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www.marianaresources.com Company Presentation – February 2013 LSE AIM: MARL 1 Company Presentation February 2013 DISCOVERING GOLD, SILVER & COPPER IN SOUTH AMERICA PERU CONDOR DE ORO DESEADO PROJECTS Condor de Oro Project
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www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

1 !

Company Presentation!February 2013!

DISCOVERING GOLD, SILVER & COPPER IN SOUTH AMERICA!

PERU

CONDOR DE ORO

DESEADOPROJECTS

Condor de Oro Project!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

2 !

The content of this promotion has not been approved by an authorised person within the meaning of the Financial Services and Markets Act 2000. Reliance on this promotion for the purposes of engaging in any investment activity may expose an individual to a significant risk of losing all of the property or other assets invested.

This presentation (�Presentation�) relating to Mariana Resources Limited (the �Company�) does not constitute or form part of, and should not be construed as an offer or invitation to sell or issue or any solicitation of any offer to purchase or subscribe for any securities in the Company in any jurisdiction. Neither the Presentation, nor any part of it nor anything contained or referred to in it, nor the fact of its distribution, should form the basis of or be relied on in any connection with or act as an inducement in relation to a decision to purchase or subscribe for or enter into any contract or make and other commitment whatsoever in relation to any such securities. In particular, details included in this Presentation are subject to updating, revision, further verification and amendment and refer to events as having occurred which have not occurred at the date of this Presentation but which are expected to happen in the future. Any decision to purchase or subscribe for securities in the Company should be taken on the basis of information to be contained in the admission document to be issued in due course. This presentation does not constitute a recommendation regarding the securities of the Company.

The contents of this Presentation are confidential and may not be copied, distributed, published or reproduced in whole or in part, or disclosed or distributed by recipients to any other person. No reliance may be placed for any purpose whatsoever on the information or opinions contained in the Presentation or on its completeness, accuracy or fairness. No representation or warranty, express or implied, is made or given by or on behalf of the Company or its directors, officers, employees, agents or advisers as to the accuracy, completeness, or fairness of the information or opinions contained in the Presentation and no responsibility or liability is accepted by any of them for any such information or opinions.

This presentation is exempt from the general restrictions in section 21 of the Financial Services and Markets Act 2000 (�FSMA�) on the communication of invitations or inducements to engage in investment activity on the ground that it is only being made to or directed at persons who fall within the exemptions contained in article 19(1) (investment professionals) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the �Order�) and persons who are otherwise permitted by law to receive it (together �relevant persons�). This document must not be acted on or relied on by persons who are not otherwise permitted by law to receive it (together �relevant persons�). This document must not be acted on or relied on by persons who are not relevant persons. Any recipient of this Presentation who is not a relevant person should return this Presentation to the Company immediately, not attend the presentation and take no other action.

The information contained in this Presentation is not for publication or distribution to persons in the United States of America and it�s territories or possessions or to any US person (within the meaning of Regulation S under the US securities Act of 1933, as amended). Neither this Presentation nor any copy of it may taken or transmitted to Ireland or Japan or to any securities analyst or other person in any of those jurisdictions. Any failure to comply with this restriction may constitute a violation of United States, Irish or Japanese securities law. The distribution of this Presentation in any other jurisdictions may be restricted by law and persons into whose possession this Presentation come should inform themselves about, and observe such restrictions.

By attending this presentation, you agree to be bound by the restrictions in this disclaimer.

Disclaimer!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

3 !

!  Exposure to company maker drill targets at Condor de Oro Project Peru:!– !Option to acquire 51% of large untested

porphyry gold-copper system!– !Local Community on-side – drill permit

progressing – 1500m minimum!

!  Mariana adapting to current exploration downturn in Argentina with focus E Deseado:!– !Strategic bulk tonnage resource and

potential upside at Las Calandrias!– !Target definition on-going at Los Cisnes

and Bozal – emphasis on high grade!

!  AngloGold Ashanti major shareholder (19.9%)! “Discovery driven – capacity to advance projects through the value curve”

Overview!

LAS CALANDRIAS

SIERRA BLANCALOS CISNES

Deseado Massif – Santa Cruz Gold-Silver Province

Santiago

Lima PERU

CONDOR DE ORO

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

4 !New Strategy for 2013 – Mariana diversifies exploration efforts !

