Primero Second Quarter 2015 Results

August 5, 2015
Second Quarter 2015 Operating & Financial Results

TSX P | NYSE PPP | 2
This presentation may contain “forward-looking” statements within the meaning of Canadian securities legislation and the
United States Private Securities Litigation Reform Act of 1995. Forward-looking statements relate to future events or the
anticipated performance of the Company and reflect management’s expectations or beliefs regarding such future events and
anticipated performance. In certain cases, forward-looking statements can be identified by the use of words such as “plans”,
“expects”, “is expected”, “budget”, “scheduled”, ”estimates”, ”forecasts”, ”intends”, ”anticipates” or “believes”, or variations of
such words and phrases or statements that certain actions, events or results “may”, ”could”, “would”, ”might”, or “will be taken”,
“occur” or “be achieved”, or the negative of these words or comparable terminology. By their very nature forward-looking
statements involve known and unknown risks, uncertainties and other factors which may cause the actual performance of the
Company to be materially different from any anticipated performance expressed or implied by the forward-looking statements.
Such factors include various risks related to the Company’s operations, including, without limitation, fluctuations in spot and
forward markets for gold, silver and other metals, fluctuations in currency markets, changes in national and local governments in
Mexico and the speculative nature of mineral exploration and development, risks associated with obtaining necessary
exploitation and environmental licenses and permits, and the presence of laws that may impose restrictions on mining. A
complete list of risk factors are described in the Company’s annual information form and will be detailed from time to time in the
Company’s continuous disclosure, all of which are, or will be available, for review on SEDAR at www.sedar.com.
This presentation uses the terms “measured resources”, “indicated resources” and “inferred resources”. The Company advises
readers that although these terms are recognized and required by Canadian regulations (under National Instrument 43-101
Standards of Disclosure for Mineral Projects (“NI 43-101”), the United States Securities and Exchange Commission does not
recognize them. Readers are cautioned not to assume that any part or all of the mineral deposits in these categories will ever be
converted in to reserves. In addition, “inferred resources” have a great amount of uncertainty as to their existence, and economic
and legal feasibility. It cannot be assumed that all or any part of an inferred mineral resource will ever be upgraded to a higher
category. Under Canadian rules, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility
studies, or economic studies, except for a Preliminary Assessment as defined under NI43-101. Investors are cautioned not to
assume that part or all of an inferred resource exists, or is economically or legally mineable.
Although the Company has attempted to identify important factors that could cause actual performance to differ materially
from that described in forward-looking statements, there may be other factors that cause its performance not to be as
anticipated. The Company neither intends nor assumes any obligation to update these forward-looking statements or
information to reflect changes in assumptions or circumstances other than required by applicable law. There can be no
assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially
from those currently anticipated. Accordingly, readers should not place undue reliance on forward-looking statements.
Unless otherwise indicated, all dollar values herein are in US$.
Cautionary Statement

Management Participants
Joseph Conway | Chief Executive Officer
• 30 Years of experience
• Appointed President and CEO in June 2010
• Former CEO, President & Director of IAMGOLD and Repadre Capital
Wendy Kaufman | Chief Financial Officer
• Appointed CFO in September 2014
• Former VP, Finance and Treasurer of Inmet Mining Corporation
Ernest Mast | President & COO
• Appointed President & COO in Feb. 2015
• Former President & CEO – Minera Panama (Inmet), VP Ops. – New Gold.

10%
GOLD PRODUCTION
Increase over Q2 2014
Q2 2015 At a Glance
45%
SILVER PRODUCTION
Increase over Q2 2014
$22.6million
OPERATING CASH FLOW
Before Changes in Working Capital1
$654
TOTAL CASH COST
Per Gold Equivalent Ounce2
Primero delivered strong results in Q2 2015. San Dimas delivered
near-record production exceeding expectations, and Black Fox saw a 27%
increase in production versus Q1 2015 at 29% lower cash costs.
*See final slide for footnotes.

Strong Financial Position
SUFFICIENT LIQUIDITY TO FUND ORGANIC GROWTH
Source: 2015E-2017E Operating Cash Flow – Thomson One consensus CFPS multiplied
by current 162 million shares outstanding.
Consensus Estimated Operating
Cash Flow ($ millions)
$115M
STRONG LIQUIDITY
$118M3
PRUDENT DEBT LEVEL
As at June 30, 2015
Exchanges
TSX: P
NYSE: PPP
Balance Sheet
(As at June 30, 2015)
Cash $40 million
Line of Credit4 $75 million
Total Liquidity $115 million
Convertible Debenture
(6.5%, due Mar. 2016, US$14.00 conversion)
$47 million
Convertible Debenture
(5.75%, due Feb. 2020, US$6.55 conversion)
$71 million
Line of Credit Draw Down4
(Due May 2017)
Nil
Total Debt3 $118 million
Capital Structure
Common Shares Outstanding 162 million
Fully Diluted5 173 million
Market Capitalization
(At July 31, 2015)
C$550 million
$72 $74
$86
$127
$139
2013 2014 2015E 2016E 2017E

Strong Financial Results
(US$ thousands,
except per share amounts)
Q2
2015
Q2
2014
Revenues 67,371 79,669
Earnings from mine operations 11,078 24,644
Net income (loss) (6,744) 5,118
EPS
($ per share)
(0.04) 0.03
Adjusted net income
6
1,146 5,312
Adjusted EPS
6
($ per share)
0.01 0.03
Operating cash flows
1
(before changes in working capital)
22,556 26,431
CFPS
1
($ per share)
0.14 0.17
$19
$23
Q1 2015 Q2 2015
+20%
Operating Cash Flows
before changes in working capital
(US$ millions)

