AmerisourceBergen Announces Date and Time for Fiscal Second Quarter Earnings Release.

VALLEY FORGE, Pa. -- AmerisourceBergen Corporation (NYSE: ABC) today announced that it plans to release its results for the Second Quarter of Fiscal Year 2007 on Wednesday, April 25, 2007 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 Daylight Time on April 25, 2007.

Participating in the conference call will be:

R. David Yost, Chief Executive Officer
Kurt J. Hilzinger, President & Chief Operating Officer
Michael D. DiCandilo, Executive Vice President & Chief Financial Officer

The dial-in number for the live call will be [phone]. No access code is required.

The live call will also be webcast via the Company's website at www.amerisourcebergen.com. Users are encouraged to log on to the webcast approximately 10 minutes in advance of the scheduled start time of the call.

Replays of the call will be made available via telephone and webcast. A replay of the webcast will be posted on www.amerisourcebergen.com approximately two hours after the completion of the call and will remain available for thirty days. The telephone replay will also be available approximately two hours after the completion of the call and will remain available for seven days. To access the telephone replay from within the US, dial 800-475-6701. From outside the US, dial 320-365-3844. The access code is 869797.

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 pharmacy services for skilled nursing and assisted living facilities, reimbursement and pharmaceutical consulting services, and physician education. With more than $61 billion in annual revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 13,000 people. AmerisourceBergen is ranked #27 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); 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); price inflation in branded pharmaceuticals and price deflation in generics; declines in the amounts of market share rebates offered by pharmaceutical manufacturers to the PharMerica Long-Term Care business, declines in the amounts of rebates that the PharMerica Long-Term Care business can retain, and/or the inability of the business to offset the rebate reductions that have already occurred or any rebate reductions that may occur in the future; any disruption to or other adverse effects upon the PharMerica Long-Term Care business caused by the announcement of the Company's agreement to combine the PharMerica Long-Term Care business with the institutional pharmacy business of Kindred Healthcare, Inc. into a new public company that will be owned 50% by the Company's shareholders (the "PharMerica LTC Transaction"); the inability of the Company to successfully complete the PharMerica LTC Transaction; 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.

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