VALLEY FORGE, Pa.--(BUSINESS WIRE)--AmerisourceBergen Corporation (NYSE:ABC) today reported that in its fiscal year 2008 first quarter, ended December 31, 2007, diluted earnings per share were $0.66, which was positively impacted by $0.04 from a $10 million litigation settlement and $1.4 million of net special items. Operating revenue in the quarter increased 3.5 percent to $16.2 billion.