1. RIO CRISTAL RESOURCES CORP. BUILDING A PORTFOLIO OF HIGH QUALITY PROJECTS May, 2010 TSXV:RCZ

2. 2 Excellent Team of Directors & Management Exciting Drill Results at Charlotte Bongará Zinc Fundamentals will Improve Strategy of Change Implemented Condor Gold Project Added Other Projects Being Negotiated Lima Stock Exchange Listing in Process TSXV:RCZ Overview of Rio Cristal Resources

3. 3  Charles Preble, Chairman & Director 40+ years mining experience, recently served as President/Director of Peru Copper (AMEX,TSX & BVL). Pres./CEO of Southern Peru Copper (NYSE) for 15 years. Lima, Peru.  Thomas Findley, President & CEO, Director 35+ years in mining & exploration. Past CFO at Peru Copper (AMEX, TSXV & BVL); CFO at Southern Peru Copper (NYSE, BVL); Treasurer & Managing Director of Project Development at Asarco Inc. Lima, Peru.  Dr. Miguel Cardozo: Director Chairman & Director of Alturas Minerals (TSXV, BVL). 30+ years experience in Peru exploring major projects for Newmont, North, Teck, and others. Exploration team leader during discovery and development of the Yanacocha gold deposit. Lima, Peru. Directors – Rio Cristal Resources

4. 4  Hans A. Flury, Director 30 years of mining legal experience. Director – Legal of Southern Copper Corporation (NYSE, BVL) Chairman Peruvian Mining Society and former Peruvian Minister of Energy and Mines. Lima, Peru.  Tony Hines, Director Principal & Sr. VP of Operations at Maple Energy (AIM). Responsible for all oil and gas operations at Maple. Lima, Peru.  Andrew Swarthout, Director President & CEO of Bear Creek Mining (TSXV). Former VP of Exploration at Southern Peru Copper Corp. Has over 30 years of success in mining exploration. Lima, Peru.  Corey M. Dean, Secretary & VP Legal 25+ years mining & metals legal experience in B.C. Vancouver, B.C.  Steve Krause, Chief Financial Officer Current CFO at Bear Creek Mining. Partner at Avisar Chartered Accountants, Langley, BC. Directors – Rio Cristal Resources

5. 5 Charlotte Bongará Claim Block: +18,000h in new MVT zinc district Four Exploration Projects/Prospects Cristal – Drilling very successful Alto Cristal – Early exploration San Jose – Early exploration Florida – Early exploration 6 km along strike from Mina Grande high-grade zinc oxide project Adjacent to high-grade zinc sulfide exploration project at Florida Canyon (Votorantim Metais & Solitario) Infrastructure Available - Roads and electric grid approx. 10 km (Yambrasbamba to Cristal) 4 Km

6. 6 Cristal Project Drill Targets TSXV:RCZ

7. 7 The Pucará (Chambará) is the most favored host for MVT zinc-lead deposits in Peru. Major mines hosted by Pucará carbonates include Cerro de Pasco, Yauli Dome, San Vicente. San Vicente MVT Zinc mine produced 20 Mt of 12% Zn (over 5 billion lbs) & 1% Pb. MVT zinc deposits are often in districts with large tonnage: Pine Point, Polaris, Cerro de Pasco. Geological Conceptual Model - Cristal TSXV:RCZ

8. 8 High Grade Zinc Oxide Intercepts at Cristal Drill hole CR-07 58.7 meters of 10.0% zinc Drill hole CR-11 10.3 meters of 21.1% zinc Drill hole CR-13 14.5 meters of 14.7% zinc Drill hole CR-14 12.5 meters of 26.1% zinc Drill hole CR-18 21.7 meters of 22.0% zinc Drill hole CR-20 15.5 meters of 29.5% zinc 79% of Drill Holes Intercepted Zinc Cristal Project – High Grade Zinc Oxides Drilling at CristalZinc Oxides TSXV:RCZ

9. 9 RIO CRISTAL RESOURCES Charlotte Bongará Zinc Project 34 of 39 Drill Holes Discovered Zinc Near Surface In-fill & Step-out Drilling Warranted Located in Center of Major, New Zinc District Improving Zinc Market Fundamentals Positive SXEW Lab Testing of Zinc Oxides Actively Seeking JV Partners TSXV:RCZ

10. 10 RIO CRISTAL RESOURCES Votorantim / Solitario Bongará Zinc Project Accelerated Development Plan for 2010 10,000 m of Drilling 23 km of Road Construction 700 m of Tunnels Advanced Metallurgical Testing Fast Track EIA, Social Impact & Other Studies Permitting Process Accelerated

11. 11 Bongará is an Emerging Zinc District

12. 12 CONDOR GOLD PROSPECT 2,000 hectares near Nazca Geological Model: Gold Hosted in Fractured Sandstones Similar to Luicho Prospect Bulk Samples over 50 meter face avg. 3.25 gr AU –68 kg avg. 5.40 gr –65 kg avg. 3.33 gr –60 kg avg. 4.02 gr Tests Shows Good Cyanide Leach Recoveries Good Community Relations RIO CRISTAL RESOURCES TSXV:RCZ

13. 13 Copper Projects Being Negotiated Strong Fundamentals in Copper Accomplished Team - Successful Track Record in Copper in Peru (Peru Copper Inc. & Southern Peru Copper) Focus on oxides (low capex and opex costs) and deeper sulfides RIO CRISTAL RESOURCES TSXV:RCZ

14. 14 Plan to List RCR Shares on Lima Exchange  Raise $1+ million capital  Good interest in the company in Peru  Additional liquidity  June 2010 target TSXV:RCZ RIO CRISTAL RESOURCE SHARES

15. 15 The ownership structure includes:  69.1 m Shares Issued and Outstanding  Insiders Hold 17.6 m Shares  92.4 m Fully Diluted TSXV:RCZ RIO CRISTAL ZINC SHARE STRUCTURE

16. 16 RCR – PROACTIVE CHANGES FOR FUTURE GROWTH Markets’ Downturn Mandated Change in 2009 Management & Company Focus Changed Diversify Commodities: Gold / Copper Seeking JV Partner for Zinc Project Gold Project Acquired – Nazca, Peru Seeking New Copper & Gold Projects TSXV:RCZ

17. 17 Peru The Economy is Booming  8.7% Annualized Growth Rate, Mar. 10  5.0-6.0% Estimated Growth Rate for 2010 Mining & Other Investments Continue Unabated Excellent Atmosphere for Mining Investment Free Trade Agreements/Cooperation with Brasil Issues to Deal With: Election in 2011, Infrastructure, Judiciary, Poverty

18. 18 This presentation includes certain "forward-looking statements" under applicable Canadian securities legislation. All statements other than statements of historical fact included in this presentation, including, without limitation, statements regarding potential exploration results, future plans and objectives of the Company are forward-looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate and actual results and future results, events and objectives could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from Rio Cristal’s expectations include exploration and other risks detailed from time to time in the filings made by the Company with securities regulators. Forward Looking Statements TSXV:RCZ