UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No. _ )

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		permitted by Rule 14a-6(e)(2))
o Definitive Proxy Statement
þ Definitive Additional Materials
o Soliciting Material Pursuant to §240.14a-12

CapitalSource Inc.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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April 13, 2010

Dear CapitalSource Stockholder:

We have previously sent to you proxy material for the Annual Meeting of CapitalSource Inc. stockholders to be held on April 29, 2010. Your Board of Directors recommends that stockholders vote FOR all items on the agenda.

Your vote is important, no matter how many or how few shares you may own. If you have not already done so, please vote TODAY by telephone, via the Internet, or by signing, dating and returning the enclosed proxy card in the envelope provided.

Cordially,

John K. Delaney
Executive Chairman

Steven A. Museles
Co-Chief Executive Officer

James J. Pieczynski,
Co-Chief Executive Officer