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TORONTO, ONTARIO--(Marketwire - May 31, 2010) - Platinex Inc. (TSX VENTURE:PTX), is pleased to announce that it has engaged Investor Cubed Inc. ("ICI") to provide Investor Relations Marketing services effective June 1, 2010.

The agreement between Platinex and ICI is effective from June 1, 2010 for an initial one year term, after which it will automatically renew for an additional year unless otherwise terminated. In consideration for the services to be provided, Platinex has agreed to pay ICI a monthly fee of $3,000, plus pre-approved expenses. In addition, Platinex has agreed to grant 120,000 stock options within 30 days to ICI. The Stock Options will vest in quarterly tranches of 30,000 each and will be exercisable for $0.20 per common share. The Stock Options are subject to regulatory approval and the provisions of Platinex's Stock Option Plan.

About Investor Cubed

Investor Cubed provides specialized investor relations and business consulting services to a select group of leading Canadian small cap companies. ICI considers its small cap clients to be "partners" in creating value for their shareholders and for the financial industry professionals to whom it introduces its clients.

In addition, Investor Cubed is a partner and co-manager of [ www.SmallCapPower.com ] (SCP). SCP is Canada's first website dedicated to tracking stocks with market caps from $5 to $500 million and has rich investment content and dynamic functionality that brings investors and financial industry professionals together to discover and communicate with small cap companies.

About Platinex

Platinex is a Canadian mining exploration company. PTX's management team has been leaders in the exploration and development of Platinum Group Elements (PGEs) in North America for 24 years. Platinex also actively pursues the opportunistic acquisition of other precious metal targets. The Company's priority in exploration is reef-type targets which may host large scale ore bodies. Platinex's proprietary expertise in exploration for this type of ore body has led to the acquisition of 7 PGE property holdings over large layered intrusions. Platinex is also exploring the highly prospective Shining Tree gold property and recently expanded the known size of the Herrick gold deposit with a 26 hole drill program returning good gold values.

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.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.