Corporate Presentation

JUNE 2018

A NEW PLAYER AND PROJECT GENERATOR ACTIVE IN JAMES BAY

TSX-V: HAR

FORWARD-LOOKING STATEMENTS

Certain statements contained in this presentation may be deemed "forward-looking statements“ within the meaning of applicable Canadian and U.S. securities laws. All statements in this presentation, otherthan statements of historical fact, that address future events, developments or performance that Harfang Exploration Inc. (the "Corporation” or “Harfang” ) expects to occur, including managements’expectations regarding the Corporation’s growth, results of operations, estimated future revenues, requirements for additional capital, mineral reserve and mineral resource estimates, production estimates,gold equivalent ounces, production costs and revenue, future demand for and prices of commodities, business prospects and opportunities are forward looking statements based on certain estimates andassumptions, and no assurance can be given that the estimates and assumptions will be realized. Forward looking statements are statements that are not historical facts and are generally, but not always,identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential", "scheduled" and similar expressions or variations (including negative variations), or thatevents or conditions "will", "would", "may", "could" or "should" occur including, without limitation, that all conditions precedent to the closing of the transaction between the Corporation and Orion MineFinance Group (the "Transaction") will be met and the realization of the anticipated benefits deriving therefrom for shareholders of the Corporation, the view on the quality and the potential of theCorporation’s assets. Although the Corporation believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements involve known and unknownrisks, uncertainties and other factors and are not guarantees of future performance and actual results may accordingly differ materially from those in forward looking statements. The forward lookingstatements contained in this presentation are based upon assumptions management believes to be reasonable. For additional information on risks, uncertainties and assumptions, please refer to theCorporation’s most recent Annual Information Form filed on SEDAR at www.sedar.com and on EDGAR at www.sec.gov. The Corporation cautions that the foregoing list of risk and uncertainties is notexhaustive. Investors and others who base themselves on the forward looking statements contained herein should carefully consider the above factors as well as the uncertainties they represent and the riskthey entail. The Corporation believes that the expectations reflected in those forward-looking statements are reasonable, but no assurance can be given that these expectations will prove to be correct andsuch forward-looking statements included in this presentation should not be unduly relied upon. These statements speak only as of the date of this presentation. The Corporation undertakes no obligation topublicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, other than as required by applicable law.

Safe Harbour Statement

Certain statements in this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 and Canadian securities legislation. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company, or other future events, includingforecast production, earnings and cash flows, to be materially different from any future results, performances or achievements or other events expressly or implicitly predicted by such forward-lookingstatements. Such risks, uncertainties and other factors include, but are not limited to, factors associated with fluctuations in the market price of precious metals, mining industry risks, recent operating losses,uncertainty of title to properties, risk associated with foreign operations, environmental risks and hazards, proposed legislation affecting the mining industry, litigation, governmental regulation of the miningindustry, properties without known mineable reserves, uncertainty as to calculations of reserves, mineral deposits and grades, requirement of additional financing, uninsured risks, competition, dependenceon key management personnel, potential volatility of market price of the Company’s common shares, dilution and certain anti-takeover effects. Such information contained herein represents management’sbest judgment as of the date hereof based on information currently available. The Company does not intend to update this information and disclaims any legal liability to the contrary.

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Harfang Exploration Inc. is a mining exploration company listed on the TSX ("HAR") exploring emerging gold districts in the province of Québec.

ABOUT HARFANG

PROJECT GENERATOR PARTNERSHIPS ON ITS PROPERTIES STRATEGIC ACQUISITIONS

WHY INVEST IN HARFANG Excellent share structure with strong support from the

Osisko Group & Québec Institutional Funds

Well financed with $2.5 million in working capital, no debt

Properties 100%-owned by Harfang

Experienced & field-oriented team

Exceptional Board of Directors & management

Focused on gold exploration in JAMES BAY

Developing early-stage gold properties

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BOARD OF DIRECTORS

ANDRÉ GAUMOND, CHAIRMAN

Director at Osisko Gold Royalties and ex-President of Virginia Mines

JEAN-PIERRE JANSON, DIRECTOR

Managing Director at Richardson GMP Limited and chairman of the board of

Midland Exploration

FRANK MARIAGE,DIRECTOR

Partner at Fasken Martineau DuMoulin LLP and Chairman of the Québec Mineral Exploration Association

SYLVIE PRUD’HOMMEDIRECTOR

Geologist and former Manager, InvestorRelations, for Osisko Mining Corporation

ROBIN VILLENEUVEDIRECTOR

CFO at Opsens Inc. and ex-CFO of Mines Virginia Inc.

