Aurizon increases Hosco in-pit measured and indicated mineral resources by 31% at Joanna

Aurizon Mines Ltd. (TSX: ARZ)(NYSE Amex: AZK) is pleased to report that an updated mineral resource estimate has been completed for the Hosco deposit at its 100% owned Joanna Property, located 20 kilometres east of Rouyn-Noranda, in north-western Quebec. The updated mineral resource estimate was prepared by SGS Canada Inc. – Geostat (“SGS Geostat”) in collaboration with Aurizon’s personnel.

The updated mineral resource estimate integrates the results of the drilling program that took place during the last three quarters of 2010 and January 2011 in the lateral and depth extensions of the pit outline of the Hosco Deposit-Joanna Gold Project defined in the pre-feasibility Ssudy of December 22, 2009, available under the company’s profile at www.sedar.com. It includes 230 additional new holes.