VALLEY FORGE, Pa.--(BUSINESS WIRE)--AmerisourceBergen Corporation (NYSE:ABC) today reported that in its fiscal year 2012 fourth quarter ended September 30, 2012, diluted earnings per share from continuing operations increased 23 percent to $0.65, and revenue decreased 4.4 percent to $19.5 billion. The Company expects diluted earnings per share from continuing operations for fiscal year 2013 to be in the range of $3.06 to $3.16, an 11 percent to 14 percent increase over fiscal year 2012 diluted earnings per share from continuing operations of $2.76. All results are presented in accordance with U.S. generally accepted accounting principles (GAAP).