FRANÇOIS GOULET, M.SC., P.GEO.PRESIDENT & CEO

MANAGEMENT

YVON ROBERT, CPACHIEF FINANCIAL OFFICER

MARC POTHIER, LL.B.CORPORATE SECRETARY& LEGAL ADVISOR

EXCEPTIONAL BOARD OF DIRECTORS

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EXPLORATIONUPDATE ON MÉNARIK

SERPENT PROPERTY ACQUISITION

ACQUISITION OF LAC FAGNANT

TSX-V: HAR

ACQUISITION OF LAC AULNEAU

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SHARE STRUCTURE + TREASURY

* APPROXIMATE VALUE AS AT FEBRUARY 1, 2018

PRICE: $0.25

HIGH – LOW (since June 30th 2018):$0.35 - $0.22

SHARE OUTSTANDING:28 M

Options: 672,500 Warrants: 3,821,000 Market Cap: $7M

QC INSTITUTIONAL FUNDS 26%

OSISKO GOLD ROYALTIES18%

BOARD OF DIRECTORS & MANAGEMENT

8%

AS AT JUNE 1, 2018

OWNERSHIP

TREASURY

CASH: $2.4 MILLION *

LONG-TERM DEBT: $0

RTO & $2.7MFINANCING

PROJECTS IN JAMES BAY & NUNAVIK

1. https://www.lafrontiere.ca/actualites/economie/2017/5/10/eleonore--la-mine-de-tous-les-defis.html

GOOD ACCESS & INFRASTRUCTURE

UNDEREXPLORED AREA

NEARBY RECENT DISCOVERIES

World-Class Gold Discovery

GOLDCORP ÉLÉONORE MINE

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LAC FAGNANTPROJECT

MUSKEG PROJECT

SERPENT PROJECT

LAC AULNEAUPROJECT

ÉLÉONOREMINE MINE

RENARD Fermont

Schefferville

Chibougamau

Matagami

Radisson

Kuujjuarapik

Wemindji

Kuujjuaq

LAC MENARIK & MENARIK EAST PROJECTS

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EAST MENARIK

LAKE MENARIK

5 km

Camp

Camp

LAKE MENARIK & MENARIK EAST PROPERTIES – INFRASTRUCTURE

Properties located 48 km southeast of Radisson / 100%-owned by Harfang (2% NSR OsiskoGold Royalties on Lake Ménarik)

Lake Ménarik = 93 claims (47.79 km2) / Ménarik East = 68 claims (34.94 km2)

Two electric transmission lines run through claims

Near intersection between James Bay paved and Transtaiga gravelroads

Tonalite

Basalt

Wacke

Andesite

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Conglomerate

Monzonite

LAKE MENARIK & MENARIK EAST PROPERTIES – REGIONAL GEOLOGY

Archean greenstone belt made up of volcano-sedimentary rocks / Yasinski Group basalt

Polymictic conglomerate along deformation corridor (Timiskaming-style) / early erosional unconformity? [blue unit]

Syenite-hosted and/or orogenic gold mineralization styles

Layered ultramafic-mafic igneous complex with Cr-PGE±Ni±Cu occurrences [purple unit]

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LAKE MENARIK PROPERTY – GOLD MINERALIZATION

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8.09 g/t Au7.37 g/t Au

1.04 g/t Au / 24.9 (trench)1917 g/t Au500 g/t Au

Wacke

Lac Ménarik Fault

Unconformity

Auriferous

Monzonite

18.6 g/t Au9.67 g/t Au8.33 g/t Au7.75 g/t Au6.07 g/t Au

199.53 g/t Au15.45 g/t Au

Conglomerate

Some of the best drilling intersections: 0.89 g/t Au over 68.25 m, 7.51 g/t Au over 1.41 m

Very high tenors in individual quartz veins (up to 500 g/t Au)

Mineralization and alteration more abundant where monzonite is fractured, brecciated and/or sheared

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Syenite

Robert et al. (2001)

Timiskaming-type Conglomerate Monzonitic Dyke

QZ-CB Stockwork in monzonite

Deposit Size(Production +

reserves)

Young-Davidson

5,56 Mt @ 3,28 g/t Au

Holt-McDermott

7,0 Mt @ 5,9 g/t Au

Macassa 7,15 Mt @ 15,4 g/t Au

LAKE MENARIK PROPERTY – MONZONITE / SYENITE ASSOCIATED GOLD DEPOSIT ?

