From a press release from GPO:
President Obama’s State Of The Union Address Available On Gpo’s Federal Digital System
The U.S. Government Printing Office (GPO) makes President Barack Obama’s State of the Union address available on GPO’s Federal Digital System (FDsys). The public can access the President’s address in the Congressional Record, which is the official publication of the U.S. Congress.
Direct link to address: http://www.gpo.gov/fdsys/pkg/CREC-2013-02-12/html/CREC-2013-02-12-pt1-PgH443-2.htm