1. Platinex Inc. Company Presentation April, 2011

2. COMPANY PROFILE Canadian mining exploration company. Progressively drilling resources and realizing multiple gold discoveries on Shining Tree gold property in Ontario’s Shining Tree gold camp. Acquisitions close to Borden Lake discovery. 7 large exploration prospects with potential for large scale Platinum Group Elements (PGE) ore bodies. Well capitalized: current market price provides little downside risk but significant upside leverage. Management team and board of directors have extensive mining, exploration and business experience. 2

3. COMPANY TARGETS Ore valuation on the Herrick Deposit with further drilling to expand resources. Drill exciting high gold grain count in till anomalies and Caswell known high grade. Maintain and expand strong property portfolio. Capital efficient financing. Form exploration alliance to explore PGE properties. 3

4. MANAGEMENT TEAM & BOARD James R. Trusler, President, CEO and Director: Geological Engineer with 45 years of exploration experience with a history of discovery and a strong focus on PGE’s. Joanna Perrin, VP Corporate Development and Director: has 20 years of experience overseeing the business operations and administration of various companies. Dave Jamieson, Exploration Manager: Geologist with 26 years of industry experience. R. Bruce Reilly, Chief Financial Officer and Director: Chartered Accountant with 23 years of experience. J. David Mason, Director: CEO, Director Augen Gold Corp., Founder & Director Augen Capital Corp, CEO Ore Reserve Asset Management. Michael Blair, Director: President & CEO Automodular Corporation, Chairman Dominion Citrus Income Fund. William Baird, Director: President & CEO Atlanta Gold Inc. Lorne D. Burden, Director: Manager Corporate Development Royal Nickel Corporation. 4

5. INVESTMENT HIGHLIGHTS Shining Tree Gold Property Shining Tree has the potential to be a world class gold camp – PTX is on main street in Shining Tree Tallying resource inventory for Herrick deposit Continuity of Resource: 63 drill holes have been completed with good gold intersections Follow up discovery level gold in till associated with 9km shear zone. Joint venture development with Creso Exploration to explore neighbouring claim blocks Well Capitalized $2 million in cash will be held in reserve for strategic growth (approx. $0.04/share) Diversified Land Position 7 other prospects in North America with PGE potential 1 other gold property near Borden Lake discovery PTX has one of the larger claim positions in Ontario’s ‘Ring of Fire’ region 5

6. CAPITAL STRUCTURE Symbol/Exchange: PTX/Venture Shares Outstanding: 46.8 million Fully Diluted: 58.9 million Share Price (04/14/11): $0.115 Market Capitalization: $5.3 million 52 week High/Low: $0.185/ $0.08 Cash Position: $2.0 million Insider Ownership: 30% 6

7. SHINING TREE GOLD PROPERTY Abitibi region approximately 120km north of Sudbury Located on the Cadillac/ Larder Lake break that hosts many +10 million oz. gold deposits Exciting gold in till discoveries line up with Larder Lake Break (unexplored on property). 3 gold deposits with mine making potential Flanked by Creso and Trelawny discoveries: early stages of new gold camp play 7

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9. SHINING TREE DRILL PROGRAM 12 hole drilling program resuming in March, 2011 (part of 11,500 m program) Goal is to add gold resources at low exploration cost per ounce Drilling and compilation studies on joint venture with Creso Exploration to be released in March. Ongoing surface work – IP surveys, magnetometer surveys, stripping and trenching 9

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14. EXPLORATION PROPERTIES Shining Tree (gold) – Timmins/ Sudbury area: 2,176 hectares McFaulds North & South (PGE) – ‘Ring of Fire’ region: 9,760 hectares & 11,267 hectares, respectively Muskox (PGE) – Nunavut Awkward Lake (PGE) – north of Thunder Bay: 1,408 hectares Core Zone (PGE) – north of Thunder Bay: 4,896 hectares Tib Lake (PGE) – north of Thunder Bay: 784 hectares Norton Lake (PGE) – south west of ‘Ring of Fire’ region: 896 hectares Ivanhoe Gold Project (Au, Cu) – close to new discovery 14

15. PGE PROPERTIES PLAN Finance through farm outs and syndicate arrangements over the next 2 years Align with major Platinum Group Elements (PGE) producer and a steady source of capital Place importance on ‘Ring of Fire’ and Muskox properties 15

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18. WHY PLATINEX? Potential for significant gold deposit on the Shining Tree property Shining Tree has potential to be a world class gold camp – PTX is on main street in the camp Experienced and successful management team is driven to develop Platinex into a prosperous mining company Current market price provides little downside risk but tremendous upside leverage 18

19. COMPANY CONTACT James R. Trusler, President & CEO Tel: 905.470.6400 | jtrusler@platinex.com Platinex Inc. | Suite 114 – 445 Apple Creek Blvd. | Markham, Ont. | L3R 9X7 www.platinex.com 19

20. DISCLAIMER This document has been prepared by Platinex Inc. and should be read in conjunction with the final listing application to the TSX Venture Exchange and SEDAR filings. Certain statements included in this document constitute forward-looking statements which involve known and unknown risks, uncertainties and other factors that may cause the actual results of the Company to be materially different from future results expressed or implied by those forward-looking statements. Under no circumstances are the contents hereof to be reproduced in whole or in part, to the public or the press. Securities legislation in Canada prohibits such distribution of information. This document is for information purposes only and does not constitute an offer to sell or a solicitation to buy the securities referred to herein. 20