1. mining corporation TSQ.V FSE: TQ4 TSMNF. US Tosca RED HILLSMolybdenum-Copperpresidio county Texas

2. CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS This presentation may contain forward-looking statements, which involve known and unknown risks, uncertainties and other factors that may cause actual events to differ materially from current expectations. Important factors including the availability of funds, the results of financing efforts, the results of exploration activities – that could cause actual results to differ materially from the Company's expectations are disclosed in the Company's documents filed from time to time on SEDAR (www.sedar.com). Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this presentation. The company disclaims any intention or obligation, except to the extent required by law, to up date or revise any forward-looking statements, whether as a result of new information, future events or otherwise. 18/04/2011 Tosca Mining Corporation TSQ.V 2

3. HIGHLIGHTS Management Team Exploration, production and financing experience Corporate Strategy To acquire precious and base metal assets that can be developed into economically viable mining operations Red Hills Moly/Copper Project Historical (non 43-101 compliant) 120 million pounds Cu resource grading 0.35% Cu Mo zone 1000 m by 200 m, open in 3 directions Excellent infrastructure in a mining friendly jurisdiction 18/04/2011 Tosca Mining Corporation TSQ.V 3

4. CAPITAL STRUCTURE/TRANSACTION Shares outstanding: 38.0 million Fully diluted: 55.0 million Share price (April 12): $0.52 Market Capitalization: $20 million Advisors: Legal counsel: Tupper, Jonsson & Yeadon Auditor: Davidson & Company LLP Transfer agent: Computershare Transaction: Tosca has an option to earn 100% interest in the Red Hills Moly/Copper project located 18 km west of Presidio, Texas. 18/04/2011 Tosca Mining Corporation TSQ.V 4

5. DIRECTORS AND OFFICERS Dr. Sadek E. El‐Alfy, Ph.D, D.I.C., BSC (Eng.) Chairman, CEO and Director Dr. El‐Alfyis a professional mining Engineer with 35 years experience in underground and open pit mining. He has held senior positions with Giant Yellow Knife Mines, The Iron Ore Company of Canada, Crystallex International, and most recently Creston Moly. Mr. Ron Shenton, President , Director Mr. Shenton has over 25 years experience in the financial sector working with a number of public companies providing fund raising, public relations and corporate governance. Dr. Luca Riccio, Ph.D, P.Geo. , V.P. Exploration and Director Dr. Riccio has experience in the evaluation and supervision of gold, base metal, nickel‐copper and PGMs projects in the Americas, Europe and Asia. He has held senior positions at Anaconda Copper, Crystallex International and most recently Creston Moly. Brian Roberts, Director Mr. Roberts has over 30 years experience in financial and business consulting. Dr. David Stone, MBA, P.Eng, Director Dr. Stone is a professional mining Engineer with over 30 years of providing engineering and financial consulting experience to underground and surface metals mines worldwide.

6. RED HILLS TRANSACTION DETAILS Agreement to acquire 100% interest in the Red Hills Moly/Copper project on March 31, 2011, subject to a 2% NSR US$ 10.9 million cash over five years 2.1 million Tosca shares over five years First year commitment of $575,000 + 400,000 common shares 18/04/2011 Tosca Mining Corporation TSQ.V 6

7. RED HILLS HISTORY Pre-feasibility studies by Rio Grande Mining Company (1997) Worked by major companies (1955-72) Asarco, Phelps Dodge, Amax, Duval 88 holes drilled Main focus to define size and viability of shallow copper resource 18/04/2011 Tosca Mining Corporation TSQ.V 7

9. Power grid near by

10. Mining friendly jurisdiction

11. Semi-desert climate allows for year round exploration and developmentRed Hills Moly/Copper Project

12. RED HILLS PROJECT CLAIMS 18/04/2011 Tosca Mining Corporation TSQ.V 9

13. SHAFTER-PRESIDIO MINERAL DISTRICT Red Hills moly/copper project lies approximately 8 km from the Shafter Silver Mine (Aurcana Corporation) Scale: 1.5 km 18/04/2011 Tosca Mining Corporation TSQ.V 10

14. Red Hills Panoramic View

15. PREVIOUS DRILLING - COPPER 18/04/2011 Tosca Mining Corporation TSQ.V 12

17. 3 HOLES

18. #36 110’ (33.5M) @ 9.09% Cu

19. #59 70’ (21.3m) @ 6.12% Cu

20. #55 70’ (21.3m) @ 7.77% Cu

21. COPPER BLANKET

22. 17.1 million tons @ 0.35% Cu

23. Low strip ratio

24. 1997 studies showed profitability at $1.10 Cu and $4.50 MoNote these are historic estimates which have not been verified by a QP and should not be relied upon. 18/04/2011 Tosca Mining Corporation TSQ.V 13

25. SELECTED COPPER INTERCEPTS

26. PREVIOUS DRILLING - MOLY 18/04/2011 Tosca Mining Corporation TSQ.V 15

28. Average hole depth: 652 feet (199m)

29. 5 of 28 holes exceed 1000 feet (305m)

30. Deepest hole: DDH 7, 2016 feet (642m) @ 0.076% Mo

31. Average depth of remaining 23 holes: 431 feet (131m)

32. Weighted average moly grade of 71% of intercepts is 0.07% Mo at 0.05% Mo cutoff

33. Open to the South and at depth

34. Present dimensions 1000m x 200m18/04/2011 Tosca Mining Corporation TSQ.V 16

35. SELECTED MOLY INTERCEPTS

38. PLAN OF ACTION Prepare 43-101 compliant report based on historic drilling Quantify geometry and extent of high grade copper zone (5 holes, 500m) Carry out verification drilling within shallow copper-moly blanket (10 holes , 1,500 m) and select samples for metallurgical tests. Verify and deepen previous drill holes in moly zone (4 holes, 1,400 m). Investigate extensions to the moly zone (2 holes, 600 m) Prepare Pre-Economic Assessment of shallow copper blanket and associated moly mineralization (M.D.A. Reno and M3 Engineering, Tucson) 18/04/2011 Tosca Mining Corporation TSQ.V 20

39. mining corporation Tosca #400, 409 Granville Street Vancouver, BC V6C 1T2 Tel: 604-687-6562 Email: info@toscamining.com