Gold and Silver Production Increased 10% and 44%
Operating Results
Q2
2015
Q2
2014
Gold equivalent production
7
(gold equivalent ounces)
62,490 63,414
Gold production
(ounces)
54,862 50,061
Silver production
7
(million ounces)
2.15 1.49
All-in sustaining costs
2
($ per gold ounce)
$1,036 $1,228
Total cash cost
2
($ per AuEq ounce)
$654 $672
Total cash cost
2
– by-product
($ per gold ounce)
$579 $508
50
55
Q2 2014 Q2 2015
+10%
Gold Production
(Au koz)
1.5
2.2
Q2 2014 Q2 2015
+44%
Silver Production
(Ag Moz)

San Dimas Continues to Exceed Expectations
Q2
2015
Q2
2014
Mill throughput
8
(tonnes per day)
2,816 2,405
Gold equivalent production
7
44,128 46,248
Gold production
7
(ounces)
36,500 32,895
Silver production
7
(million ounces)
2.15 1.49
Gold grade
(grams per tonne)
4.60 4.97
Silver grade
(grams per tonne)
275 230
2
($ per gold ounce)
$822 $626
Total cash cost
2
($ per AuEq ounce)
$608 $551
Total cash cost
2
– by-product
($ per gold ounce)
$487 $252
San Dimas
Mill Throughput
(TPD)
2,405
2,816
Q2 2014 Q2 2015
+17%

Black Fox Achieved Higher Production at Lower Costs
Q2
2015
Q2
2014
Mill throughput
8
(tonnes per day)
2,441 2,307
Gold production
7
(ounces)
18,362 17,166
Gold grade
(grams per tonne)
2.65 2.69
2
($ per gold ounce)
$1,071 $1,771
Total cash cost
2
($ per gold ounce)
$762 $998
Black Fox AISC
($/oz Au)
$1,771
$1,071
Q2 2014 Q2 2015
-40%

Production To Increase By Up To 20% In 2015
HIGH-GRADE PRODUCTION WITH ORGANIC GROWTH
161
180
190
215
64
80
100
100
2014 2015E 2016E 2017E
Black Fox
San Dimas
300-350
250-270
280-300
225
11
Guidance Black Fox San Dimas 2015
Attributable
production7
75,000-
85,000
175,000-
185,000
250,000-
270,000
Gold production7
(ounces)
75,000-
85,000
145,000-
155,000
220,000-
240,000
Silver production7
(million ounces)
- 6.5-7.5 6.5-7.5
All-in sustaining
costs2,9
(per gold ounce)
$1,150-$1,200 $890-$940 $1,050-$1,150
Total cash costs2,9
(per gold equivalent
ounce)
$820-$870 $590-$640 $650-$700
Capital expenditures
($ millions)
$38 $54 $103
Targeted Production Growth Profile
(AuEq koz)
7,10

Production Details
LOCATION Guanajuato State, Mexico
OWNERSHIP 100% (no stream)
METALS Gold, Silver, & Copper
MINING Open pit, Heap leach
STAGE May 2012 Feasibility Study
on Phase 1 Heap Leach
Development Details
LOCATION 32km south of San Dimas, Durango, Mexico
METALS Gold & Silver
PROPERTY 3,470 hectares containing 17 old mine workings
STAGE Internal scoping study underway for 500 to
1,000 TPD ore feed for San Dimas mill
Exploration Details
LOCATION Sinaloa-Durango, Mexico
OWNERSHIP 100% (silver stream7)
MINING Underground
CAPACITY 2,500 TPD (nameplate)
2015E
180,000AuEq oz7
$915 per oz2,9
all-in sustaining costs
San Dimas
Ventanas
Cerro del
Gallo 95,000AuEq oz7
24 months from a
construction decision
MEXICO
Platform Asset with Exploration Pipeline

The Company’s Foundation
SAN DIMAS
Mineral Reserves and Mineral Resources
(December 31, 2014, Mineral Resources include Mineral Reserves)
Classification
Tonnage
(Mt)
Gold
Grade
(g/t)
Cont.
Gold
(koz)
Mineral Reserves
Proven & Probable 4.5 5.7 818
Mineral Resources (includes Mineral Reserves)
Measured & Indicated 4.6 6.6 970
Inferred 6.5 3.8 786
Mazatlan
San Dimas Mine
SINALOA-DURANGO BORDER
Ventanas Exploration Property
DURANGO
LOCATION Sinaloa-Durango, Mexico
OWNERSHIP 100% (silver stream7)
MINING Underground
CAPACITY 2,500 TPD (nameplate)
PRODUCTION7,11 175,000-185,000 AuEq oz
CASH COSTS2,9 $590-$640/AuEq oz
Mexico

Expanding Production in 2015+
SAN DIMAS
Production Increasing by up to 20% in 2015
• Mill expansion to 3,000 TPD ahead of schedule
• Mill operating well above nameplate capacity
Productivity Improvements
• Moving from 5.5 day, 3x8-hour shifts to 7 day,
2x12-hour shifts
• Increasing high performance development crews
• Completed strategic tunnels to reduce haulage
routes and lower costs
Optimization Programs
• Increasing to 40% long-hole mining in 2015
• Introduced tailings washing system to optimize
recoveries
• Benefiting from expanded hydro-electric facility
capacity to 14 MW ($0.015 /kWh vs $0.12 /kWh
from the grid). Reducing costs during peak
power consumption and operating 24-hours per
day since early July.
Improving Productivity

