Corporate Presentation

Serra Pelada Building Brazil’s Next Gold Mine

Forward Looking Statements

Forward-looking statements in this presentation include statements regarding the timing and nature of future exploration and development programs that are dependent on projections that may change as drilling continues, or if unexpected ground conditions are encountered. The Company does not currently have any mineral properties that are in production or that contain a reserve as defined by National Instrument 43-101. In addition, areas of exploration potential are identified which will require additional drilling to determine whether or not they contain similar mineralization to areas that have been explored in more detail. Significant additional drilling is required at Serra Pelada to fully understand system size. Certain information contained in this presentation, including any information relating to Colossus Minerals Inc.’s (“Colossus” or the “Company”) future financial or operating performance may be deemed “forward-looking”. All statements in this presentation, other than statements of historical fact, that address events or developments that Colossus expects to occur, are “forward- looking statements”. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words “expects”, “does not expect”, “plans”, “anticipates”, “does not anticipate”, “believes”, “intends”, “estimates”, “projects”, “potential”, “scheduled”, “forecast”, “budget” and similar expressions or their negative connotations, or that events or conditions “will”, “would”, “may”, “could”, “should” or “might” occur. All such forward-looking statements are based on the opinions and estimates of management as of the date such statements are made and are subject to important risk factors and uncertainties, many of which are beyond the Company’s ability to control or predict. Forward-looking statements are necessarily based on estimates and assumptions that are inherently subject to known and unknown risks, uncertainties and other factors that may cause Colossus’ actual results, level of activity, performance or achievements to be materially different from those expressed or implied by such forward-looking statements. Such factors include, without limitation: price levels and volatility in the spot and forward markets for commodities; the uncertainties inherent to current and future legal challenges Colossus is or may become a party to; controls, regulations and political or economic developments in the countries in which the Company does or may carry on business; changes in national and local government legislation in Canada, Brazil or any other country in which Colossus currently does or may in the future carry on business; the lack of certainty with respect to foreign legal systems, which may not be immune from the influence of political pressure, corruption or other factors that are inconsistent with the rule of law; the speculative nature of mineral exploration and development, including the risks of obtaining and maintaining the validity and enforceability of the necessary licenses and permits and complying with the permitting requirements of each jurisdiction that Colossus operates; fluctuations in the international currency markets and in the rates of exchange of the currencies of Canada, the United States and Brazil; significant capital requirements; impact of any hedging activities; taxation; additional funding requirements; loss of key employees; changes in project parameters as plans continue to be refined; accidents; labour disputes; defective title to mineral claims or property or contests over claims to mineral properties; and competition. In addition, there are risks and hazards associated with the business of mineral exploration, development and mining, including environmental hazards, industrial accidents, unusual or unexpected formations, pressures, cave-ins, flooding as well as other risks discussed under the heading “Risks Factors” included in Colossus’ latest Annual Information Form filed at www.sedar.com. Forward-looking statements are not guarantees of future performance, and actual results and future events could materially differ from those anticipated in such statements. All of the forward-looking statements contained in this presentation are qualified by these cautionary statements. Colossus expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, events or otherwise, except in accordance with applicable securities laws. The technical information in this presentation has been reviewed by Graham Long, VP of Exploration of Colossus Minerals Inc. and Qualified Person for the project.

September 20, 2013 2

http://www.sedar.com/

Serra Pelada

• Develop the Serra Pelada Mine in a cost-effective, sustainable and safe manner

• Provide leading cash flow per share, earnings per share and dividend yield to investors

