AmerisourceBergen Stockholders Re-Elect Board Members and Approve Amendment to Management Stock Incentive Plan

February 27, 2003

The three members re-elected to the Board today were: Richard C. Gozon, Retired Executive Vice President, Weyerhaeuser Company; James R. Mellor, Chairman, USEC Inc.; and J. Lawrence Wilson, Retired Chairman and Chief Executive Officer, Rohm and Haas Company. The terms of each of those elected today will expire at the Annual Meeting in 2006.

AmerisourceBergen stockholders also approved an amendment to the Company's 2002 Management Stock Incentive Plan, and approved the plan as amended and outlined in the Proxy Statement dated January 28, 2003.

About AmerisourceBergen

AmerisourceBergen (NYSE:ABC) is the largest pharmaceutical services company in the United States dedicated solely to the pharmaceutical supply chain. It is a leading distributor of pharmaceutical products and services to the hospital systems/acute care market, physicians, alternate care and mail order facilities, independent community pharmacies, and regional chain pharmacies.

The Company is also a leader in the institutional pharmacy marketplace. With more than $40 billion in annualized operating revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 13,000 people. 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. Forward-looking statements may include statements addressing future financial and operating results of AmerisourceBergen and the benefits and other aspects of the 2001 merger between AmeriSource Health Corporation and Bergen Brunswig Corporation.

The following factors, among others, could cause actual results to differ materially from those described in any forward-looking statements: the risk that the businesses of AmeriSource and Bergen Brunswig will not be integrated successfully; failure to obtain and retain expected synergies; and other economic, business, competitive and/or regulatory factors affecting the business of AmerisourceBergen generally.

More detailed information about these factors is set forth in AmerisourceBergen's filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for fiscal 2002.

AmerisourceBergen is under no obligation to (and expressly disclaims any such obligation to) update or alter any forward-looking statements whether as a result of new information, future events or otherwise.

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