8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): March 31, 2005

AmerisourceBergen Corporation

(Exact name of Registrant as specified in its charter)

Delaware	1-16671	23-3079390
(State or Other Jurisdiction of Incorporation or Organization)	Commission File Number	(I.R.S. Employer Identification Number)

1300 Morris Drive Chesterbrook, PA	19087
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (610) 727-7000

N/A

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

On March 31, 2005, AmerisourceBergen Corporation (the “Registrant”) issued a news release announcing an accelerated share repurchase transaction with Bank of America, N.A. under which the Registrant purchased 5,264,400 shares of its common stock from Bank of America, N.A. A copy of the news release is filed as Exhibit 99.1 to this report and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(c) Exhibits.

99.1 News Release dated March 31, 2005

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	AMERISOURCEBERGEN CORPORATION
Date: April 1, 2005	By:	/s/ Michael D. DiCandilo
	Name:	Michael D. DiCandilo
	Title:	Senior Vice President
		and Chief Financial Officer

EX-99.1

Exhibit 99.1

	AmerisourceBergen Corporation
	P.O. Box 959
	Valley Forge, PA 19482

Contact:	Michael N. Kilpatric
	610-727-7118
	mkilpatric@amerisourcebergen.com

AmerisourceBergen Announces Accelerated Share Repurchase Transaction

VALLEY FORGE, Pa. March 31, 2005 – AmerisourceBergen Corporation (NYSE: ABC) today announced it entered into an agreement effective March 30, 2005 to repurchase 5,264,400 shares of its common stock in an accelerated share repurchase transaction with Bank of America, N.A. at a price per share of $55.80. The accelerated repurchase transaction will complete the Company’s previously authorized 5.7 million share repurchase program.

The Company expects to settle the repurchase transaction today, and to fund the settlement with cash. The shares repurchased by the Company from Banc 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, which are expected to be completed by the end of April 2005.

The shares repurchased by the Company are subject to a contingent purchase price adjustment based on the volume weighted average price of the equivalent number of shares purchased by Bank of America or its affiliates during the subsequent purchase period.

About AmerisourceBergen

AmerisourceBergen® (NYSE:ABC) is one of the largest pharmaceutical services companies in the United States. 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, bedside medication safety systems, and pharmaceutical packaging to pharmacy services for skilled nursing and assisted living facilities, reimbursement and pharmaceutical consulting services, and physician education. With more than $48 billion in operating revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 14,000 people. AmerisourceBergen is ranked #22 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. Forward-looking statements may include statements addressing AmerisourceBergen’s future financial and operating results.

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 or practices; regulatory changes; changes in U.S. government policies (including changes in government policies pertaining to drug reimbursement); changes in market interest rates; and other economic, business, competitive, regulatory and/or operational factors affecting the business of AmerisourceBergen generally.

More detailed information about these and other factors is set forth in AmerisourceBergen’s filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for fiscal 2004.

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.

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