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): January 17, 2003 AmerisourceBergen Corporation (Exact name of Registrant as specified in its charter) Delaware 1-16671 23-3079390 (State or Other Commission File Number (I.R.S. Employer Jurisdiction of Identification Incorporation or Number) Organization) ------------------- 1300 Morris Drive, Suite 100 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.) Item 5. Other Events. On January 17, 2003, AmerisourceBergen Corporation (the "Company") announced the closing of the acquisition of US Bioservices Corporation, a national pharmaceutical service provider focused on the management of high-cost, complex therapies and reimbursement support, for a base purchase price of approximately $160 million (including assumed debt). The transaction also provides for contingency payments by the Company of up to a maximum of $28 million. The Company issued 2,399,091 shares of its common stock upon the closing of the transaction. The Company has registered such shares under the Securities Act of 1933 for sale by the recipients thereof. A copy of the press release is filed as Exhibit 99.1 to this report and incorporated herein by reference. Item 7. Financial Statements and Exhibits. (c) Exhibits. 99.1 Press Release dated January 17, 2003 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: January 17, 2003 By: /s/ Michael D. DiCandilo ----------------------------------- Name: Michael D. DiCandilo Title: Senior Vice President and Chief Financial Officer