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1 1! DISCOVERING GOLD, SILVER & COPPER IN SOUTH AMERICA! PERU CONDOR DE ORO DESEADO PROJECTS Company Presentation! February 2013! Condor de Oro Project!

2 Disclaimer! 2! The content of this promotion has not been approved by an authorised person within the meaning of the Financial Services and Markets Act 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.

3 Overview! 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 Lima Santiago CONDOR DE ORO PERU LAS CALANDRIAS LOS CISNES SIERRA BLANCA Deseado Massif Santa Cruz Gold-Silver Province

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

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

6 Key Data AIM : MARL! 6! Capital structure (12 February 2013)! Shares issued!! 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)! 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%! 7p 6p 5p 4p Sept 2012 Oct 2012 Nov 2012 Dec p Jan 2013 Feb 2013

7 Peru Company Maker Opportunity! 7!! Major World metal producer 2 nd largest silver 3 rd largest copper and zinc 6 th largest gold, No. 1 in Latin America ECUADOR Mirador Fruta del Norte COLOMBIA! 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 Rio Blanco Cañariaco Pashpa Pierina La Granja Cerro Corona Yanacocha Minas Conga Galeno Michiquillay Shahuindo La Arena Alto Chicama Antamina BRAZIL! Lowest annual average inflation in Latin America PACIFIC OCEAN PERU Lima Toromocho Las Chancas PERU Las Bambas Cerro Verde Cuajone Arasi Aruntani Toquepala BOLIVIA Project Gold Deposits Copper Deposits 300 km CHILE

8 Cordillera del Condor Belt Northern Peru! 8! me me me! 200km belt along Ecuador-Peru border CONDOR DE ORO PROJECT CDC Claims! Hosts CuAu/CuMo porphyries & epithermal gold deposits! Ecuador side Fruta del Norte Kinross 13.6M oz 7.2g/t Au Mirador 25b lbs Cu 4.5Moz Au! Peruvian side Relatively unexplored mn mn mn Condor Resources Hochschild Dorato Resources Zijn NDR Others National Park Gold Deposits Copper Deposits EQUADOR MACHALA BELT Mirador Acquired by CRCC-Tongguan $679M Fruta del Norte Acquired by Kinross $1.2B CORDILLERA DEL CONDOR BELT AMAZONAS PERU Rio Blanco Acquired by Zijin $165M Condor de Oro mn mn mn mn mn 25 km me me me

9 Condor de Oro Project! 9! me me me! 102km 2 two 4km 2 untested centres of mineralisation CONDOR DE ORO PROJECT Homblende Feldspar Porphyry Quartz Feldspar Porphyry GOLD-SILVER-BASE METALS TARGET AREA! 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 mn Jurassic Andesites Jurassic Volcanics/Sediments Cretaceous Quartzites Tenament Boundary Quartz Veins Fault/Lineament Stream EQUADOR mn! Min commitment at Pucayacu is US$500,000 Year 1, incl. 1,500m drilling GOLD-SILVER-COPPER TARGET AREA! Mariana s Ray Angus has specific N Peruvian experience in advancing early exploration to resource stage mn mn PERU mn 2 km mn Mineralised Zone with Basecamp! me me me

10 Pucayacu Major Gold & Base Metal Bulk Tonnage Potential! 10! me me me me me me me me me me! 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 Quartz Feldspar Porphyry-Disseminated Sulphides! mn mn mn mn mn mn mn mn mn mn me CONDOR DE ORO PROJECT Quartz Feldspar Porphyry Jurassic Andesites Jurassic Volcanics/Sediments Land Properties Quartz Veins Fault Stream 400m EQUADOR TARGET AREA PERU me me me me me me me me me mn mn mn mn mn mn mn mn mn mn

11 Pucayacu Central Zone Intense Alteration & Mineralisation! 11! me me me me me me me me me me! Quartz-sericite + Pyrite/ Chalcopyrite/Covellite, Bornite! Disseminations/stockworks/veinlets! Quartz-sericite-clay + limonite Quartz Feldspar Porphyry Stockwork! Mineralised Quartz Feldspar Porphyry! mn mn mn mn mn mn mn mn mn mn me CONDOR DE ORO PROJECT 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 EQUADOR TARGET AREA PERU me me me me me me me me me mn mn mn mn mn mn mn mn mn mn

12 Pucayacu Coincident Gold & Multi-element Geochemistry! me me me me me me me me me mn CONDOR DE ORO PROJECT s 0UCAYACU s 'OLD 'EOCHEMISTRY 2OCK 3OIL Qtz-Sericite + Pyrite-Copper Sulphides disseminated, stockworks, veinlets EQUADOR PERU Qtz-Chlorite-Sericite + Pyrite Qtz-Py-Lm stockworks mn Qtz-Sericite-Clays + Limonite mn mn me 12! TARGET AREA Tenament Boundary Quartz Veins mn mn Fault Soil Au (ppb) 1,000 to 1, (2) 500 to (2) 100 to (39) < (42) mn Altered Mineralised QFP 2.2 g/y Au & 7g/t Ag! 400m me me me me me me me me me mn mn mn Rock Float Au (ppb) 1,000 to 16, (7) 500 to (4) 100 to (32) < (33) mn mn Rock Outcrop Au (ppb) 1,000 to 13, (18) 500 to (20) 100 to (127) < (186) mn mn mn mn mn Helicopter Support! mn mn mn Stream me

