Doc re Proxy Statements

Caterpillar Inc.

20 March 2012

Caterpillar Inc.

Proxy Statement on Form DEF 14A for the 2011 annual meeting of stockholders

Proxy Statement on Form DEF 14A for the 2010 annual meeting of stockholders

Proxy Statement on Form DEF 14A for the 2009 annual meeting of stockholders

Proxy Statements on Form DEF 14A for the 2011, 2010 and 2009 annual meeting of stockholders have been submitted to the National Storage Mechanism and will shortly be available for inspection at www.Hemscott.com/nsm.do. The Proxy Statements on Form DEF 14A are also available on the U.S. Securities Exchange Commission website at http://www.sec.gov.

CONTACT: Jim Dugan, Corporate Public Affairs, Office, +1-309-494-4100, or Mobile, +1-309-360-7311