Construction
• Mill expansion to 3,000 TPD began in Q1
2015 and is expected to be completed by
April 2016
Capital Cost
• Currently estimated at $17.7 million,
reduced from $26.4 million.
Production
• An estimated increase by more than 30%
over 2014 to approximately 215,000 gold
equivalent ounces
Cash Costs
• Expected to drop by ~$50 per ounce from
2014 levels
Expansion to 3,000 TPD
SAN DIMAS
1,500
2,000
2,500
3,000
Actual
Forecast
Base Production
Mine at 2,150 TPD
Mill Expanded to 2,500 TPD
Mine at 2,500 TPD
Mill Expanded to 3,000 TPD
2011 2012 2013 2014 2015E 2016E
San Dimas Mill Throughput (TPD)

Significant Exploration Upside
SAN DIMAS
Large Prospective Property
• 22,500 hectare property
• Over 120 known veins
• 90% of Reserves located within
6km of mill
• Entire property highly prospective
Jessica Vein Discovery
• Not included in 2014 Resource
estimate, currently being mined
• Open with drifting along 300 metres
strike and 30 metres dip averaging
10.0 g/t gold and 1,500 g/t silver
• Located under volcanic capping
Victoria Vein
• Reserves of 168koz of gold at
9.1 g/t and 7.9Moz of silver at 428 g/t
Perez Vein
• Intercepts include 7.4 g/t gold and
528 g/t silver over 11.9 m

LOCATION 32 km south of San Dimas
MINING Underground
CAPACITY 500 to 1,000 TPD (potential)
• Property totals 3,470 hectares containing 17
old mine workings
• 100% owned and NOT covered by the silver
purchase agreement with Silver Wheaton
• Internal scoping study underway to assess
500 to 1,000 TPD of ore feed for the
San Dimas mill
100% Owned Ounces Located Close to San Dimas
VENTANAS
Recent Channel Sample Highlights
• Mala Noche ore shoot: 2.8 g/t Au, 270 g/t Ag (6.8 g/t AuEq)
along 112 metres
• San Pedro ore shoot: 2.3 g/t Au, 274 g/t Ag (6.4 g/t AuEq)
along 140 metres
San Dimas Region

Production Details
LOCATION 3.5 km south of Black Fox, Ontario
METALS Gold
MINING Open pit & potential underground
STAGE Scoping study to be completed by Q1 2016
Development Details
LOCATION Between Grey Fox and Black Fox
OWNERSHIP 100% (6.3% gold stream on Pike River7)
METALS Gold
PROPERTY 1,750 hectares (total contiguous land package,
including Black Fox and Grey Fox), covering 6.5 km
strike length of the Destor-Porcupine Fault Zone
Exploration Details
LOCATION Timmins, Ontario
OWNERSHIP 100% (8% gold stream7)
METALS Gold
MINING Open pit & Underground
CAPACITY 2,200 TPD
2015E
80,000Au oz7
$1,175 per oz2,9
all-in sustaining costs
Black Fox
Pike River
Property
Grey Fox
Multi-Million Ounce Gold District
CANADA

District Wide Proven Depth Potential
BLACK FOX COMPLEX
Classification Property
Tonnage
(Mt)
Gold
Grade
(g/t)
Cont.
Gold
(koz)
Mineral Reserves
Proven &
Probable
Black Fox 3.0 4.0 393
Mineral Resources (includes Mineral Reserves)
Measured &
Indicated
Black Fox 3.6 5.3 608
Measured &
Indicated
Grey Fox 4.7 4.4 668
Inferred Black Fox 0.3 8.3 68
Inferred Grey Fox 1.3 4.2 174
LOCATION Timmins, Ontario
OWNERSHIP 100% (8% gold stream7)
METALS Gold
MINING Open pit & Underground
CAPACITY 2,200 TPD
PRODUCTION7,11 75,000-85,000 oz
CASH COSTS2,9 $820-$870/ oz
Timmins, Ontario

Ramp to Deep Central Zone Approved
• Construction is underway to the 640 metre level
• Initial gold production from the Deep Central
Zone to commence in 2016
• Estimated to contain 160,000 ounces at ~8.5 g/t
and remains open along strike and down dip
• Will provide access points for new drill pads to
drill below 800 metres depth
Exploration Upside
• $4.7 million additional exploration spending
approved for the second half of 2015
• Includes 29,300 metres of drilling and 100
metres of drifting
• H1 2015 drilling estimated to have already
replaced estimated full-year 2015 production
Beyond 2017
• Black Fox scoping study to assess potential for
raise-bore shaft
• Grey Fox open-pit scoping study to be completed
by Q1 2016
Established Mining Complex with Exploration Upside
BLACK FOX COMPLEX
Mining Complex with Upside Opportunity

Higher Grade Opportunity from the Deep Central Zone
BLACK FOX
Ramp Construction In Progress
• Initial mining of Deep Central
Zone planned for 2016
• Mineralized material from ramp
development to offset costs
Deep Central Zone
• Estimated 160 koz at 8.5 g/t
• Remains open along strike and at
depth
Exploration at Depth
• New drill pads to target
mineralization below 800 m
• Drilling to 1,000 m in 2015.
Proven to 800 m depth

Open Land Package
• 66,700 metres of drilling planned in 2015
• Potential to further increase resources by
testing for down-dip and strike extensions
• Environmental permitting for open pit mining
underway
Future Production for the Black Fox Complex
GREY FOX
Growing Resources Through the Drill Bit
Long Section Looking West
(September 2013 Resource Model; 2.5 g/t cut-off grade)
Long Section Looking West
(December 2014 Resource Model; 3.0 g/t cut-off grade)
147 Zone Contact Zone
Grey = Indicated, Green = Inferred
Red = Indicated, Green = Inferred
147 Zone Contact Zone
Classification
Tonnage
(Mt)
Gold
Grade
(g/t)
Cont. Gold
(koz)
Mineral Resources
Measured &
Indicated
4.7 4.4 668
Inferred 1.3 4.2 174
LOCATION 3.5 km south of
Black Fox, Ontario
METALS Gold
MINING Open pit &
Potential underground
STAGE Scoping study in progress

