J. David Mason Resigns from Platinex's Board of Directors

TORONTO, ONTARIO--(Marketwire - May 19, 2011) -Platinex Inc. (TSX VENTURE:PTX), announced today that J.David Mason will be resigning his position on the Board of Directors, effective immediately and will be moving to a role as an advisor to the Company. Platinex is grateful for his valuable input and looks forward to his continued contribution in the advisory position.

About Platinex Inc.

Platinex has recently revealed strong evidence of a major gold bearing zone on its Shining Tree property as evidenced by an extraordinarily high gold content of soil samples along a nine km long corridor. Platinex is also exploring the Herrick gold deposit with 63 holes drilled to date returning good gold values. Platinex's management team has been leaders in the exploration and development of Platinum Group Elements (PGE's) in North America for 24 years. Shares of Platinex are listed for trading on the TSX Venture Exchange under the symbol "PTX".

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FORWARD-LOOKING STATEMENTS:

Except for statements of historical fact, all statements in this news release - including, without limitation, statements regarding future plans and objectives, are forward-looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate; actual results and future events could differ materially from those anticipated in such statements.