Form 10-K

Caterpillar Inc.

21 February 2012

Caterpillar Inc.

Annual Financial Report for the year ended 31 December 2011

Caterpillar Inc.'s Annual Report on Form 10-K filed with the US Securities and Exchange Commission, containing the audited consolidated financial statements for the financial year ended 31 December 2011, together with the audit report and statements made by responsible persons thereon, has been submitted to the National Storage Mechanism and will shortly be available for inspection at: www.hemscott.com/nsm.do.