Caterpillar Inc.Files Form 8-K PEORIA, Ill., May 20, 2014-- Caterpillar Inc.(NYSE: CAT / NYSE Euronext: CATR) informs its stockholders that today, a Form 8-K has been furnished to the U.S. Securities and Exchange Commission("SEC") with respect to monthly retail statistics. Caterpillarfiles electronically with the SECrequired 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 SECare available on the SEC Internet site (www.sec.gov). Caterpillaralso 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 SECare 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. SOURCE Caterpillar Inc.