Expected Catalysts and News Flow
Q1 2015
Reserve and Resource
Update
Plus discovery of Jessica
vein at San Dimas
Q1 2015
Black Fox Complex
Exploration Update
Drilling from
520 metre level
exploration drift
Q1 2016
Release
Grey Fox
Scoping Study
20162015
Q3 2015
Increase Black Fox
Underground Production
Complete ramp-up to
1,000 TPD production
from the underground mine
2015
San Dimas Expansion
In-Progress
Continue to advance
expansion to 3,000 TPD
Q4 2015
Black Fox
Exploration
Exploration results
from drilling to a depth
of 1,000 metres
2016
San Dimas Expansion
Complete
Steady-state 3,000 TPD
throughput achieved

Positioned to Outperform
DELIVERING SUPERIOR RETURNS
250–270koz
MEXICO & CANADA7,11
Primero Share Price Performance
(January 2012 to Present)
Producing in America’s Top Mining Jurisdictions
Disciplined Cost Management
Strong Financial Position
Proven Track Record
$650–700/oz
TOTAL CASH COST2,9
$115million
CASH & AVAILABLE CREDIT4
+60%
VS. TSX GLOBAL GOLD
(100%)
(40%)
20%
80%
140%
Primero Mining Corp. S&P/TSX Global Gold Index
Delivering Superior Returns to Primero Shareholders

Lower Capital Expenditures & Investment in Exploration
2015 GUIDANCE
Note: Figures may not add due to rounding.
Capital Expenditures
Estimated
2015 Costs
San Dimas Underground Development $15.2 million
San Dimas Sustaining Capital $10.8 million
San Dimas Projects $15.4 million
San Dimas Sub Total $41.4 million
Black Fox Underground Development $19.5 million
Black Fox Sustaining Capital $4.5 million
Black Fox Projects $3.4 million
Grey Fox Development Studies $1.3 million
Black Fox Complex Sub Total $28.7 million
Cerro del Gallo Development $2.7 million
Total $72.8 million
2014 Capital Expenditure $80.5 million
Exploration Expenditures
Estimated
2015 Costs
San Dimas Diamond Drilling $6.9 million
San Dimas Drifting $4.5 million
San Dimas Regional Diamond Drilling $1.5 million
Ventanas Regional Diamond Drilling *$1.0 million
San Dimas Sub Total $13.9 million
Black Fox Diamond Drilling $9.7 million
Grey Fox & Regional Exploration $7.3 million
Black Fox Complex Sub Total $17.0 million
Cerro del Gallo Geology Mapping $0.7 million
Total $31.6 million
2014 Exploration $34.3 million

Sensitivity Table
PRIMERO
Base Price
Change
Increments
Δ CFPS1,11
($/share)
Δ AISC2,11
($/oz Au)
Δ FCF11
($ millions)
Gold Price
($/oz)
$1,200 $100 $0.12 n/a $20
Silver Price
($/oz)
$18.00 $3.00 $0.01 $7 $1
Canadian Dollar
(Cdn$/US$)
1.10 10% $0.05 $40 $10
Mexican Peso
(Mex$/US$)
13.00 10% $0.04 $35 $8

2014 Operating Cost Breakdown
PRIMERO
40%
18%
17%
7%
6%
5%
4% -5%
Labour Contractors
Materials & Consumables Fuel & Lubricants
Maintenance Power
Freight, Refining, & Off-Site Other Adjustments
40%
17%
17%
3%
6%
2%
5%
10%
33%
17%13%
9%
6%
6%
2%
-14%
ConsolidatedSan Dimas
Black Fox

PRIMERO
Stock Performance & Significant Events
0
10
20
30
-80%
-60%
-40%
-20%
0%
20%
40%
60%
80%
8/13/2010 2/13/2011 8/13/2011 2/13/2012 8/13/2012 2/13/2013 8/13/2013 2/13/2014 8/13/2014 2/13/2015
Volume(Millions)
P-T Volume
Primero Mining Corp.
S&P/TSX Global Gold Index
Primero IPO,
Begins Trading
on the TSX,
and Finalizes
San Dimas
Acquisition
Primero
Announces
Brigus Gold
Acquisition
Primero Added to
S&P/TSX
Composite IndexPrimero Announces
San Dimas
Expansion Plan
Phase 1
Primero
Begins
Trading on
the NYSE Primero Announces
Acquisition of Cerro
Del Gallo
Primero
Announces
APA Ruling
Spot Gold
Hits 4-
Year Low
Primero
Closes
US$75M
Offering of
Convertible
Debentures

Convertible
Debentures
TSX: P.DB.U
Revolving Line
of Credit Facility
Convertible
Debentures
TSX:P.DB.V
Face Value $48.1 million Drawn at Mar. 31, 2015: Nil $75.0 million
Maturity / Expiry March 31, 2016 May 23, 2017 February 28, 2020
Interest Rate 6.5% Floating Rate (see below) 5.75%
Payable Semi-Annually Monthly Semi-Annually
Conversion / Strike US$14.00 n/a US$6.55
Additional Notes  Provision for forced
conversion if the market
price of the Primero’s
shares is at least 125% of
the conversion price
 CUSIP: 74164WAA4
 The floating interest rate
was approximately 4.75%
per annum during the year
ended December 31, 2014
 Not redeemable prior to
Feb. 2018
 Provision for early
redemption if the market
price of the Primero’s
shares is at least 125% of
the conversion price
 CUSIP: 74164WAB2
Summary of Debt & Tradable Securities
PRIMERO

