Dividend Declaration

Caterpillar Inc
12 April 2006


FOR IMMEDIATE RELEASE
                                                                  April 12, 2006


                    Caterpillar Inc. Maintains Dividend Rate

PEORIA, IL -- Caterpillar Inc. (NYSE: CAT) today declared a quarterly cash
dividend of twenty-five cents ($0.25) per share on its common stock, payable May
20, 2006, to stockholders of record at the close of business April 24, 2006.

This maintains the dividend rate for the previous quarter.

About Caterpillar Inc.

For 80 years, Caterpillar Inc. has been building the world's infrastructure and, 
in partnership with its worldwide dealer network, is driving positive and 
sustainable change on every continent. With 2005 sales and revenues of 
$36.33 billion, Caterpillar is a technology leader and the world's leading 
manufacturer of construction and mining equipment, diesel and natural gas 
engines and industrial gas turbines. More information is available at
www.cat.com.

Caterpillar contact:
Rusty L. Dunn
Corporate Public Affairs
[phone]
[e-mail]



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