Table of Contents Title of each class Trading Symbol (s) Name of each exchange on which registered Common Stock ($1.00 par value) CAT New York Stock Exchange 9 3/8% Debentures due March 15, 2021 CAT21 New York Stock Exchange 8% Debentures due February 15, 2023 CAT23 New York Stock Exchange 5.3% Debentures due September 15, 2035 CAT35 New York Stock Exchange UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 RPILLAR® FORM 10-Q [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE S ...

Table of Contents Title of each className of each exchange on which registered Common Stock ($1.00 par value) (1) New York Stock Exchange 9 3/8% Debentures due March 15, 2021 New York Stock Exchange 8% Debentures due February 15, 2023 New York Stock Exchange 5.3% Debentures due September 15, 2035 New York Stock Exchange UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 https://files.reportify.cc/media/production/CATf022015feb1b4eb0a7352ade7d78221b.jpg (Mark One) FORM 10-K ý ANNUAL REPO ...