MONTREAL, Dec. 13, 2011 /CNW Telbec/ - Argex Mining Inc. (Argex) (TSXV: RGX) (FSE: ASV) (OTCBB: ARGEF) announces today that it has filed the complete technical report of the Preliminary Economic Assessment (PEA) for its 100%-owned La Blache Property, on the SEDAR website (http://www.sedar.com). The report entitled "Technical Report NI 43-101 Preliminary Economic Assessment on the La Blache Fe-Ti-V Project" has been completed by BBA Inc. of Montreal, Quebec with the collaboration of Met-Chem Canada Inc. and Genivar. The PEA technical report is also available on the Corporation's website (http://www.argex.ca).