Focus Peru Opportunity to drill untested Au/Ag/Cu porphyry system – drilling anticipated 1H 2013 – company maker potential

Argentina Low cost exploration of recent regional discoveries –

targeting high grade

Board restructured to deliver this strategy

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

5 !The Mariana Team – Discovery to Mine Building Experience!

THE BOARD!

John Horsburgh Non-executive Chairman – RTZ, Billiton, Getty, Solpac, Cullen!

Glen Parsons Executive CEO – RFC, Neptune!

Dr Eric Roth Non-executive – AngloGold Ashanti, Extorre !

Chris Mitchell Non-executive – Constellation Copper, CoCa Mines, Orvana, Viceroy, Endurance Gold, First Point Minerals, Skyline Gold!

!MANAGEMENT & CONSULTANTS!

Sharon Cooper Acting CFO – Ernst & Young

Ray Angus Project Manager CDO – Cyprus, Newcrest, Monterrico!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

6 !Key Data – AIM : MARL!

Jan 2013 Feb 2013Dec 2012Nov 2012Oct 2012Sept 2012

4p

3p

5p

6p

7p

Capital structure (12 February 2013) !

Shares issued !! 230.8 M !!

Options issued !! Directors and employees – 12.3 M !Others – 0.4 M !!

Share price (12 February 2013)! 3.38p !!

Market capitalisation ! £7.8 M !!

12 months high/low !! 11.99p / 3.38p !!

Cash position (31 December 2012) ! £1.180 M !!

Brokers !! RFC Ambrian Ltd !!

Nominated Advisor !! RFC Ambrian Ltd !!

Top shareholders (12 February 2013)

AngloGold Ashanti Holdings PLC.! 19.9%!

Hochschild Mining ! 4.8%!

Craton Capital! 3.5%!

Australian Investors P/L ! 3.3%!

Directors! 4.8%!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

7 !Peru – Company Maker Opportunity!

!  Major World metal producer – 2nd largest silver – 3rd largest copper and zinc – 6th largest gold, No. 1 in Latin America

!  Most mining majors operate in Peru

!  Mining provides 61% of the nation's exports

!  US$40B expected to be invested over the next decade

!  GDP growth of 6% for 2012

!  Lowest annual average inflation in Latin America

Lima

CHILE

PERU

BOLIVIA

ECUADORCOLOMBIA

BRAZIL

PACIFICOCEAN

Project

Gold Deposits

Copper Deposits 300 km

PERU

Aruntani

Arasi

Las Chancas Las Bambas

CerroVerde

Antamina

Toromocho

Pashpa

YanacochaMinas CongaGalenoMichiquillayShahuindoLa ArenaAlto Chicama

La Granja Cerro CoronaCañariaco

MiradorFruta del Norte

Pierina

CuajoneToquepala

RioBlanco

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

8 !Cordillera del Condor Belt – Northern Peru !

!  200km belt along Ecuador-Peru border

!  Hosts CuAu/CuMo porphyries & epithermal gold deposits

!  Ecuador side – – Fruta del Norte – Kinross –

13.6M oz Au @ 7.2g/t Au – Mirador – 25b lbs Cu 4.5Moz Au

!  Peruvian side – Relatively unexplored

Condor de Oro

EQUADOR

AMAZONAS

MACHALA BELT

CO

RD

ILLE

RA

DEL

CO

ND

OR

BEL

T

PERU

Fruta del NorteAcquired by

Kinross $1.2B

MiradorAcquired by

CRCC-Tongguan $679M

Rio BlancoAcquired by Zijin $165M

700000 mE 750000 mE 800000 mE

700000 mE 750000 mE 800000 mE

9600

000

mN

9550

000

mN

9500

000

mN

9450

000

mN

9600

000

mN

9550

000

mN

9500

000

mN

9450

000

mN

Condor Resources

Hochschild

Dorato Resources

Zijn

NDR

Others

National Park

Gold Deposits

Copper Deposits

25 km

CONDOR DE ORO PROJECT

CDC Claims

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

9 !Condor de Oro Project!