13 Pucayacu Copper Geochemistry! me me me me me me me me me mn CONDOR DE ORO PROJECT s 0UCAYACU s #OPPER 'EOCHEMISTRY 2OCK 3OIL Qtz-Sericite + Pyrite-Copper Sulphides disseminated, stockworks, veinlets EQUADOR PERU mn Qtz-Sericite-Clays + Limonite mn mn me 13! Qtz-Chlorite-Sericite + Pyrite Qtz-Py-Lm stockworks Tenament Boundary Quartz Veins mn mn Fault mn mn mn mn mn mn Stream mn mn Secondary Copper Occurance! Soil Cu (ppm) 1,000 to 1, (1) 500 to 1, (5) 100 to (40) < (39) 400m me me me me me me me me me mn mn Rock Float Cu (ppm) 1,000 to 10, (5) 500 to 1, (13) 100 to (48) < (10) mn mn Rock Outcrop Cu (ppm) 1,000 to 2, (17) 500 to 1, (36) 100 to (216) < (82) mn mn Leached Capping! me

14 Pucayacu Coincident Magnetic Lows! 14!! Magnetic lows indicate at least two centres of mineralisation me me me me me me me me CONDOR DE ORO PROJECT Tenament Boundary Quartz Veins CONDOR DE ORO PROJECT Tenament Boundary Quartz Veins Fault/Lineament mn mn mn mn mn mn mn mn mn mn mn CORDILLERA DEL CONDOR BELT mn mn 1 km mn mn 1 km mn me me me me me me me me

15 Pucayacu Drill Plan Priority Central Zone! 15! me me me me me me me me me me! 20 drill sites first level of permitting! Targeting 2 x 2km area! Wide spacing m x 500m! 1500m minimum Q2/2013! 7 priority holes! Drilling subject to final approvals in progress Main Helipad looking North! mn mn mn mn mn mn mn mn mn mn CONDOR DE ORO PROJECT Priority Drill Holes Drill Holes Border Tenement Boundary Stream Trail 400m EQUADOR TARGET AREA PERU mn mn mn mn mn mn mn mn mn mn me me me me me me me me me me

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

17 Gold-Silver Discoveries Deseado Massif Santa Cruz Argentina! 17!! 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! Deseado LAS HERAS Massif Mines Advanced Projects Developing Mine Mariana Projects Mariana Areas 50km Sierra Blanca Caballo Blanco Cerro Vanguardia AngloGold Ashanti CALETA OLIVIA PICO TRUNCADO TRES CERROS FITZ ROY Bozal I & II JARAMILLO Las Calandrias Don Nicolas Minera IRL Tres Leones Cañadon Portiado I EASTERN DESEADO Cerro Moro Yamana Los Cisnes PUERTO DESEADO PUERTO SAN JULIAN

18 Las Calandrias Grass Roots Gold-Silver Discovery 100%! 18! EL BOZAL IV EL BOZAL II EL BOZAL III EL BOZAL I LAS CALANDRIAS PROJECT 8 km LAS CALANDRIAS Rhyolite Domes Volcaniclastics Drill Holes Vein-breccia Magnetic Linears Intrusive at Depth? Resource Outline TONGORIL I Pichones El Nido Oeste El Nido Centro El Nido Este metres El Nido Norte La Despreciada Zone Calandria Norte! Large dome system bulk tonnage & high grade potential!! 44,000m 326 holes!! Indicated 1.2 g/t AuEq (17 g/t Ag)!! Inferred 1.0 g/t AuEq (5 g/t Ag)! SSW g/t Au 31 g/t Ag g/t Au 35 g/t Ag Concession120.5 boundary 0.9 g/t Au 17 g/t Ag g/t Au 27 g/t Ag El Nido Sur NNE La Calandria Vein-Breccia Calandria Sur Zone Calandria Sur! 519K oz AuEq Initial Resource 491K Indicated & 28K Inferred compliant! Fault Base of Complete Oxidation 82 Fault? Silver 108 Gold g/t Au 60 g/t Ag g/t Au 10.8 g/t Ag 111m m m Resource Outline 131m m g/t Au 146.1m 19 g/t Ag 113m m g/t Au 22 g/t Ag g/t Au 17 g/t Ag 102m Rhyolite Dome 100m Volcaniclastics 92.5m Faults zones? 50m 50m! Nearest settlement 75km!! Estancia purchased 2011!! Highway 18km!! Gas pipeline 14km!! New grid power 15km!! Airstrip 15km!! Puerto Deseado 3 hours! TYPICAL SECTION!