• Deliver low cost, high margin growth from organic sources

THE VISION


Serra Pelada 2013 OBJECTIVES

Objective Target

Complete process plant construction Third quarter

Process bulk sample Fourth quarter

Initial NI 43-101 outlining 12 months resources

Following bulk sample

Initial production Late fourth quarter

Design & engineer flotation plant Fourth quarter

Complete PGM flotation plant Third quarter ‘14


Capital Structure AS AT AUGUST 31, 2013 EXCEPT WHERE OTHERWISE NOTED

All dollar amounts $CDN, unless noted Current Position

Shares outstanding - basic 175.5 million

Shares outstanding - fully diluted 214.8 million

Market capitalization (09/20/13) C$150.9 million

Share price (09/20/13) C$0.86

52-week range C$0.58 – C$6.03

Insider ownership* (approximate) 17%

Institutional ownership* (approximate) 40%

Options & Warrants (5.175 million - CSI.WT.A – Exp. Nov 8/16 ) (25.3 million – CSI.WT.B – Exp. Aug 13/15)

39.3 million

Cash balance (June 30/13) Pro Forma (includes $36.0 million August 2013 financing)

US$44.8 million

Gold-linked Note – CSI.NT - Matures Dec 31/16 C$86.25 million

Precious metals sale (35% Pt and Pd, 1.5% Au) US$75 million

Major Shareholders

Arias Resources, Van Eck, Sprott Asset Management, Franklin Advisers, Fidelity, Franklin Templeton, BC Investment, MFS, Manulife, Front Street *Shares held by Arias Resources included in total as Alberto Arias is a director of CSI


Focused on Brazil

• Resource-rich country

• Pro-mining government

• World’s 6th largest economy by GDP and largest in South America

• Real GDP growth of 2.2% forecast in 2013

• Inflation estimated at 4.5% and stable monetary policy


Serra Pelada

• Prolific Carajas region

• Major deposits of iron ore, copper-gold, manganese

• Robust infrastructure with access to roads, power, water and skilled labour

• Vale S.A. investing billions of dollars over the next decade in the region

LOCATION AND INFRASTRUCTURE


Serra Pelada LAND AND PERMITS

• Preliminary Environmental License – issued March 2010 • Precedes balance of permits –

issued by COEMA

• Installation License – issued April 2010 • Para State environmental council

• Mining License – issued May 2010 • Ministry of Mines and Energy

Permits

Land Package • 874 hectare property

• Ownership Structure: Colossus 75% Coomigasp 25%


High Grade Deposit GRADE VARIABILITY


High Grade Deposit GRADE VARIABILITY


Underground Drilling DEFINING AND DELINEATING THE CMZ

• Exploration and definition underground drilling commenced in Dec 2011

• Bulk sample, being extracted from CMZ, will be processed at site

• An initial NI 43-101 resource statement will follow which will outline the initial resource estimate for approximately one year, allowing the Company to more accurately predict future earnings

• The drill spacing for this resource statement will be as tight as possible (5 to 10 metre centres)

• As decline and underground development advances, so will the pace of drilling


Serra Pelada DEVELOPMENT TIMELINE

2010 2011 2012 2013 2014

Exploration

Permitting

Construction

Underground Development

NI 43-101 Resource

Initial Production

Ramp up to 1000 tpd

Design & Engineer Flotation Plant

Complete PGM Flotation Plant


Process Plant SIMPLIFIED FLOWSHEET


Process Plant DESIGN OVERVIEW

Gold Room

Scrubbing, Screening and

Reagents

Primary Crushing Ball Mill and Gravity

Concentrators


Primary Crushing, Scrubbing & Screening



Primary Crushing, Scrubbing & Screening

Scrubbing, Screening, Grinding Building and Gold Room


Intensive Leach Reactor


Reagents Building


September 20, 2013

Process Plant BALL MILL, GRAVITY CONCENTRATORS & GOLD ROOM DESIGN

Gold Room

Ball Mill

Gravity Concentrators

20

Grinding Building AREA OVERVIEW


Grinding Building GRAVITY CONCENTRATORS


Grinding Building PIPING FOR BALL MILL LUBRICATION SYSTEM


Gold Room INSTALLATION OF PIPING


Master Control Centre #2 INSTALLING PLATFORM AND STAIR ACCESS


Tailings Dam


1 - Cleaning the thresholds for receipt of landfill 2 - Raising and compaction of the landfill mass 3 - Raising and compaction of the landfill mass 4 – Overview (Spillway and Dam - heightening the massif)