!  102km2 – two 4km2 untested centres of mineralisation

!  Condor Resources Inc. has granted options to earn 51% in Pucayacu Gold-Copper and the Yuracyacu Copper-Silver Properties

!  Mariana can acquire 51% in each by spending US$12.5M in 4 years + cash/share payments of US$2.5M for each

!  Min commitment at Pucayacu is US$500,000 Year 1, incl. 1,500m drilling

!  Mariana’s Ray Angus has specific N Peruvian experience in advancing early exploration to resource stage

732000 mE 736000 mE 740000 mE

732000 mE 736000 mE 740000 mE

9468

000

mN

9464

000

mN

9464

000

mN

9460

000

mN

9468

000

mN

9460

000

mN

Homblende Feldspar Porphyry

Quartz Feldspar Porphyry

Jurassic Andesites

Jurassic Volcanics/Sediments

Cretaceous Quartzites

Tenament Boundary

Quartz Veins

Fault/Lineament

Stream

2 km

CONDOR DE ORO PROJECT

EQUADOR

PERU

GOLD-SILVER-BASE METALSTARGET AREA

GOLD-SILVER-COPPERTARGET AREA

Mineralised Zone with Basecamp!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

10 !Pucayacu – Major Gold & Base Metal Bulk Tonnage Potential !

!  Pucayacu – Large AuAgCu system hosted by Quartz Feldspar Porphyry

!  Mineralised centre defined by mapping, geochem and magnetics

!  Coincident gold and multi-element rock/soil/stream sediment anomalies

!  Intense alteration !  Prominent magnetic lows !  Placer gold in drainages !  No previous drilling

731400 mE

9462

000

mN

731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

731400 mE 731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

9462

000

mN

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

EQUADOR PERU

400m

TARGETAREA

Quartz Feldspar Porphyry

Jurassic Andesites

Jurassic Volcanics/Sediments

Land Properties

Quartz Veins

Fault

Stream

CONDOR DE ORO PROJECT

Quartz Feldspar Porphyry-Disseminated Sulphides!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

11 !Pucayacu – Central Zone – Intense Alteration & Mineralisation !

!  Quartz-sericite + Pyrite/ Chalcopyrite/Covellite, Bornite

!  Disseminations/stockworks/veinlets

!  Quartz-sericite-clay + limonite

731400 mE

9462

000

mN

731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

731400 mE 731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

9462

000

mN

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

EQUADOR PERU

TARGETAREA

Qtz-Sericite + Pyrite-Copper Sulphides – disseminated, stockworks, veinlets

Qtz-Sericite-Clays + Limonite

Qtz-Chlorite-Sericite + Pyrite – Qtz-Py-Lm stockworks

Tenament Boundary

Quartz Veins

Fault

Stream

400m

CONDOR DE ORO PROJECT

Quartz Feldspar Porphyry Stockwork !

Mineralised Quartz Feldspar Porphyry!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

12 !Pucayacu – Coincident Gold & Multi-element Geochemistry !

EQUADOR PERU

TARGETAREA

731400 mE

9462

000

mN

731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

731400 mE 731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

9462

000

mN

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

Qtz-Sericite + Pyrite-Copper Sulphides – disseminated, stockworks, veinlets

Qtz-Sericite-Clays + Limonite

Qtz-Chlorite-Sericite + Pyrite – Qtz-Py-Lm stockworks

Tenament Boundary

Quartz Veins

Fault

Stream

400m

CONDOR DE ORO PROJECT

Rock Outcrop Au (ppb)1,000 to 13,200 ... (18)500 to 999 ........... (20)100 to 499 ......... (127)<100 .................. (186)

Rock Float Au (ppb)1,000 to 16,000 ..... (7)500 to 999 ............. (4)100 to 499 ........... (32)<100 .................... (33)

Soil Au (ppb)

1,000 to 1,981 ....... (2)500 to 999 ............. (2)100 to 499 ........... (39)<100 .................... (42)

Helicopter Support!

Altered Mineralised QFP 2.2 g/y Au & 7g/t Ag!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

13 !Pucayacu – Copper Geochemistry !

Secondary Copper Occurance!

Leached Capping!

