AmerisourceBergen Announces Conference Call and Webcast

September 6, 2001

VALLEY FORGE, Pa.--(BUSINESS WIRE)--Sept. 6, 2001-- AmerisourceBergen Corporation (NYSE:ABC) today announced that the Company will host an investor conference call and webcast at 12:45 pm Eastern Daylight Time on Monday, September 10, 2001.

Participating in the conference call will be R. David Yost, President and Chief Executive Officer; Kurt J. Hilzinger, Executive Vice President and Chief Operating Officer; and Neil F. Dimick, Executive Vice President and Chief Financial Officer. The conference call will address the strategic direction for the Company, its integration planning and a financial review.

  To access the live conference call via telephone:

  Dial in: 800/230-1096 from inside the U.S.  no access code required
           612/332-0636 from outside the U.S. no access code required

  To access the live webcast:

  Go to the Quarterly Webcasts section on the Investor Relations page 
  at http://www.amerisourcebergen.net

  A replay of the call and webcast will be available from 5:15 pm
September 10, 2001 until 11:59 pm September 17, 2001.

  To access the replay via telephone:

  Dial in: 800/475-6701 from within the U.S.,  access code:  602171
           320/365-3844 from outside the U.S., access code:  602171

  To access the archived webcast:

  Go to the Quarterly Webcasts section on the Investor Relations page
  at http://www.amerisourcebergen.net

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, alternative care facilities, and independent community pharmacies.

The Company is also a leader in the institutional pharmacy marketplace. With approximately $36 billion in annualized operating revenues, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 13,000 people serving over 25,000 customers.

FORWARD-LOOKING STATEMENTS

This press 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 forward-looking statements herein include statements addressing future financial and operating results of AmerisourceBergen and the benefits and other aspects of the merger.

The following factors, among others, could cause actual results to differ materially from those described in the 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 AmeriSource's and Bergen Brunswig's filings with the Securities and Exchange Commission, including each of their Annual Reports on Form 10-K for fiscal 2000, their most recent quarterly reports on Form 10-Q, and their joint proxy statement-prospectus dated August 1, 2001.

AmerisourceBergen, AmeriSource and Bergen Brunswig are under no obligation to (and expressly disclaim any such obligation to) update or alter their 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@amerisource.com