Annual Financial Report

Caterpillar Inc.

20 March 2012

Caterpillar Inc.

Annual Report on Form 10-K for the fiscal year ended 31 December 2010

Annual Report on Form 10-K for the fiscal year ended 31 December 2009

Annual Report on Form 10-K for the fiscal year ended 31 December 2008

The Annual Reports on Form 10-K for the fiscal years ended 31 December 2010, 2009 and 2008 have been submitted to the National Storage Mechanism and will shortly be available for inspection at www.hemscott.com/nsm.do. The Annual Reports on Form 10-K 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