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.

May 3, 2013 2

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

May 3, 2013 3

Serra Pelada 2013 OBJECTIVES

Objective Target

Extract and analyze bulk sample from the CMZ Second quarter

Initial NI 43-101 outlining 12 months probable

resources and reserves Early second quarter

Complete process plant construction Early second half

Initial production Early second half

First gold pour Second half

Design & engineer flotation plant Second half

Complete PGM flotation plant First half 2014

May 3, 2013 4

Capital Structure AS AT APRIL 30, 2013 EXCEPT WHERE OTHERWISE NOTED

All dollar amounts $CDN, unless noted Current Position

Shares outstanding - basic 107.0 million

Shares outstanding - fully diluted 121.1 million

Market capitalization (04/01/13) C$329.4 million

Share price (04/01/13) C$3.08

52-week range C$2.33 – C$6.03

Insider ownership (approximate) 1.4%

Institutional ownership (approximate) 65%

Options & Warrants (5,175,000 - CSI.WT.A –Exp. Nov 8/16 ) 14.0 million

Cash balance (December 31/12) US$63.5 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, Acuity, Sprott Asset Management, Van Eck, Franklin Advisers, RBC

Global Asset Management, Franklin Templeton, Fidelity, BC Investment, MFS

May 3, 2013 5

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 3.1%

forecast in 2013

• Inflation estimated at 5.7%

and stable monetary policy

May 3, 2013 6

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

May 3, 2013 7

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%

May 3, 2013 8

High Grade Deposit GRADE VARIABILITY

May 3, 2013 9

High Grade Deposit GRADE VARIABILITY

May 3, 2013 10

Underground Drilling DEFINING AND DELINEATING THE CMZ

• Exploration and definition underground

drilling commenced in Dec 2011

• Bulk sample currently being extracted

from CMZ

• An initial NI 43-101 resource and

reserve statement will be produced

which will outline the initial resource

and reserve estimate for approximately

one year, allowing the Company to

accurately predict future earnings

• The drill spacing for this resource and

reserve statement will be as tight as

possible (5 to 10 metre centres)

