AmerisourceBergen is pleased to furnish our proxy materials for our 2010 Annual Meeting of Stockholders, which will be held on March 4, 2010, to stockholders via the Internet and to make it possible for stockholders to vote online. We encourage you to access and review all of the information in the proxy materials prior to voting. Stockholders may request a paper copy of the proxy materials if they wish by following the instructions on the notice mailed to them.

Instructions For Registered Stockholders: You are a "registered stockholder" if you hold your shares in your own name with our transfer agent, BNY Mellon.

If you are a Registered Stockholder, click hereto review your proxy materials and voting instructions at the secure website for Registered Stockholders hosted by BNY Mellon.

Instructions For Beneficial Stockholders: You are a "beneficial stockholder" if you hold your stock through a broker, bank or other nominee. Beneficial stockholders are also known as "street name" stockholders.

If you are a Beneficial Stockholder, click here to review your proxy materials and voting instructions at the secure website for Beneficial Stockholders hosted by Broadridge.

As a convenience, we have posted the proxy materials below. You will not, however, be able to vote your shares on this website. Please proceed to either the website for Registered Stockholders or the website for Beneficial Stockholders for instructions on voting your shares in a secure environment. To review the 2010 Proxy Statement, the Annual Report on Form 10-K as filed with the SEC for the Fiscal Year Ended September 30, 2009, and the Letter to Stockholders distributed on January 22, 2010, click on the icons below. To view these documents, you will need Adobe Acrobat. If you do not already have Adobe Acrobat,click here for download instructions.

AmerisourceBergen Proxy Statement
AmerisourceBergen 10-K
Stockholder letter