AmerisourceBergen Corporation, a Delaware corporation (the "Company"), sponsors the AmerisourceBergen Corporation Equity Incentive Plan (the "Equity Plan") pursuant to which equity awards are made to employees, directors and other eligible individuals. The Company's stockholders last approved the Equity Plan in February, 2009. Some technical amendments were made to the Equity Plan, effective as of January 1, 2011, which included changing the name of the Equity Plan to its current name. The Equity Plan contains a provision, section 17(b), that provides, upon any change in the Company's capitalization, proportionate and other adjustments which the committee administering the Equity Plan determines to be appropriate shall be made to the Equity Plan. Stock dividends and stock splits are among the enumerated categories of capitalization changes that trigger section 17(b) adjustments to the Equity Plan. Following stockholder approval of the Equity Plan, in May 2009 the Company declared a two-for-one common stock split in the form of a stock dividend payable on June 15, 2009. Although the terms of the Equity Plan have not been amended in any material respect since the stockholders approved the Equity Plan in February, 2009, the subsequent June 2009 two-for-one common stock split constituted a capitalization change under section 17(b) of the Equity Plan. In June 2009 pursuant to section 17(b) the Compensation and Succession Planning Committee of the Company's Board of Directors, which administers the Equity Plan, proportionately adjusted the various stated share numbers set forth in the Equity Plan for the two-for-one common stock split by doubling those stated share numbers. Thus, the share numbers in the indicated sections of the Equity Plan as adjusted for the June 2009 two-for-one common stock split are currently as follows: section 5 - aggregate number of shares subject to the Equity Plan, 86,600,000, aggregate number of Incentive Stock Options issuable under the Equity Plan, 14,800,000, and aggregate number of shares that may be issued in respect of Stock Awards, Restricted Stock Units and Performance Share Awards, 4,000,000; and section 6(b) - limit on grants of Awards to Eligible Individuals, 600,000.

(d) Exhibits.

Exhibit 10.1   AmerisourceBergen Corporation Equity Incentive Plan.

Exhibit 10.2   Written Consent of the Compensation and Succession Planning Committee
               of the Board of Directors of AmerisourceBergen Corporation, dated
               June 10, 2009.