Primero sells 8% of annual gold production
at Black Fox at ~$518 per ounce
• Primero streams 6.3% from the Black Fox
Extension which includes the Pike River
Property
• Gold is sold at $500 per ounce subject to
inflationary adjustment beginning in 2013,
not to exceed 2% per annum
• The Grey Fox property is not subject to any
gold streaming agreements
Silver Purchase Agreement
SAN DIMAS BLACK FOX
Gold Streaming Agreement
16%
84%
Silver Gold
Silver as Percentage
of 2014 Revenue
Primero sells 50% of annual silver
production above 6.0 million ounces at spot
• Remainder sold at ~$4.20 per ounce under
silver purchase agreement
• Threshold commences August 6 to
following August 5
• Expansion anticipated to generate
meaningful silver spot sales post expansion
to 3,000 TPD
• Does NOT include the Ventanas property

District-Wide Exploration Potential
SAN DIMAS
SW NE
3,000 m.
2,000 m.
1,000 m.
Source: San Dimas Geology Office
WEST BLOCK
2015 Exploration
SAN ANTONIO
Mined 1987-2002
CENTRAL BLOCK
Mined 2002-Current
TAYOLTITA BLOCK
Mined 1975-Current
ARANA
HANGING WALL
SINALOA
GRABEN
Mined 2012-Current
2015 EXPLORATION PROGRAM
Drilling for Extensions of Known Veins
Longitudinal Cross Section
3,000 m.
2,000 m.
1,000 m.
Mineralization – Ore Bodies
Extension of the
Favorable Horizon
Potential
Intrusive
Faults
LEGEND
Kilometers
0 1 2

Grey Fox
• Gold resources hosted
primarily in 3 zones: Contact,
147, & Grey Fox South
• Mineralization consistent
with Brittle Deformation
emplacement
• Bounded by the Destor-
Porcupine and Gibson-Kelore
faults
Contact Zone
• Gold mineralization traced
over 600 x 550 metres, and
to a depth of 700 metres.
Remains open to the north
and at depth.
147 Zone
Grey Fox South
The Continuation of a Regional Play
GREY FOX
Contact
Zone
147 Variolitic
Volcanic
Sedimentary
Unit
Mafic
Volcanic
Mafic
Intrusive
Variolitic
Volcanic
Mafic
Volcanic
Ultramafic
Volcanic
147 Zone
GF South
Contact Zone
Black Fox Mine
Grey Fox Project
Hislop Mine
1.3 km &
Open to
the North

Depositional Model
BLACK FOX COMPLEX
Colvine et al. (1988)
Troop (1985)
Archean Lode Gold Deposits
Depositional Model
147 &Contact
Zones
• Mineralization
predominantly in
stockwork structures
Black Fox Mine
• Mineralization
predominantly in
vein structures
Producing & Past-
Producing Mines
Ross Mine Composite Level Plans
Upper Portion of the Ross Mine Shows
Mineralization Characteristics Similar to
the Grey Fox 147 Zone
• Ross Mine is located 3 km south of
the 147 Zone
• Ross Mine produced over 1 million
ounces at 4.7 g/t average grade.
• Note the change in ore body shape
over a vertical range of 1 km as one
moves from a brittle to a ductile
environment.

Potential for an Additional 95,000 AuEq oz
CERRO DEL GALLO
(1) “Technical Report First Stage Heap Leach Feasibility Study, Cerro del Gallo Gold Silver
Project, Guanajuato, Mexico” June 2012 . Effective date May 11th 2012
(2) Cash cost is a non-IFRS measurement.
LOCATION Guanajuato State, Mexico
OWNERSHIP 100%
METALS Gold, silver, & copper
MINING Open pit, heap leach and/or
conventional mill
STAGE Feasibility Study published
May 2012 on Heap Leach
scenario
Established Infrastructure: Active mining
district, skilled local workforce, grid power, water,
sealed roads, equipment suppliers and established
transport routes.
Supportive Community: District has produced
1.14 billion oz of silver and 6.5 million oz of gold
over its 450 year mining history.
Construction Decision: Contingent on the
project achieving a 15% IRR at $1,100/oz gold
First Stage Heap Leach DFS – Operational Data (May 2012)1
Avg LOM Gold Grade 0.69 g/t
Avg LOM Annual Throughput 4.5 Mt
Gold Equivalent Production 95 koz /yr
Gold Production 68 koz /yr
Silver Production 1,072 koz /yr
Copper Production 1,113 t/year
Estimated Cash Costs
2
~$700/oz
Proven & Probable Gold Reserves
(32.2M tonnes at 0.7 g/t)
712 koz
Measured & Indicated Gold Resources
(Exclusive of Reserves, 47.9M tonnes at 0.6 g/t)
923 koz
Mine Life (Stage 1) 7.2 years
Large Gold Domain

HEALTH AND SAFETY
• We understand that our most important assets are our
people and their safety is our number one priority
• We maintain world-class health and safety policies
• In 2014 Black Fox won the “First Aid Trophy” in the
Ontario Mine District Competition in Timmins
• In 2014 Total Reportable Injury Frequency Rate (TRIFR)
declined by 36%
ENVIRONMENT
• Environmental awareness campaigns continued in 2014
• San Dimas is certified as “Clean Industry” by PROFEPA
(Mexican EPA)
• We utilize sustainable green technologies where possible
- Primero’s own hydroelectric dam supplies the majority
of San Dimas Mine’s power
COMMUNITY
• 3 Recreational Facilities were built in the town of Tayoltita
by Primero and Silver Wheaton
• The Black Fox Mine maintains strong relationships with
their communities and the Wahgoshig First Nation
• We treat our local communities as our partners
• We focus on understanding our local communities goals
and providing local opportunities
Focus on Responsible Mining
PRIMERO

