Ct Automotive Regulatory News (CTA)

Press Release

Company Caterpillar Inc.

ISIN US1491231015

Symbol CAT / CTA

Headline Director/PDMR Shareholding

03 July 2012

CATERPILLAR INC. FILES FORM 4s

PEORIA, Ill.- 03 July 2012 - Caterpillar Inc. (NYSE: CAT / NYSE Euronext: CATR / LSE: CTA) informs its stockholders that today, in accordance with Section 16(a) of the U.S. Securities Exchange Act of 1934, as amended, 14 Form 4s (the report on Form 4 being a statement of changes in the beneficial ownership of its officers, directors and 10% owners) have been filed with the U.S. Securities and Exchange Commission ("SEC"). The Form 4s filed in respect of Caterpillar can be found on the SEC Internet site (www.sec.gov).

Caterpillar files electronically with the SEC required reports on Form 8-K, Form 10-Q, Form 10-K and Form 11-K; proxy materials; ownership reports for insiders as required by Section 16(a) of the U.S. Securities Exchange Act of 1934, as amended; and registration statements on Forms S-3 and S-8, as necessary; and other forms or reports, as required. All of the forms and reports filed electronically with the SEC are available on the SEC Internet site (www.sec.gov).

Caterpillar also maintains an Internet site (www.Caterpillar.com) and copies of its annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K and any amendments to these reports filed or furnished with the SEC are available free of charge through Caterpillar's Internet site (www.Caterpillar.com/secfilings) as soon as reasonably practicable after the relevant document has been filed with the SEC.

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