1 2

3 4

Development Decline


Mining Method UNDERHAND CUT & FILL

• Underhand Cut & Fill mining method for 100% extraction of the ore

• Work from top of the orebody down

excavating under cemented rock fill • Used in a number of high-grade gold

mines including Goldcorp’s Red Lake Mine, Barrick’s Miekle Mine, Turquoise Ridge Mine, former Eskay Creek Mine and Newcrest Kencana Mine

• Trucks to haul ore to surface via the decline

• Target a 1,000 TPD mining rate


Underground MAIN DECLINE


Underground EXCAVATION FOR PUMPING STATION


Underground NORTHERN ORE ACCESS


Underground DRILLING


Ventilation Shaft


Underground VENTILATION UPGRADE


Development Schedule ADVANCE

Serra Pelada


• Jul 2013 – Decline progressing, pump station and vent access advanced

• Aug 2013 – Decline continues, pump station 90% complete, vent access continues

• Sep 2013 – Decline continues, pump station and vent access complete. Mineralization access drives started in south and east drives.

Development Schedule ADVANCE

Serra Pelada


• Oct 2013 – Decline reaches depth of horizon 2 mineralizaton access drives

• Nov 2013 – Horizon 1 and 2 access drives started • Dec 2013 –Access drives for Lift 1 in Horizon 1 and 2 complete.

Decline continues towards Horizon 3. Five access points are developed and ready for production.

Sierra Pelada

Cutia

Cutia Project

• 75% ownership interest purchased from COOMIC for R$3.6 million (~USD $2.0 million) payable in installments upon satisfaction of certain milestones.

• 633 hectares, 13 km SE of Serra Pelada, accessed by same road

• 3 metre thick quartz veins outcropping on surface

• ~ 65,000 ounces produced by artisanal miners between 1988 and 1992


Please refer to News Release Issued January 16, 2012 and July 8, 2013 for complete NI 43-101 compliant disclosures..

Cutia Project DRILLING COMMENCES IN 2013


• Initially believed that Cutia showings were orogenic gold type deposit

• Once drilling began, became clear that system shares more characteristics with an IOCG type deposit than with an orogenic gold type deposit.

Please refer to News Release Issued January 16, 2012 and July 8, 2013 for complete NI 43-101 compliant disclosures..

Serra Pelada A COMPELLING INVESTMENT

• Gold & PGM grades at Serra Pelada are among the highest on record

• High grade, potential low cost emerging producer

• Project is permitted and construction is well underway

• 110,000 metres drilled, significant exploration upside


TSX: CSI www.colossusminerals.com

OTCQX: COLUF

Colossus Minerals Inc. 1 University Avenue, Suite 401

Toronto, ON M5J 2P1

Ann Wilkinson Vice President, Investor Relations

416.643.7655 [email protected] www.colossusminerals.com


APPENDICES


Community

• Striving to build a stronger community – community

based projects • Hiring locally is a priority • Education and training • Community donations (ambulance and police

vehicles) • Health and dental services • Children’s programs (sports teams, first aid training,

social events)


Community Programs

Community based projects • Donation of ambulance and police vehicles

• Public security and police training

• School renovation

• Hospital renovation

• Municipal stadium renovation

• Municipal theatre renovation

• 2012 - installation of a community centre focused on worker training and qualifications, income generation programs, computer training centre and environmental education

Health • Vaccination programs

• Medical and dental services


Community Programs

Children

• Soccer school

• Sporting events

• Social events

• Visual arts workshops

• Reading programs

Education and training programs

• Literacy programs

• First aid and safety training

• Serra Pelada Capoeira school for children, teenagers, youth and adults


Area A PAYMENT STRUCTURE

Range of production (millions of ounces of

metal)

Royalty as a percentage of gold price on precious

metal sold* From To

--- 2.03 ~ 2.1%

2.03 4.79 ~ 1.4%

4.79+ --- ~ 1.3%

Colossus must pay COOMIGASP R$350,000 (US$155,555**) per month and payments cease when production begins.

