AmerisourceBergen Announces Date and Time for Earnings Release, Conference Call and Webcast

July 2, 2003

VALLEY FORGE, Pa., Jul 2, 2003 (BUSINESS WIRE) -- AmerisourceBergen Corporation (NYSE:ABC) today announced that it plans to release its Third Quarter Fiscal Year 2003 results on Thursday, July 24, 2003 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 am Eastern Daylight Time on July 24, 2003.

 Participating in the conference call will be:

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

 The dial-in numbers for the live call will be as follows:

 (888) 276-0009 from within the United States.
 No access code required.
 (651) 291-0618 from outside the United States.
 No access code required.

In order to ensure the widest distribution possible, the Company will be broadcasting the conference call over the Internet. The call will be accessible through the Investor Relations page of AmerisourceBergen's web site, www.amerisourcebergen.com. Users are encouraged to log on to the webcast approximately 15 minutes in advance of the scheduled start time of the call.

Following the live call, replays will be made available on the Internet and via telephone. 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. 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 689743. The telephone replay will be available from 2:45 p.m. EDT on July 24, 2003 to 11:59 p.m. on July 31, 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 the leading distributor of pharmaceutical products and services to the hospital systems/acute care market, physician's offices, alternate care and mail order facilities, independent community pharmacies, and regional chain pharmacies. The Company is also a leader in the long term care pharmacy and workers' compensation fulfillment marketplaces. With more than $40 billion in annualized operating revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 13,000 people. AmerisourceBergen is ranked #24 on the Fortune 500 list and was ranked #6 in the 2003 Business Week 50, a list of the 50 best performing companies in the S & P 500. 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: competitive pressures; the loss of one or more key customer relationships; customer insolvencies; changes in customer mix; changes in pharmaceutical manufacturers' pricing and distribution policies; regulatory changes; changes in U.S. government policies; failure to integrate the businesses of AmeriSource and Bergen Brunswig successfully; failure to obtain and retain expected synergies from the merger of AmeriSource and Bergen Brunswig; and other economic, business, competitive, regulatory and/or operational 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.

SOURCE: AmerisourceBergen Corporation

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