731400 mE

9462

000

mN

731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

731400 mE 731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

9462

000

mN

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

EQUADOR PERUQtz-Sericite + Pyrite-Copper Sulphides – disseminated, stockworks, veinlets

Qtz-Sericite-Clays + Limonite

Qtz-Chlorite-Sericite + Pyrite – Qtz-Py-Lm stockworks

Tenament Boundary

Quartz Veins

Fault

Stream

400m

CONDOR DE ORO PROJECT

Rock Outcrop Cu (ppm)1,000 to 2,796 ..... (17)500 to 1,000 ........ (36)100 to 500 ......... (216)<100 .................... (82)

Rock Float Cu (ppm)1,000 to 10,000 ..... (5)500 to 1,000 ........ (13)100 to 500 ........... (48)<100 .................... (10)

Soil Cu (ppm)

1,000 to 1,836 ....... (1)500 to 1,000 .......... (5)100 to 500 ........... (40)<100 .................... (39)

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

14 !Pucayacu – Coincident Magnetic Lows !

732000 mE 733000 mE 734000 mE 735000 mE

732000 mE 733000 mE 734000 mE 735000 mE

9465

000

mN

9464

000

mN

9463

000

mN

9462

000

mN

9465

000

mN

9464

000

mN

9463

000

mN

9462

000

mN

Tenament Boundary

Quartz Veins

1 km

CONDOR DE ORO PROJECT

732000 mE 733000 mE 734000 mE 735000 mE

732000 mE 733000 mE 734000 mE 735000 mE

9465

000

mN

9464

000

mN

9463

000

mN

9462

000

mN

9465

000

mN

9464

000

mN

9463

000

mN

9462

000

mN

CO

RD

ILLE

RA

DEL

CO

ND

OR

BEL

T

Tenament Boundary

Quartz Veins

Fault/Lineament

1 km

CONDOR DE ORO PROJECT

!  Magnetic lows indicate at least two centres of mineralisation

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

15 !Pucayacu – Drill Plan – Priority Central Zone !

!  20 drill sites – first level of permitting

!  Targeting 2 x 2km area

!  Wide spacing – 300-400m x 500m

!  1500m minimum Q2/2013

!  7 priority holes

!  Drilling subject to final approvals – in progress

Main Helipad looking North!

731400 mE

9462

000

mN

731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

731400 mE 731800 mE 732200 mE 732600 mE 733000 mE 733400 mE 733800 mE 734200 mE 734600 mE 735000 mE

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

9462

000

mN

9462

400

mN

9462

800

mN

9463

200

mN

9463

600

mN

9464

000

mN

9464

400

mN

9464

800

mN

9465

200

mN

9465

600

mN

EQUADOR PERU

TARGETAREA

Priority Drill Holes

Drill Holes

Border

Tenement Boundary

Stream

Trail

400m

CONDOR DE ORO PROJECT

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

16 !Condor de Oro Project – Community Agreement In Place !

!  Los Naranjos Native Community

!  5 year access agreement in place to conduct initial exploration including drilling

!  Maximum environmental responsibility and social inclusion and participation at all times

!  Community meeting November 2012 with leaders of each annex to introduce Mariana as the new project operator

!  Community reconfirmed full support for the CDO project

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

17 !Gold-Silver Discoveries – Deseado Massif Santa Cruz Argentina!

!  2013 – emphasis on target definition, high grade focus!

!  Las Calandrias Resource Base (100%)!– !dome-related epithermal system

discovered 2009!– !519Koz AuEq initial resource

(492K oz indicated)!– !bulk tonnage and high grade!

!  Advanced Projects!– !Los Cisnes (100%) –

large domefield discovery – bulk tonnage/high grade potential!

– !Bozal II & III (100%) – new targets, high grade potential!

– !Sierra Blanca (100%)!– !Los Amigos JV (30%) –

partner HM!

Sierra Blanca

Los Cisnes

Las Calandrias

Bozal I & II

LAS HERAS

PICO TRUNCADO

FITZ ROY

JARAMILLO

PUERTO SAN JULIAN

PUERTODESEADO

CALETA OLIVIA

TRES CERROS

CerroVanguardia

AngloGold Ashanti

Cerro MoroYamana

Don Nicolas Minera IRL

EASTERN DESEADO

Tres Leones

CañadonPortiado ICaballo

Blanco

LAS HERASDeseado MassifMinesAdvanced ProjectsDeveloping Mine

Mariana ProjectsMariana Areas

50km

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

18 !Las Calandrias – Grass Roots Gold-Silver Discovery – 100%!

