- Eco Oro is a Canadian mining company focused on developing its Angostura gold and silver project in Colombia. - It has completed a positive preliminary economic assessment for an underground mining project at Angostura. - The company is undertaking feasibility studies for the underground project and continuing exploration drilling to expand resources. - An underground project would have environmental and economic advantages over an open pit mine.

1. Corporate Presentation November, 2011

2. Caution Regarding Forward Looking Statements Page  This presentation contains “forward-looking statements” and “forward-looking information” within the meaning of applicable securities regulations in Canada and the United States (collectively, “forward-looking information”). The forward-looking information contained in this presentation is made as of the date of this presentation. Except as required under applicable securities legislation, Eco Oro does not intend, and does not assume any obligation, to update this forward-looking information. Forward-looking information includes, but is not limited to, statements with respect to planned exploration programs and estimates of the costs thereof, anticipated rates of recovery, timing and amount of future production, anticipated capital cost , currency exchange rates, future price of gold and the effects thereof, estimation of measured and indicated resources, realization of mineral resource estimates and the economic viability thereof, timing and amount of estimated capital expenditures, project infrastructure and layout, estimated project time-line, requirements for additional capital and alternatives for project development. The forward-looking information contained in this presentation is based on certain assumptions that Eco Oro believes are reasonable, including, that the current price of and demand for gold will be sustained or will improve, the supply of gold will remain stable, Eco Oro’s development plans can be achieved, the general business and economic conditions will not change in a material adverse manner, financing will be available if and when needed on reasonable terms and Eco Oro will not experience any material accident, labour dispute, or failure of plant or equipment. However, forward-looking information involves known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of Eco Oro to be materially different from any future results, performance or achievements expressed or implied by the forward-looking information. Such factors include, among others, risks relating to Eco Oro’s ability to obtain adequate financing for the development of the Angostura Project, conclusions of economic evaluations, changes in project parameters as plans continue to be refined, future prices of gold, mineral resources are not as estimated, unexpected variations in grade or recovery rates, risks related to fluctuations in the currency market, risks relating to title disputes, risks relating to all Eco Oro’s properties being located in Colombia, accidents, labour disputes and other risks of the mining industry, delays in the completion of development or construction activities, delays or failure to obtain required environmental and other governmental approvals, as well as those factors and other risks more fully described in Eco Oro’s Annual Information Form for the year ended December 31, 2010 filed on SEDAR at www.sedar.com. Although Eco Oro has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking information, there may be other factors that cause actions, events or results not be as anticipated, estimated or intended. Readers are cautioned not to place undue reliance on forward-looking information due to the inherent uncertainty thereof.

3. Additional Cautionary Notes & Statements Page  CAUTIONARY NOTE TO U.S. READERS CONCERNING ESTIMATES OF MEASURED AND INDICATED RESOURCES. Information concerning the properties and operations of Eco Oro has been prepared in accordance with Canadian standards under applicable Canadian securities laws, and may not be comparable to similar information for United States companies. The terms “mineral resource”, “measured mineral resource” and “indicated mineral resource” used in this presentation are Canadian mining terms as defined in accordance with NI 43-101 under guidelines set out in the Canadian Institute of Mining, Metallurgy and Petroleum (“ CIM ”) Standards on Mineral Resources and Mineral Reserves adopted by the CIM Council on December 11, 2005. While the terms “mineral resource”, “measured mineral resource” and “indicated mineral resource” are recognized and required by Canadian regulations, they are not defined terms under standards of the United States Securities and Exchange Commission. Under United States 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 calculation is made. As such, certain information contained in this presentation concerning descriptions of mineralization and resources under Canadian standards is not comparable to similar information made public by United States companies subject to the reporting and disclosure requirements of the Unites States Securities and Exchange Commission. Readers are cautioned not to assume that all or any part of measured or indicated resources will ever be converted into mineral reserves. STATEMENT REGARDING TECHNICAL INFORMATION The technical information in this presentation is derived from Eco Oro’s news releases, technical reports and other continuous disclosure documents filed by Eco Oro available on SEDAR at www.sedar.com, each of which has been reviewed by one or more qualified persons, as defined by National Instrument 43-101 – Standards of Disclosure for Mineral Projects . The estimates of Eco Oro’s mineral resources are subject to the qualifications and assumptions set out therein and readers are cautioned that mineral resources which are not mineral reserves do not have demonstrated economic viability The technical information in this presentation is derived from Eco Oro’s news releases, technical reports and other continuous disclosure documents filed by Eco Oro available on SEDAR at www.sedar.com, each of which has been reviewed by one or more qualified persons, as defined by National Instrument 43-101 – Standards of Disclosure for Mineral Projects . The estimates of Eco Oro’s mineral resources are subject to the qualifications and assumptions set out therein and readers are cautioned that mineral resources which are not mineral reserves do not have demonstrated economic viability.

