VALLEY FORGE, Pa.--(BUSINESS WIRE)--AmerisourceBergen Corporation (NYSE: ABC) today announced that it plans to release its results for the 2011 Fiscal Fourth Quarter and Year End on Tuesday, November 1, 2011 prior to the opening of trading on the New York Stock Exchange. The Company will host a conference call to discuss the results at 11:00 a.m. Eastern Time on November 1, 2011.