Rockex Mining Corporation to Begin Trading on TSX

TORONTO, ONTARIO--(Marketwire - March 4, 2011) - Rockex Mining Corporation ("Rockex Mining" or the "Corporation") (TSX:RXM) is pleased to announce that the common shares of the Corporation will be listed and posted for trading on the Toronto Stock Exchange ("TSX") at the opening of the exchange on Monday, March 7, 2011. The common shares of the Corporation will trade under the symbol "RXM".

"We are pleased to be listed on the premier Canadian stock exchange and one of the world's pre-eminent stock exchanges for mineral resource companies" said Pierre Gagné, Chairman of the Board of Rockex Mining. "Listing on the TSX will provide Rockex Mining with market visibility and increased access to capital and will provide liquidity to its shareholders".

Rockex Mining is also pleased to announce the appointment of Donald A. Sheldon as Chief Executive Officer of the Corporation. Mr. Sheldon is a Toronto-based mining and securities lawyer and officer or director of several public companies.

About Rockex Mining Corporation

Rockex Mining, through its wholly-owned subsidiary, Rockex Limited, is a mineral exploration company based in Thunder Bay, Ontario focused on discovering and developing significant iron resources in Northwestern Ontario, Canada. Rockex Limited has a 100% direct interest in the Western Lake St. Joseph Iron Project, consisting of 23 contiguous mining claims covering a nominal area of approximately 5,392 hectares located approximately 100 kilometres northeast of Sioux Lookout and 80 kilometres south- southwest of Pickle Lake. In December 2010, Rockex Limited received a National Instrument ("NI") 43-101 Mineral Resources Estimate (the "Mineral Resources") for its Eagle Island deposit (the "Eagle Island Deposit") in its 100%-owned Western Lake St. Joseph Iron Ore Project concluding that at an 18% Soluble Iron cut-off grade, there are Indicated Mineral Resources of 590,847,000 tonnes grading 28.84% Fe and Inferred Mineral Resources of 415,757,000 tonnes grading 29.47% Fe in the Eagle Island Deposit (see press release dated December 17, 2010). In addition, Rockex Limited holds a 100% interest in three other iron projects in relative close proximity to Rockex Limited's Western Lake St. Joseph Project: (i) East Soules Bay, a property consisting of 3 contiguous mining claims (768 hectares) in and along the eastern end of Lake St. Joseph, approximately 40 kilometres east of Rockex' Western Lake St. Joseph Iron Project, (ii) the Doran Lake Property consisting of 4 contiguous mining claims (832 hectares) in and along the north shore of Doran Lake, south of Lake St. Joseph, approximately midway between the Western Lake St. Joseph Iron Project and the East Soules Bay Project and (iii) the Root Lake Project, a property consisting of 4 contiguous claims (832 hectares), near the western end of Lake St. Joseph. Rockex Limited also holds an option to acquire a 100% interest in 5 claims covering 1,024 hectares in close proximity to the western end of Lake St. Joseph – the Root Bay Project. Please visit the Corporation's website at www.rockexmining.com.

Except for statements of historical fact contained herein, the information in this press release may constitute "forward-looking information" within the meaning of Canadian securities law. Other than statements of historical fact, all statements are "Forward- Looking Statements" that involve various known and unknown risks and uncertainties and other factors, such as market conditions. There can be no assurance that such statements will prove accurate. Results and future events could differ materially from those anticipated in such statements. Readers of this press release are cautioned not to place undue reliance on these "Forward-Looking Statements". Except as otherwise required by applicable securities statutes or regulation, Rockex expressly disclaims any intent or obligation to update publicly forward-looking information, whether as a result of new information, future events or otherwise.