, Geologist President & CEO Richard R. Walters, Geologist Executive Vice President Michael Sweatman, CA Chief Financial Officer Daniel Buffone, Geologist President, Marifil S.A. Renzo Bonucelli, Geologist Vice President, Marifil S.A. Hugo Bastias, PhD., Geologist Senior Project Manager Pedro Vera, Geologist Senior Project Manager Greg Burnett, Management Consultant Director (non executive) John Pearson, IR Executive Director (non executive) William Schara, CPA Director (non executive) ec e) FORWARD LOOKING STATEMENTS This presentation contains, in addition to historical information, forward-looking statements. Such statements are based on management s current expectations and are subject to a number of uncertainties and risks that could cause actual results to differ materially from those described in the forward-looking statements. Factors that may cause such a difference include, but are not limited to, those described in the Company s Annual Report or Quarterly Reports and other regulatory filings. 22