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): December 4, 2007

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 December 4, 2007, AmerisourceBergen Corporation (the “Registrant”) issued a news release that announced the webcast of its Investor Day Meeting in New York City on Tuesday, December 11, 2007. The Registrant indicated that the presentation would be accessible via audio webcast by going to the Investors section of www.amerisourcebergen.com under Quarterly Webcasts. A copy of the news release is filed as Exhibit 99.1 to this report and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

99.1 News release announcing Investor Day Meeting.

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: December 7, 2007	By:	/s/ Michael D. DiCandilo
	Name:	Michael D. DiCandilo
	Title:	Executive 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 TO HOLD INVESTOR DAY IN NEW YORK

VALLEY FORGE, PA, December 4 2007 – AmerisourceBergen (NYSE: ABC) today announced that it will hold its annual Investor Day in New York on Tuesday, December 11, 2007 at the Grand Hyatt. The event will be webcast live beginning at 12:30 pm EST and ending at approximately 3:00 pm. An archived webcast of the event will also be available a few hours after the conclusion of the live event, and will remain on the website for at least thirty days. Both webcasts will be posted on the Investors section of www.amerisourcebergen.com under Quarterly Webcasts.

If you would like to attend the meeting in person, please contact AmerisourceBergen by noon on Thursday, December 6, 2007 either by email or phone at investors@amerisourcebergen.com, or 610-727-7429. Please note that if attending in person, a luncheon will be served at noon.

About AmerisourceBergen

AmerisourceBergen 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 reimbursement and pharmaceutical consulting services. With more than $66 billion in annual revenue, AmerisourceBergen is headquartered in Valley Forge, PA, and employs more than 11,500 people. AmerisourceBergen is ranked #29 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); government enforcement initiatives (including (i) the imposition of increased obligations upon pharmaceutical distributors to detect and prevent suspicious orders of controlled substances, (ii) the commencement of further administrative actions by the U. S. Drug Enforcement Administration seeking to suspend or revoke the license of any of the Company’s distribution facilities to distribute controlled substances, (iii) the commencement of any enforcement actions by any U.S. Attorney alleging violation of laws and regulations regarding diversion of controlled substances and suspicious order monitoring, or (iv) the commencement of any administrative actions by the board of pharmacy of any state seeking to suspend, revoke or otherwise restrict the ability of any of the

Company’s distribution facilities or businesses to distribute or dispense pharmaceuticals in such state); 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); changes in regulatory or clinical medical guidelines and/or reimbursement practices for the pharmaceuticals we distribute, including erythropoiesis-stimulating agents (ESAs) used to treat anemia patients; price inflation in branded pharmaceuticals and price deflation in generics; the inability of the Company to successfully complete any transaction that the Company may wish to pursue from time to time; 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; any operating problems and/or cost overruns that may be associated with the implementation of an enterprise resource planning system; 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, 2007 and elsewhere in that report and (ii) in other reports filed by the Company pursuant to the Securities Exchange Act of 1934.

###

2