4. Summary Permitting applications in respect of underground project to follow completion of Feasibility Study (Q4 2012) Page  Eco Oro is a Canadian exploration and development company focused on the Angostura gold/silver project in Colombia Strong balance sheet US$68.8 million cash; no debt (30 September 2011) Positive Preliminary Economic Evaluation on underground project “ First mover” status in Colombia - over 30,000 hectares of exploration concessions in emerging California district Initial underground mineable resource estimate of 2.4 million oz gold and 13.4 million oz silver. Good potential to increase Contracts awarded to four international engineering companies to perform feasibility studies for underground project

5. Share Structure Page  Exchange TSX Symbol EOM Share price (11 November 2011) C$2.85 Shares Issued & Outstanding (30 September 2011) 84,228,421 Shares Fully Diluted (30 September 2011) 93,391,421 Market Capitalization (issued) CDN$240,051,000 Cash (30 September 2011) US$68,784,630

11. Chronology – recent past Page  Page  Eco Oro announces election of new Board of Directors Award of engineering contracts for UG project feasibility studies Name change from Greystar to Eco Oro Eco Oro announces positive scoping study for Angostura underground project (NI 43-101) and change of Officers and Directors Eco Oro announces cancellation of AIM listing April 2011 May 2011 June 2011 July 2011 August 2011

12. Chronology – going forward Page  Page  Name change from Greystar to Eco Oro Angostura NI43-101 UG PEA update Móngora NI43-101 PEA OHSAS 18001 certification Angostura NI43-101 UG Pre-Feasibility Angostura NI43-101 UG Feasibility ISO 14001 certification Q4 2012 Investor & Analyst visit to mine site ISO 9001 certification Completion Phase 1 ERP implementation August 2011 Q4 2011 Q1 2012 Q2 2012 Q3 2012

13. Going forward Page 

16. Angostura UG project Page  Mineable resources @ 3.0 g/t Au cut-off grade Ore (t) Au (g/t) Au Oz Ag (g/t) Cu (%) INDICATED + INFERRED Oxides 616,324 5.75 113,859 19 0.026 Transition 2,291,293 5.68 418,133 22 0.043 Sulfides 10,519,881 5.46 1,846,692 17 0.087 TOTAL 13,427,498 5.51 2,378,690 18 0.077

19. Exploration targets Armenia, La Plata, La Violetal, Móngora Page  ECO ORO CALVISTA GALWAY VENTANA Violetal EXTENT INFILLS LA PLATA MÓNGORA ECO ORO LICENSES

20. Page  3,145 metres of underground development Exploration drilling & tunneling 314,946 metres, 973 drill holes

21. High Grade Veins Page  3D View – Looking to NE

22. High Grade Veins Page  Vertical Section 1,130,900 E

23. Metallurgy Page  Test results for high gold grade sulfides * Mass Pull - % of material in which gold recovered is concentrate. Process Au Recovery Conditions Flotation Range from 85% to 90% Recovery on cleaner concentrate - Mass Pull* between 10-14%. Pilot plant tested Cyanidation of flotation Tails Range from 39% to 65% Extra 4-9% overall recovery Flotation Concentrate Selling Option Au grade between 40-50 g/t Clean concentrate (As < 1800 ppm, no Hg), Cu content in concentrate of around 1.0% Roasting Range from 89% to 93% Best conditions to be optimized. More testing planned. Bio-oxidation Range from 92% to 96% Batch and pilot plant conducted using BIOX® technology. Pressure oxidation (POX) Range from 95% to 97% Results for early testing. Optimal conditions still to be defined. Ore amenable to POX.

25. Thank you! November, 2011 TSX:EOM

26. Upside exploration Page 

27. Drilling Up to September 2011 Page  Angostura_ Mongora Drilling

28. High grade exploration Angostura Page 

31. Mongora Page 

32. La Plata Page 