In addition Colossus will finance their portion of CAPEX (25%). * Precious metal is defined as any one of gold, platinum, palladium, rhodium, osmium, ruthenium or iridium ** Basis 2.25 R$ per US$ (8/31/13)


Area B PAYMENT STRUCTURE

• COOMIGASP paid R$8 million (US$4.5 million*)

• Will pay COOMIGASP a royalty payment of 0.4326% of gold price of precious metals sold**

• Exercised option on Vale agreement Mar 18/13

• Vale has 45 days to request additional documents to support US$5 million spent over 3 years

• Assignment of mining rights expected to occur 30 days after Vale is satisfied requirements met.

• Pay Vale a fee of US$35/oz of gold, platinum, palladium based on the reserve estimate.

700 – Hectare Land Tenement

*Calculated at historical exchange rates. **Precious metal is defined as any one of gold, platinum, palladium, rhodium, osmium, ruthenium or iridium.


Area C PAYMENT STRUCTURE

• Have paid COOMIGASP R$4 million (US $2.2 million*)

• Will pay COOMIGASP a royalty of 2.0908% of gold price on precious metals sold**

*Calculated at historical exchange rates. **Precious metal is defined as any one of gold, platinum, palladium, rhodium, osmium, ruthenium or iridium

Consideration

74 - Hectare Land Tenement


Exploration Potential

• Down-plunge extension of Central Mineralized Zone

• Connecting the Lower Limb to the Central Mineralized Zone

• Elefante – Potential satellite deposit two kilometres away

THREE PROSPECTIVE AREAS


Exploration Potential CONNECTING THE LOWER LIMB TO THE CMZ


Exploration Potential ELEFANTE – POTENTIAL DEPOSIT TWO KILOMETRES AWAY

• Hole EL-12-001 returned 5.70 metres grading 5.41 g/t gold, 0.04 g/t platinum and 0.29 g/t palladium

• Hole EL-12-002 returned 5.10 metres grading 0.45 g/t gold, 1.27 g/t platinum and 2.04 g/t palladium

• Auger drilling included SPTRD-017 (124.78g/t Au, 6.52g/t Pt and 7.67g/t Pd over 1.5 m)

• Auger drilling in saprolite together with diamond drilling suggest a broad halo of mineralization in the Elefante Area sourced by deeper bedrock zone

Please see news releases issued November 14, 2011, March 12, 2012, August 20, 2012 and January 10, 2013 for complete NI 43-101 compliant disclosures.


Warrants and Options AS AT SEPTEMBER 8, 2013

Warrant price # of warrants Expiry

$8.50 5,175,000 Nov 8, 2016

$0.90 25,300,000 Aug 13, 2015

Range Options Outstanding

Options Exercisable

$0.48CAD - $1.50CAD

215,000 166,250

$1.51CAD - $3.00CAD 625,000 55,000

$3.01CAD - $4.50CAD 2,687,000 2,143,750

$4.51CAD - $6.00CAD 2,371,250 1,570,000

$6.01CAD - $8.37CAD 2,880,000 2,880,000

TOTAL: 8,778,750 6,815,000


Senior Management

Claudio Mancuso, CA CEO, Director

• Over 10 years experience in mining industry and capital markets • Previously VP, Treasurer of Agnico-Eagle Mines Limited • Involved in raising over $4 billion over the past five years in both equity and debt capital markets

David Anthony President & COO

• Previously Senior Vice President, Mining of Forbes & Manhattan • Previously worked for Kinross, as the Project Director, responsible for execution of the Fruta del Norte Project and held Senior positions

at Barrick Gold in Tanzania responsible for the development of the Bulyanhulu, Buzwagi and Tulawaka mines

Alden Greenhouse, CFA CFO

• Over 10 years capital markets experience in commodity risk management, foreign-exchange and fixed income • Senior management positions with RBC Capital Markets and Senior Analyst at Dominion Bond Rating Service

Graham Long VP, Exploration Qualified Person under NI 43-101

• Over 25 years’ experience in the mining industry, spent the majority of his career with Agnico-Eagle Mines where he held progressively changing roles from exploration geologist to Exploration Manager for Canada.