Concession boundary

Calandria Norte

Calandria Sur

El Nido Sur

Pichones

El Nido Este

El Nido Centro

El Nido Oeste

El Nido Norte

La Despreciada Zone

La CalandriaVein-Breccia

Calandria Sur Zone

TONGORIL IEL BOZAL I

EL BOZALIII

ELBOZAL

IV

ELBOZAL II

8 km

LASCALANDRIAS

0 250metres

500

LAS CALANDRIASPROJECT

Rhyolite DomesVolcaniclasticsDrill HolesVein-brecciaMagnetic LinearsIntrusive at Depth?Resource Outline

!  Large dome system – bulk tonnage & high grade potential!

!  44,000m – 326 holes !!  Indicated 11.8Mt @

1.2 g/t AuEq (17 g/t Ag)!!  Inferred 0.9Mt @

1.0 g/t AuEq (5 g/t Ag)!

!  519K oz AuEq Initial Resource – 491K Indicated & 28K Inferred43-101 compliant!

!  Nearest settlement – 75km !!  Estancia – purchased 2011 !!  Highway – 18km!!  Gas pipeline – 14km!!  New grid power – 15km !!  Airstrip – 15km!!  Puerto Deseado – 3 hours!

Faultszones

Base of Complete Oxidation

Rhyolite Dome

Volcaniclastics

NNE

?

ResourceOutline

120.4m

92.5m

113m

102m

137.6m

131m

146.1m

119m

104m

111m

105

39

28

38

104

107

100m

SSW

Fault ?

37 106

108

82 Gold

Silver

Fault

50m

50m

32 m @ 0.4 g/t Au22 g/t Ag

76 m @ 1.3 g/t Au17 g/t Ag

120.5 m @ 0.9 g/t Au17 g/t Ag

106 m @ 1.6 g/t Au27 g/t Ag

42 m @ 0.8 g/t Au31 g/t Ag

9 m @ 1.3 g/t Au10.8 g/t Ag

33 m @ 0.9 g/t Au35 g/t Ag

34.5 m @ 2.2 g/t Au60 g/t Ag

104 m @ 1.3 g/t Au19 g/t Ag

TYPICAL SECTION!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

19 !

Resource estimate – 43-101 Compliant!!  92 diamond holes – 50 x 25m

– MDA, Reno – 11/7/11!!  Indicated –

11.0Mt @ 1.21 g/t AuEq (6.5Moz Ag)!!  Inferred –

0.5Mt @ 0.90 g/t AuEq!!  30% Au & Ag – oxide / transition!

Met testwork recoveries !  Oxide:

– heap leach – 80% Au & 55% Ag

– carbon-in-leach – 95% Au & 90% Ag

!  Primary: – selective flotation – 82% Au

& 83% Ag – sulphide con. @ 1.5ozs

gold 25ozs silver pt

Calandria Sur – Initial Resource 441K oz AuEq Indicated/Inferred!

Con

cess

ion

Bou

ndar

y

200 metres

Resource Outline

Diamond Drillhole Collars

2009-2011 Rhyolite DomeVolcaniclasticsVolcanic BrecciasAndesite DykesMineralised Zone (Approx)Target Open>20 gm.m10-20 gm.m5-10 gm.m<5 gm.m

48m @ 2.1 g/t AuEq

42m @ 0.9 g/t AuEq

109m @ 0.7 g/t AuEq

30.5m @ 1.2 g/t AuEq

23m @ 1.1 g/t AuEq

24.5m @ 1 g/t AuEq

37m @ 1.7 g/t AuEq

23.7m @ 1.1 g/t AuEq

40m @ 1 g/t Au

23m @ 1.1 g/t Au

36m @ 1.9 g/t AuEq

3m @ 14.3 g/t Au 9m @ 1.3 g/t Ag

EL CLAVO

PICAZA

LOMA VERDE

ISABEL

200 metres

Con

cess

ion

Bou

ndar

y

200 metres

Resource Outline

Diamond Drillhole Collars

2009-2010 Collars

Rhyolite Dome

Volcaniclastics

DRILL PLAN!

442K oz!AuEq!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

20 !

Calandria Sur-Escondido – Combined 1600m Strike!

Escondido!!  11,500m drilling over 1.6km!!   Best intersections:!

– 100m @ 1.2 g/t Au 8 g/t Ag!– 0.7m @ 136 g/t Au 157 g/t Ag!

!  Edison Report – 370k oz AuEq “potential resource”!