Similar to Timmins & Kirkland Lake mining camp

Lac

Mén

arik

Pro

per

ty

MENARIK EAST PROPERTY – CR-PGE-NI-CU & AU, AG, CU, ZN AND PB

Layered ultramafic-mafic igneous complex

Main intrusive body [purple and brown units] with historical resources*: 6.34 Mt @ 7.73% Cr2O3, 398 ppb Pd et 105 ppb Pt; 1.06 Mt @ 0.38% Ni et 0.15% Cu

Abundant gabbroic dykes intruded into felsic basement

Excellent drilling database (> 36,600 m)

Possible genetic link between igneous complex and Lac MénarikFault / Ancient deep-seated conduit permeable to mantle-derived magmas and ore fluids?

*Non compliant to NI 43-101

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Resources* in Menarik Ultramafic complex : 6.34 Mt @ 7.73% Cr2O3, 398 ppb Pd & 105 ppb Pt &

1.06 Mt @ 0.38% Ni & 0.15% Cu

*Resources calculation non-compliant to CIM standards

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LAKE FAGNANT PROPERTY – GEOLOGY

*Resources calculation non-compliant to CIM standards

Esker

Cuesta

Sediments

Basalt

BIF

Great Whale greenstone belt

Gold showings (SIGÉOM)

85 claims (41,9 km2), located 60 km east of Kuujjuarapik (Nunavik) and 160 km north of Radisson (James Bay)

50/50 Joint Venture with KenorlandMinerals Ltd

Access by helicopter or floatplane

Great Whale Archean greenstone beltdefined over 16 km x 8 km

Dominated by mafic volcanics; scarce terrigenous and orthochemicalsedimentary rocks, felsic lavas, and ultramafic and felsic intrusions; major iron formations in the south

Never been drilled

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LAKE FAGNANT PROPERTY – GOLD MINERALIZATION (ESKER & CUESTA)

Limit of property InOut

InOut

IP axes mark altered, sheared and sulphide-bearing zones spatially associated with gold showings

Several IP axes located under Quaternarysediments (overburden)

Bedrock not yet investigated by drillinganywhere on the property

SERPENT PROPERTY GOLD AND COPPER MINERALIZATION

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255 claims (131.97 km2) located 90 km southeastof Radisson and 11 km east of the James Bay Road

100% owned by Harfang, no NSR

Accessible by helicopter, floatplane or boat

Two electricity transmission lines run throughthe property

Located 80 km northwest of Éléonore Mine, adjacent to La Grande-Opinaca contact

Underexplored area outside known greenstonebelts

Best grab sample for gold: 4.11 g/t Au

Best grab sample for copper: 2.11% Cu, 0.68 g/t Au, 19.1 g/t Ag

Pyrite and chalcopyrite in quartz veins

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LAKE AULNEAU PROPERTY – GEOLOGY

Cross-section of the Redcliff zone

Lacro

ix (19

90

)

Marymac II

Marymac I

Island

VTEM survey done in 2011 - no follow up

*Resources calculation non-compliant to CIM standards

EXPLORATION BUDGET: $900,000

EXPLORATION PROGRAM 2018

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LAKE MÉNARIK

• Mechanical stripping and trenching

• Detailed mapping

MÉNARIK EAST

• Prospecting and geological mapping

LAKE FAGNANT

• Prospecting and geological mapping

SERPENT

• Prospecting and geological mapping

LAKE AULNEAU

• Interpretation of the VTEM survey done in 2011

• Digital compilation

• Historical drillhole re-sampling

GENEX

• Target Generation and prospecting

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François Goulet, M.Sc. P.Geo, President & CEOHarfang Exploration Inc.fgoulet@harfangexploration.com(514) 627-1406

WWW.HARFANGEXPLORATION.COM

TSX-V: HAR