SAN DIMAS
(As at December 31, 2014)
Classification
Tonnage
(Mt)
Gold Grade
(g/t)
Silver Grade
(g/t)
Contained
Gold
(koz)
Contained
Silver
(koz)
Mineral Reserves
Proven & Probable 4.470 5.7 352 818 50,510
Mineral Resources
Measured & Indicated 4.554 6.6 415 970 60,704
Inferred 6.514 3.8 293 786 61,310
Notes to Mineral Reserve Statement:
1. Assumed gold price of US$1,200 per troy ounce and silver price of US$18 per troy ounce.
2. San Dimas cut-off grade of 2.94 g/t AuEq based on total operating cost of US$110.06/t. Metal supply contract obligations have been referenced in determining overall vein reserve
estimate viability.
3. Assumed processing recovery factors at San Dimas for gold of 97% and silver of 94%.
4. Exchange rate assumed is 13 pesos/US$1.00.
5. The San Dimas Mineral Reserve estimate was prepared under the supervision of Mr. Clifford Lafleur, P.Eng., Director of Technical Services, Primero and a QP for the purposes of National
Instrument 43-101 (“NI 43-101”).
Notes to Mineral Resource Statement:
1. Mineral Resources are total and include those resources converted to Mineral Reserves
2. Assumed gold price of US$1,200 per troy ounce and silver price of US$18 per troy ounce.
3. San Dimas cut-off grade of 2.0 g/t AuEq was applied.
4. At San Dimas a constant bulk density of 2.6 tonnes/m3 has been used.
5. The Mineral Resource estimates for San Dimas was prepared under the supervision of Mr. Harold Brisson PhD, Eng., Resource Manager of Primero and a QP for the purposes of NI 43-101.

Classification
Tonnage
(Mt)
Gold Grade
(g/t)
Contained
Gold
(koz)
Mineral Reserves
Proven & Probable 3.022 4.0 393
Mineral Resources
Measured & Indicated 3.578 5.3 608
Inferred 0.255 8.3 68
Proven & Probable Reserves
Open Pit 0.879 2.2 61
Underground 1.239 7.5 300
Stockpile 0.904 1.1 31
Total 3.022 4.0 393
BLACK FOX
Notes to Black Fox Mineral Reserve estimate:
1. Assumed gold price of US$1,200 per troy ounce.
2. Black Fox open-pit cut-off grade of 0.9 g/t and underground cut-off grade of 3.7 g/t.
3. Assumed processing recovery factors at Black Fox for gold of 94%.
4. Exchange rate assumed is CDN$1.10/US$1.00.
5. The Black Fox Mineral Reserve estimate was prepared under the supervision of Mr. Clifford Lafleur, P.Eng., Director of Technical Services, Primero and Mr. Karl Dessureault, P.Eng., Chief
Mine Engineer Black Fox, Primero, and both a QP for the purposes of National Instrument 43-101 (“NI 43-101”).
Notes to Black Fox Mineral Resource estimate:
1. Mineral Resources are total and include those resources converted to Mineral Reserves.
2. Assumed gold price of US$1,200 per troy ounce .
3. Black Fox open-pit cut-off grade of 0.9 g/t gold and underground cut-off grade of 3.4 g/t were applied.
4. The Mineral Resource estimates for Black Fox was prepared under the supervision of Mr. Harold Brisson PhD, Eng., Resource Manager of Primero and a QP for the purposes of NI 43-101.

Mineral Resources
GREY FOX
Classification
Cut-off Grade
(g/t)
Potential
Material
Tonnage
(Mt)
Capped
Gold Grade
(g/t)
Contained
Gold
(koz)
Indicated Resources
>0.9 Open Pit 2.966 3.6 345
>3.0 Underground 1.715 5.9 323
Total 4.681 4.4 668
Inferred Resources
>0.9 Open Pit 0.280 2.9 26
>3.0 Underground 1.009 4.6 148
Total 1.289 4.2 174
Notes to Grey Fox Mineral Resource estimate:
1. Assumed gold price of US$1,200 per troy ounce.
2. Grey Fox open-pit cut-off grade of 0.9 g/t gold and underground cut-off grade of 3.0 g/t were applied.
3. The Mineral Resource estimate for Grey Fox was prepared by Mr. Rodney Webster MAusIMM, MAIG of AMC Mining Consultants (Canada) Ltd. and a QP for the purposes of National
Instrument 43-101 (“NI 43-101”).