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

21 !Las Calandrias/Bozal/Tongoril – 500km2 in Emerging Gold-Silver District!

!  Mariana first discovery late 2009!

!  Subsequent discoveries !– !Escondido (Minera IRL) – dome-related !– !Falcon (Extorre) – volcaniclastic-hosted!– !El Monte (Renaissance-Agnico) –

dome breccias!

!  8 companies in district – consolidation potential!

!  Mariana most advanced project and major land position!

!  Bozal II & III – new target areas!EXTORRE

EXTORRE

EXTORREPIUQUENES

MINERAIRL

MINERA IRL

FORMICRUZ– DESEADO

MIRASOL

MIRASOL

RENAISSANCE– AGNICO

ARGENTEX

PIUQUENES

HOCHSCHILD – IAMGOLD

IAMGOLD

TONGORIL I

BOZAL I

BOZAL III

BOZAL IV

BOZAL II

LAS CALANDRIAS

ESCONDIDO(Minera IRL)

FALCON(Yamana)

LAS CALANDRIAS

LEONADORMIDA

BOZALITO

El MONTE PROJECT(RenGold-Agnico)

– Dome-breccias to 12 g/t Au 622 g/t Ag, IP anomaly

BOZAL III– Breccias up to 6.2 g/t Au– Vein-breccias up to 6.0 g/t Au

BOZAL II– Vein-breccias up to 16.5 g/t Au & 302 g/t Ag

Domes /veins breccias

Gold discoveriesto date

Mariana

Target area

EstanciaCalandria

10 km

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

22 !

LCs_Assay Au_ppm

Los Cisnes Project

500m

Legend

El Solar

El Brío

Destello

AlluvialCover

AlluvialCover

AlluvialCover

AlluvialCover

1.2 g/t Au & 3 g/t Ag

2 g/t Au & 4 g/t Ag

3.4 g/t Au & 39 g/t Ag

Brecciated Rhyolite Dome.

3 g/t Au & 3849 g/t Ag

Chalcedonic

Opaline-chalcedonic

Vein-Breccia

quartz

Chalcedonic sulfide rich breccias.

Alluvial cover

Lithology

0 2500Meters

Aluvial deposit

Tuff and Ash Cretaceous Fm

Vein structure

Los CisnesProject

Basic Lava

Ignimbrites and lava Dome Chon Aike Fm

Auto-breccia Rhyolite Dome

El Valle

Presagio Muro

El Solar

El Brio

Destello

Los Cisnes – Rhyolite Domefield Discovery – 100% Mariana!

El Brio – Channel Sampling!

!  Bulk tonnage/high grade gold-silver potential!

!  9000 Ha – 75km SW Cerro Moro!

!  32km2 rhyolite domefield – multiple zones gold/silver mineralisation!

!  Extensions under cover?!

!  El Solar!– !5km2 – 300 x 600m

Calandrias-style rhyolite breccias !– 10 float samples 0.5-3.4 g/t Au!

!  El Brio!– !1000m striking vein-breccias

up to 4.5m wide!– !Rock chips to 0.8m @ 3,849 g/t Ag – Channel samples to 4.4m @

0.6 g/t Au 535 g/t Ag!

!  Target definition underway !

Concession boundary

Calandria Norte

Calandria Sur

El Nido Sur

Pichones

El Nido Este

El Nido Centro

El Nido Oeste

El Nido Norte

La Despreciada Zone

La CalandriaVein-Breccia

Calandria Sur Zone

TONGORIL IEL BOZAL I

EL BOZALIII

ELBOZAL

IV

ELBOZAL II

8 km

LASCALANDRIAS

0 250metres

500

LAS CALANDRIASPROJECT

Rhyolite DomesVolcaniclasticsDrill HolesVein-brecciaMagnetic LinearsIntrusive at Depth?Resource Outline

500m

www.marianaresources.com • Company Presentation – February 2013!

LSE AIM: MARL!

23 !

Mariana Resources Ltd!Level 5, 22 Atchison Street!St Leonards NSW 2065 Australia!!John Horsburgh – Non-executive Chairman!Phone: +61 2 9437 4588 Email: [email protected]!!Glen Parsons – Executive CEO!Phone: +61 2 9437 4588 Email: [email protected]!!

www.marianaresources.com

DISCOVERING GOLD, SILVER & COPPER IN SOUTH AMERICA!


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