Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-86012) pertaining to the PharMerica, Inc. 401(k) Profit Sharing Plan of AmerisourceBergen Corporation of our report dated June 26, 2007, with respect to the financial statements and schedule of the PharMerica, Inc. 401(k) Profit Sharing Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2006.
/s/ Ernst & Young LLP
Philadelphia, Pennsylvania
June 26, 2007