Reserves and In-Pit Resources1
CERRO DEL GALLO
1. “Technical Report First Stage Heap Leach Feasibility Study, Cerro del Gallo Gold Silver Project, Guanajuato, Mexico” June 2012 (“Feasibility Study”). Gold equivalent ounces calculated by
Cerro Resources using gold, silver and copper prices of US$1,341/oz, US$25.58/oz and US$7,582/t respectively.
2. These resources are reported using internal cut-off grade of 0.2 g/tAu as per Feasibility Study, 2012 and Golder Associates Technical Report, 2008.
Phase I Heap Leach In-Pit Proven and Probable Reserves3
Proven 28.2 0.71 0.64 15.1 13.7 0.08 50.2 1.15 1.05
Probable 4.0 0.54 0.07 13.2 1.7 0.07 6.2 0.93 0.12
Proven & Probable 32.2 0.69 0.71 14.8 15.3 0.08 56.4 1.14 1.18
In-Pit Resources (excluding Proven and Probable Reserves)4,5
Measured 39.9 0.61 0.78 13.8 17.71 0.10 88.8 1.07 1.37
Indicated 8.0 0.55 0.14 11.0 2.83 0.08 14.6 0.92 0.24
Measured & Indicated 47.9 0.60 0.92 13.3 20.55 0.1 103.4 1.06 1.64
Category
Tonnage
(Mt)
Gold Grade
(g/t)
Contained
Gold
(Moz)
Silver Grade
(g/t)
Contained
Silver
(Moz)
Copper
Grade
(%)
Contained
Copper
(Mlb)
AuEq Grade
(g/t)
Contained
AuEq
(Moz)
Total Resources Within the Gold Domain2
Measured 129 0.54 2.24 12.0 49.8 0.09 256.0 0.94 3.91
Indicated 80 0.38 0.98 8.0 20.6 0.08 141.1 0.69 1.77
Measured & Indicated 209 0.48 3.22 11.0 70.3 0.08 396.9 0.83 5.58
Inferred 20 0.3 0.19 7.0 4.5 0.09 39.7 0.59 0.38
3. These reserves are reported using internal cut-off grades of 0.24 and 0.29 gAuEq/t for weathered and partially oxidized, respectively.
4. These resources are reported using internal cut-off grades of 0.24, 0.29, and 0.34 gAuEq/t for weathered, partially oxidized, and fresh material resp.
5. See note 7 in January 23, 2013 News Release “Primero achieves 2012 Guidance and Provides 2013 Outlook”.

Tamara Brown | VP, Investor Relations
• Former Director Investor Relations for IAMGOLD
• Former partner of a Toronto based, boutique investment bank and
professional engineer in mining industry
H. Maura Lendon | Chief General Counsel and
Corporate Secretary
• Former Senior Vice President, Chief Legal Officer and Corporate
Secretary of HudBay Minerals Inc.; Chief Counsel Canada, Chief
Privacy Officer - Canada of AT&T
David Sandison | VP, Corporate Development
• Former VP, Corporate Development of
Clarity Capital ; Director, Corporate Development
Xstrata Zinc Canada ; Director Business Development,
Noranda/Falconbridge; Former EVP, Noranda Chile
Louis Toner | VP, Project Development &
Construction
• Over 30 Years of Engineering and Construction experience,
formerly held Senior Project Management roles with BBA Inc. and
Lafarge Canada Inc.
Gabriel Voicu | VP, Geology and Exploration
• 25 Years of mining experience, formerly held senior technical and
exploration positions with Cambior and IAMGOLD
James Mallory | VP, Corporate Responsibility
• Over 35 Years of mining experience
• Former VP, Vice-President, Operations & Social Responsibility at
South American Silver
• 13 Years of experience in Latin America
Joseph Conway | Chief Executive Officer
• Appointed President and CEO in June 2010
• Former CEO, President & Director of IAMGOLD and Repadre
Capital
Wendy Kaufman | Chief Financial Officer
• Appointed CFO in September 2014
• Former VP, Finance and Treasurer of Inmet Mining Corporation
Executive Management
Ernest Mast | President & COO
• Appointed President & COO in Feb. 2015
• Former President & CEO – Minera Panama (Inmet), VP Ops. –
New Gold.
Maria-Luisa Sinclair | VP, Human Resources
• 25 Years of international Human Resources experience in the
mining sector with particular expertise in Latin America.
• Held key human resources positions with Placer Dome, Pan
American Silver, Baja Mining, and Skye Resources.

Robert Quartermain | Director 2,3
• Founder and President & CEO, Pretivm Resources
• Former President and CEO of Silver Standard
Brad Marchant | Director 1
• Co-founder of Triton Mining Corporation
• Founder of BioteQ Environmental Technologies Inc.
Michael Riley | Director 2,5
• Chartered accountant with more than 26 years of
accounting experience
• Chair of Primero Audit Committee
Eduardo Luna | Director 1
• Former EVP & President, Mexico. Former Chairman
and CEO of Silver Wheaton, Executive VP of
Goldcorp and Luismin S.A. de C.V. (San Dimas) and
President of Mexican Mining Chamber and the Silver
Institute
Rohan Hazelton | Director 1
• VP, Strategy, Goldcorp
• Formerly with Wheaton River and Deloitte & Touche
LLP
Grant Edey | Director 3,4,5
• President & CEO, Khan Resources Inc.
• Former Director of Breakwater Resources, former
director of Queenstake Resources, Santa Cruz Gold
• Former CFO, IAMGOLD
David Demers | Director 2,3,4,5
• Founder, CEO and Director Westport Innovations
• Director of Cummins Westport and
Juniper Engines
Wade Nesmith | Chairman
• Founder of Primero
• Founding and current director of Silver Wheaton
Board of Directors
Board Committees:
1. Health, Safety and Environment 2. Human Resources 3. Governance and Nominating 4. Lead Director 5. Audit
Joseph Conway | Director see Executive Management