• As decline and underground

development advances, so will the pace

of reserve drilling

May 3, 2013 11

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

May 3, 2013 12

Process Plant SIMPLIFIED FLOWSHEET

May 3, 2013 13

Process Plant DESIGN OVERVIEW

Gold Room

Scrubbing,

Screening and

Reagents

Primary Crushing Ball Mill and Gravity

Concentrators

May 3, 2013 14

Primary Crushing INSTALLING CAST IN CHUTE

May 3, 2013 15

Primary Crushing INSTALLING REBAR IN SLAB AROUND CAST IN CHUTE

May 3, 2013 16

Primary Crushing ELEVATED SLAB WITH CAST IN CHUTE

May 3, 2013 17

Primary Crushing FINAL PREPARATION FOR CRUSHER INSTALLATION

May 3, 2013 18

Transfer Tower ERECTION OF STRUCTURAL STEEL

May 3, 2013 19

Primary Crushing INSTALLATION OF CONVEYORS FROM PRIMARY CRUSHER AREA

May 3, 2013 20

Scrubbing POURING LEAN CONCRETE

May 3, 2013 21

Reagents Building ERECTION OF STRUCTURAL STEEL

May 3, 2013 22

May 3, 2013

Process Plant BALL MILL, GRAVITY CONCENTRATORS & GOLD ROOM DESIGN

Gold Room

Ball Mill

Gravity Concentrators

23

Process Plant BALL MILL FOUNDATION CONSTRUCTION

May 3, 2013 24

Mill Feed Bin ERECTING COLUMNS

May 3, 2013 25

Ball Mill FINISHING SLAB ON GRADE

May 3, 2013 26

Gold Room INSTALLING REBAR IN SLAB

May 3, 2013 27

Gold Room POURING CONCRETE IN TANK BASES

May 3, 2013 28

Process Water Tank INSTALLING REBAR IN FOOTING

May 3, 2013 29

Thickener POURING STRUCTURAL CONCRETE

May 3, 2013 30

Thickener INSTALLING SUPPORT STEEL

May 3, 2013 31

Thickener BOTTOM PLATES INSTALLED, SIDE WALLS & STAIR TOWER STARTED

May 3, 2013 32

Thickener ERECTING PLATFORM IN STAIR TOWER

May 3, 2013 33

Thickener LIFTING FIFTH WALL SECTION INTO PLACE

May 3, 2013 34

Thickener ERECTION OF THICKENER WALLS

May 3, 2013 35

Power House INSTALLING FORMS IN TRENCH AND ERECTING MEZZANINE

May 3, 2013 36

Power House ROOF ON – CONSTRUCTION OF MEZZANINE UNDERWAY

May 3, 2013 37

Development Decline

May 3, 2013 38

Underground Development CONTINUING WITH PRIMARY DEVELOPMENT

May 3, 2013 39

Underground Development DEVELOPMENT IN THE BULK SAMPLE ACCESS DRIFT

May 3, 2013 40

Underground Development ELECTRICAL SUBSTATION COMMISSIONED IN DECEMBER 2012

May 3, 2013 41

Underground Development REFUGE STATION COMMISSIONED IN JANUARY 2013

May 3, 2013 42

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

May 3, 2013 43

Bulk Sample MINERALIZED MATERIAL ON THE RUN OF MINE PAD

May 3, 2013 44

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

May 3, 2013 45

Exploration Potential CONNECTING THE LOWER LIMB TO THE CMZ

May 3, 2013 46

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.

May 3, 2013 47

Sierra Pelada

Cutia

Cutia Project DRILLING COMMENCES IN 2013

• 75% ownership interest purchased from

COOMIC for R$3.6 million (~USD $2.0

million) payable in installments upon

satisfaction of certain milestones.

• Mesothermal gold and silver project

• 633 hectares, 13 km SE of Serra Pelada,

accessed by same road

• Mineralized vein system occurs along the Cutia

Fault Zone that separates two major lithologic

domains

• 3 metre thick quartz veins outcropping on

surface

• ~ 65,000 ounces produced by artisanal

miners between 1988 and 1992

• 2.5 km of strike length and still open to

the west and east

May 3, 2013 48

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, financed to initial production and construction is well

underway

• 110,000 metres drilled, significant exploration upside

May 3, 2013 49

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

info@colossusminerals.com

www.colossusminerals.com

May 3, 2013 50

APPENDICES

May 3, 2013 51

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)

May 3, 2013 52

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

May 3, 2013 53

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

May 3, 2013 54

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$177,665**) 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 1.97 R$ per US$ (2/22/13)

May 3, 2013 55

Area B PAYMENT STRUCTURE

• Have paid COOMIGASP R$8 million

(US$4.5 million)

• Will pay COOMIGASP a royalty payment of 0.4326

of gold price of precious metals sold*

• Assume conditions of the Vale Agreement:

• Spend US$5 million in exploration over 3 years.

• Present a reserve estimate (proven + probable)

by the end of the 3rd year.

• Pay Vale a fee of US$35/oz of gold, platinum,

palladium based on the reserve estimate.

Consideration

700 – Hectare Land Tenement

•Precious metal is defined as any one of gold, platinum, palladium,

rhodium, osmium, ruthenium or iridium.

May 3, 2013 56

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*

* Precious metal is defined as any one of gold, platinum,

palladium, rhodium, osmium, ruthenium or iridium

Consideration

74 - Hectare Land Tenement

May 3, 2013 57

Warrants and Options AS AT APRIL 30, 2013

Warrant price # of

warrants Expiry

$8.50 5,175,000 Nov 8, 2016

Range Options

Outstanding Options

Exercisable

$0.48CAD - $1.50CAD

150,000 150,000

$1.51CAD - $3.00CAD 285,000 83,750

$3.01CAD - $4.50CAD 2,945,000 1,633,750

$4.51CAD - $6.00CAD 2,485,000 1,203,750

$6.01CAD - $8.37CAD 2,980,000 2,830,000

TOTAL: 8,845,000 5,901,250

May 3, 2013 58

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.

Luis Albano Tando VP, Operations &

Country Manager,

Brazil Qualified Person

under NI 43-101

• Mining engineer with twenty five years’ experience working at increasingly senior levels of a number of organizations.

• Previously COO at OROSUR Mining Inc.

• Prior to this, worked in a variety of capacities for Kinross

• He is also a fellow of the Australian Institute of Mining and Metallurgy (AusIMM)

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.

Lesley Duncan

VP, Corporate

Secretary

• Over 10 years experience as a securities law clerk and corporate secretary.

• Held the Corporate Secretary position at Breakwater Resources Ltd. for 4 years. Prior to that she was Breakwater’s Corporate and

Securities Law Clerk.

• Ms Duncan is a member of Canadian Society of Corporate Secretaries.

May 3, 2013 59

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.

May 3, 2013 60

Analyst Coverage

Research Firm Analyst Latest Coverage Target/Rating

Clarus Securities Jamie Spratt April 2013 $8.25 – Spec. Buy

GMP Securities George Albino April 2013 $11.50 – Buy

Canaccord Genuity Nicholas Campbell March 2013 $7.75 – Spec. Buy

Stifel, Nicolaus Craig Stanley April 2013 $3.55 – Buy

Dundee Securities Joseph Fazzini Under Review

Macquarie Securities Michael Gray April 2013 $4.00 – Outperform

May 3, 2013 61

NOTES

May 3, 2013 62