AmerisourceBergen Announces $250 Million Accelerated Share Repurchase Transaction

August 2, 2007

VALLEY FORGE, Pa.--(BUSINESS WIRE)--Aug. 2, 2007--AmerisourceBergen Corporation (NYSE:ABC) today announced it entered into an agreement effective today, August 2, 2007, to repurchase 5,445,436 shares of its common stock for $250 million in cash in an accelerated share repurchase transaction with Bank of America, N.A. at a price per share of $45.91. After today's accelerated repurchase transaction, approximately $424 million remains available in the Company's $850 million authorized repurchase program announced May 24, 2007. The shares repurchased by the Company from Bank of America will be held as treasury stock.

Under the terms of the agreement, Bank of America or its affiliates will subsequently purchase an equivalent amount of shares of the Company's common stock in the open market, and such purchases are expected to be completed by the end of August 2007.

The shares repurchased by the Company are subject to a contingent purchase price adjustment based on the average market price of Company's shares over the subsequent purchase period.

About AmerisourceBergen

AmerisourceBergen (NYSE:ABC) is one of the world's largest pharmaceutical services companies serving the United States, Canada and selected global markets. Servicing both pharmaceutical manufacturers and healthcare providers in the pharmaceutical supply channel, the Company provides drug distribution and related services designed to reduce costs and improve patient outcomes. AmerisourceBergen's service solutions range from pharmacy automation and pharmaceutical packaging to reimbursement and pharmaceutical consulting services. With more than $64 billion in annual revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 11,500 people. AmerisourceBergen is ranked #29 on the Fortune 500 list. For more information, go to www.amerisourcebergen.com.

FORWARD-LOOKING STATEMENTS

This news release may contain certain "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These statements are based on management's current expectations and are subject to uncertainty and changes in circumstances. Actual results may vary materially from the expectations contained in the forward-looking statements. The following factors, among others, could cause actual results to differ materially from those described in any forward-looking statements: competitive pressures; the loss of one or more key customer or supplier relationships; customer defaults or insolvencies; changes in customer mix; supplier defaults or insolvencies; changes in pharmaceutical manufacturers' pricing and distribution policies or practices; adverse resolution of any contract or other disputes with customers (including departments and agencies of the U.S. Government) or suppliers; regulatory changes (including increased government regulation of the pharmaceutical supply channel); government enforcement initiatives (including (i) the imposition of increased obligations upon pharmaceutical distributors to detect and prevent suspicious orders of controlled substances (ii) the commencement of further administrative actions by the U. S. Drug Enforcement Administration seeking to suspend or revoke the license of any of the Company's distribution facilities to distribute controlled substances, or (iii) the commencement of any enforcement actions by any U.S. Attorney alleging violation of laws and regulations regarding diversion of controlled substances and suspicious order monitoring); changes in U.S. government policies (including reimbursement changes arising from federal legislation, including the Medicare Modernization Act and the Deficit Reduction Act of 2005); changes in regulatory or clinical medical guidelines and/or reimbursement practices for the pharmaceuticals we distribute; price inflation in branded pharmaceuticals and price deflation in generics; the inability of the Company to successfully complete any transaction that the Company may wish to pursue from time to time; fluctuations in market interest rates; operational or control issues arising from the Company's outsourcing of information technology activities; success of integration, restructuring or systems initiatives; fluctuations in the U.S. dollar - Canadian dollar exchange rate and other foreign exchange rates; economic, business, competitive and/or regulatory developments in Canada, the United Kingdom and elsewhere outside of the United States; acquisition of businesses that do not perform as we expect or that are difficult for us to integrate or control; changes in tax legislation or adverse resolution of challenges to our tax positions; and other economic, business, competitive, legal, tax, regulatory and/or operational factors affecting the business of the Company generally. Certain additional factors that management believes could cause actual outcomes and results to differ materially from those described in forward-looking statements are set forth (i) in Item 1A (Risk Factors) in the Company's Annual Report on Form 10-K for the fiscal year ended September 30, 2006 and elsewhere in that report and (ii) in other reports filed by the Company pursuant to the Securities Exchange Act of 1934.

CONTACT: AmerisourceBergen Corporation
Michael N. Kilpatric, 610-727-7118
mkilpatric@amerisourcebergen.com

SOURCE: AmerisourceBergen Corporation