CORRECTION FROM SOURCE: YM BioSciences Reports Fiscal 2011 Year End Operational and Financial Results

TORONTO, Sept. 23, 2011 /CNW/ - In a release issued today, September 23, 2011, at 07:00 ET entitled "YM BioSciences Reports Fiscal 2011 Year End Operational and Financial Results", an error occurred in the fifteenth paragraph.$8.0 million ($0.08 per share). The net loss per share should be "($0.07 per share)" not "($0.08 per share)".

For further information:

James Smith

VP Corporate Communications

YM BioSciences Inc.

Tel.  +1 905.361.9518

jsmith@ymbi osciences.com