This presentation has been prepared in accordance with the requirements of Canadian provincial securities laws which differ from the requirements of
U.S. securities laws. Unless otherwise indicated, all mineral reserve and resource estimates included in this presentation have been prepared in
accordance with Canadian National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”) and the Canadian Institute of Mining,
Metallurgy and Petroleum classification systems. NI 43-101 is a rule developed by the Canadian Securities Administrators that establishes standards for
all public disclosure an issuer makes of scientific and technical information concerning mineral projects. These standards differ significantly from the
requirements of the United States Securities and Exchange Commission (the “SEC”), and reserve and resource estimates disclosed in this presentation
may not be comparable to similar information disclosed by U.S. companies.
The mineral reserve estimates in this presentation have been calculated in accordance with NI 43-101, as required by Canadian securities regulatory
authorities. For United States reporting purposes, SEC Industry Guide 7 under the United States Securities Exchange Act of 1934, as amended, as
interpreted by Staff of the SEC, applies different standards in order to classify mineralization as a reserve. As a result, the definition of “probable
reserves” used in NI 43-101 differs from the definition in the SEC Industry Guide 7. Under SEC standards, mineralization may not be classified as a
“reserve” unless the determination has been made that the mineralization could be economically and legally produced or extracted at the time the reserve
determination is made. Among other things, all necessary permits would be required to be in hand or issuance imminent in order to classify mineralized
material as reserves under the SEC standards. Accordingly, mineral reserve estimates contained in this presentation may not qualify as “reserves” under
SEC standards.
In addition, this presentation uses the terms “indicated resources” and “inferred resources” to comply with the reporting standards in Canada. The
Company advises United States investors that while those terms are recognized and required by Canadian regulations, the SEC does not recognize them.
United States investors are cautioned not to assume that any part or all of the mineral deposits in these categories will ever be converted into mineral
reserves. Further, “inferred resources” have a great amount of uncertainty as to their existence and as to whether they can be mined legally or
economically. Therefore, United States investors are also cautioned not to assume that all or any part of the “inferred resources” exist. In accordance
with Canadian securities laws, estimates of “inferred resources” cannot form the basis of feasibility or other economic studies. It cannot be assumed that
all or any part of “indicated resources” or “inferred resources” will ever be upgraded to a higher category or are economically or legally mineable. In
addition, disclosure of “contained ounces” is permitted disclosure under Canadian securities laws; however, the SEC only permits issuers to report
mineralization as in place tonnage and grade without reference to unit measures.
NI 43-101 also permits the inclusion of disclosure regarding the potential quantity and grade, expressed as ranges, of a target for further exploration
provided that the disclosure (i) states with equal prominence that the potential quantity and grade is conceptual in nature, that there has been insufficient
exploration to define a mineral resource and that it is uncertain if further exploration will result in the target being delineated as a mineral resources, and
(ii) states the basis on which the disclosed potential quantity and grade has been determined. Disclosure regarding exploration potential has been
included in this presentation. United States investors are cautioned that disclosure of such exploration potential is conceptual in nature by definition and
there is no assurance that exploration will result in any category of NI 43-101 mineral resources being identified.
Notes to Investors Regarding the Use of Resources

1. “Operating cash flow” is operating cash flow before working capital changes. This and operating cash flows before working capital changes per share
(CFPS) are non-GAAP measures which the Company believes provides a better indicator of the Company’s ability to generate cash flow from its
mining operations. See the Company’s second quarter 2015 MD&A for a reconciliation of operating cash flows to GAAP.
2. Cash costs and All-in Sustaining Costs are non-GAAP measures. Refer to the Company’s second quarter 2015 MD&A for a reconciliation to operating
expenses.
3. As at June 30, 2015, US$47.0 million senior unsecured convertible debenture (acquired from Brigus, with a 6.5% coupon an effective conversion
price of US$14.00 and an expiry of March 2016); US$70.5 million convertible, unsecured, subordinated debentures; and nil draw down from line of
credit. Excludes capital leases.
4. The Company closed a $75 million line of credit on May 23, 2014 and has drawn down nil as of June 30, 2015.
5. Fully diluted shares include 10.5 million options with an average exercise price of Cdn$5.96.
6. Adjusted net income/earnings and adjusted net income/earnings per share are non-GAAP measures. Neither of these non-GAAP performance
measures has any standardized meaning and is therefore unlikely to be comparable to other measures presented by other issuers. The Company
believes that, in addition to conventional measures prepared in accordance with GAAP, the Company and certain investors use this information to
evaluate the Company’s performance. Accordingly, it is intended to provide additional information and should not be considered in isolation or as a
substitute for measures of performance prepared in accordance with GAAP. Refer to the Company’s second quarter 2015 MD&A for a reconciliation
of adjusted net income/earnings to reported net income.
7. “Gold equivalent ounces” include silver ounces produced at San Dimas, and converted to a gold equivalent based on a ratio of the average commodity
prices realized for each period. Silver production is subject to a silver purchase agreement. The silver purchase agreement dictates that until August
6, 2014 Primero will deliver to Silver Wheaton a per annum amount equal to the first 3.5 million ounces of silver produced at San Dimas and 50% of
any excess at $4.16 per ounce (increasing by 1% per year). Thereafter Primero will deliver to Silver Wheaton a per annum amount equal to the first
6.0 million ounces of silver produced at San Dimas and 50% of any excess at $4.20 per ounce (increasing by 1% per year). The Company will receive
silver spot prices only after the annual threshold amount has been delivered. Black Fox is subject to a gold purchase agreement under which
Sandstorm is entitled to 8% of production at the Black Fox mine and 6.3% at the Black Fox Extension.
8. Based on 91 days in the second calendar quarter (April 1 to June 30).
9. Major assumptions include a flat gold price per ounce of $1,200, a flat silver price per ounce of $18.
10. Assumes San Dimas operates at least at 3,000 TPD from end of Q2 2016; and Primero management estimates for Black Fox production, based on
2,200-2,300 TPD operation and underground throughput increasing to 1,000 TPD by the end of 2015.
11. Based on 2015 Guidance, refer to the Company’s second quarter 2015 MD&A.
Footnotes

PRIMERO MINING CORP.
79 Wellington St. West, Suite 2100
Toronto, ON M5K 1H1
T 416 814 3160 TF 877 619 3160
www.primeromining.com
Tamara Brown
Vice President, Investor Relations
T 416 814 3168
info@primeromining.com
July 2015
Corporate Presentation

Primero Second Quarter 2015 Results

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Primero Second Quarter 2015 Results