• Mr. Long has a broad range of mining experience having worked in several operating mines both underground and open-pit as well as experiencing the discovery of a gold deposit and seeing it through to production.

Jason Brooks VP, Finance

• More than 10 years of finance and accounting experience in the mining industry. He most recently served as Assistant Controller of NewGold Inc., an intermediate gold producer. Previously, he spent six years with Barrick Gold Corporation in various financial management positions. Prior to joining Barrick, he spent five years at BDO Dunwoody LLP, a public accounting firm.

Ann Wilkinson VP, Investor Relations

• 20 years in the mining industry in investor relations and other management roles. Prior to joining Colossus, served as Vice President, Investor Relations of Breakwater Resources Ltd. Prior to Breakwater she held a number of roles with several capital market firms and a couple of junior gold exploration companies.


Board of Directors

John Frostiak, P.Eng Chairman Qualified Person under NI 43-101

• Over 35 years experience in the mining industry. Managed Metallurgy and Process Development for Barrick Gold Corp. • Lead developer of both Pierina Mine and Bulyanhulu Mine for Barrick

Claudio Mancuso, CA Chief Executive Officer

• Over 10 years experience in mining industry and capital markets • Previously VP, Treasurer of Agnico-Eagle Mines Limited • Involved in raising over $4 billion over the past five years in both equity and debt capital markets

J. Alberto Arias • Founder, General Partner and Portfolio Manager of Arias Resource Capital Management LP • Previously Managing Director of Goldman Sachs – Metals & Mining Research from 1998 to 2006, • Mr. Arias has engineering degrees in mining and metallurgy and an MBA (B.Sc. from the Colorado School of Mines and three

Masters degrees from Columbia University), mining industry operational experience, and holds a patent for a gold mineral processing technology.

David Garofalo • President and Chief Executive Officer of Hudbay Minerals Inc. • Previously served as Senior Vice President, Finance and Chief Financial Officer and a director with Agnico-Eagle Mines Limited

Mr. Garofalo worked in various finance roles including Treasurer with Inmet Mining Corporation.

Greg Hall Qualified Person under NI 43-101

• Over 40 years experience in the mining industry. Chief geologist world-wide of Placer Dome until the Barrick takeover • Credited discoveries include Granny Smith Mine (Barrick), Yandi Mine (Rio Tinto)

Mel Leiderman, CA, CPA

• Managing Partner of Lipton LLP, Chartered Accountants. • Current Member of Agnico-Eagle Mines Limited Audit Committee (Chair from 2005 – 2011) • Board of Trustees – Morguard North American Residential REIT. Audit committee member.

Douglas Reeson, MBA

• Current CEO of Gossan Resources Limited and a director of Lithium Americas Corp., Mega Uranium Ltd. and Soltoro Ltd.

John S.M. Turner • Partner at Fasken Martineau DuMoulin LLP and the Leader of its Global Mining Group • Has been recognized on numerous occasions including Best Lawyers in Canada for Natural Resources Law • Recipient of the Queen's Golden Jubilee Medal and is a member of both the Canadian Association and the Law Society of

England and Wales.


Analyst Coverage

Research Firm Analyst Latest Coverage Target/Rating

Canaccord Genuity Nicholas Campbell August 2013 $1.60 – Spec. Buy

Clarus Securities Jamie Spratt August 2013 $0.95 – Sell

Dundee Securities Joseph Fazzini August 2013 $1.00 – Neutral

GMP Securities George Albino August 2013 $3.25 – Buy


NOTES


Corporate Presentation

Business

cautionary statements

statements of historical

colossus minerals

future events

colossus actual results

future performance

nature of future exploration

future carry