19 Calandria Sur Initial Resource 441K oz AuEq Indicated/Inferred! 19! Resource estimate Compliant! Resource Outline Diamond Drillhole Collars DRILL PLAN!! 92 diamond holes 50 x 25m MDA, Reno 11/7/11!! Indicated 1.21 g/t AuEq (6.5Moz Ag)!! Inferred 0.90 g/t AuEq! Collars Rhyolite Dome Volcaniclastics 200 metres 442K oz! AuEq!! 30% Au & Ag oxide / transition! Resource Outline Diamond Drillhole Collars Met testwork recoveries! Oxide: heap leach 80% Au & 55% Ag carbon-in-leach 95% Au & 90% Ag 0.9 g/t AuEq 1.1 g/t AuEq EL CLAVO 2.1 g/t AuEq 1 g/t AuEq 1.7 g/t AuEq 1 g/t Au 1.1 g/t Au PICAZA Rhyolite Dome Volcaniclastics Volcanic Breccias Andesite Dykes Mineralised Zone (Approx) Target Open >20 gm.m gm.m 5-10 gm.m <5 gm.m! Primary: selective flotation 82% Au & 83% Ag sulphide 1.5ozs gold 25ozs silver pt 1.2 g/t AuEq 200 metres ISABEL 0.7 g/t AuEq 1.9 g/t AuEq 14.3 g/t Au 1.3 g/t Ag LOMA VERDE 1.1 g/t AuEq Concession Boundary

20 Calandria Sur-Escondido Combined 1600m Strike! 20! Escondido!! 11,500m drilling over 1.6km!! Best intersections:! 1.2 g/t Au 8 g/t Ag! 136 g/t Au 157 g/t Ag!! Edison Report 370k oz AuEq potential resource!

21 Las Calandrias/Bozal/Tongoril 500km 2 in Emerging Gold-Silver District! 21!! 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! BOZALITO BOZAL II Vein-breccias up to 16.5 g/t Au & 302 g/t Ag El MONTE PROJECT (RenGold-Agnico) Dome-breccias to 12 g/t Au 622 g/t Ag, IP anomaly BOZAL III BOZAL II ARGENTEX Domes / veins breccias Gold discoveries to date Mariana Target area Estancia Calandria 10 km BOZAL III Breccias up to 6.2 g/t Au Vein-breccias up to 6.0 g/t Au! Mariana most advanced project and major land position!! Bozal II & III new target areas! RENAISSANCE AGNICO BOZAL IV BOZAL I MIRASOL LEONA DORMIDA HOCHSCHILD IAMGOLD FALCON (Yamana) TONGORIL I EXTORRE EXTORRE MIRASOL MINERA IRL LAS CALANDRIAS IAMGOLD MINERA IRL PIUQUENES LAS CALANDRIAS PIUQUENES ESCONDIDO (Minera IRL) FORMICRUZ DESEADO EXTORRE

22 Los Cisnes Rhyolite Domefield Discovery 100% Mariana! 22!! Bulk tonnage/high grade gold-silver potential!! 9000 Ha 75km SW Cerro Moro!! 32km 2 rhyolite domefield multiple zones gold/silver mineralisation!! Extensions under cover?!! El Solar!!5km x 600m Calandrias-style rhyolite breccias! 10 float samples g/t Au!! El Brio!!1000m striking vein-breccias up to 4.5m wide!!rock chips to 3,849 g/t Ag Channel samples to 0.6 g/t Au 535 g/t Ag!! Target definition underway! LAS CALANDRIAS PROJECT Rhyolite Domes Volcaniclastics Drill Holes Vein-breccia Magnetic Linears Intrusive at Depth? Resource Outline Los Cisnes Project Lithology Legend Alluvial cover Chalcedonic sulfide rich br eccias. Chalcedonic Vein-Breccia Opaline-chalcedonic quartz LCs_Assay Au_ppm 500m Los Cisnes Project Aluvial deposit Basic Lava Tuff and Ash Cretaceous Fm Ignimbrites and lava Dome Chon Aike Fm Auto-breccia Rhyolite Dome Vein structure Meters El Valle Presagio El Solar Muro El Brio Destello 3.4 g/t Au & 39 g/t Ag 2 g/t Au & 4 g/t Ag Brecciated Rhyolite Dome. ntro El Nido Este 500m La Calandria Vein-Breccia Calandria Sur Zone El Solar metres El Brío Calandria Norte Calandria Sur El Brio Channel Sampling! g/t Au & 3 g/t Ag Alluvial Cover 3 g/t Au & 3849 g/t Ag Alluvial Cover Alluvial Cover Destello Alluvial Cover

23 23! DISCOVERING GOLD, SILVER & COPPER IN SOUTH AMERICA! Mariana Resources Ltd! Level 5, 22 Atchison Street! St Leonards NSW 2065 Australia!! John Horsburgh Non-executive Chairman! Phone: john@marianaresources.com!! Glen Parsons Executive CEO! Phone: glen@marianaresources.com!!