Filed pursuant to Rule 424(b)(3) Registration No. 333-59355 Prospectus Supplement No. 19 (To Prospectus dated August 10, 1998 and to Prospectus Supplement Nos. 13 and 17) $1,012,198,000 XEROX CORPORATION CONVERTIBLE SUBORDINATED DEBENTURES DUE 2018 The information contained under the heading "Selling Security Holders" in the Prospectus dated August 10, 1998 ("Prospectus"), as supplemented by Prospectus Supplement No. 13 dated March 25, 1999 and Prospectus Supplement No. 17 dated August 16, 1999 (such Prospectus Supplement Nos. 13 and 17, the "Prior Supplements"), relating to $1,012,198,000 aggregate principal amount at maturity of Convertible Subordinated Debentures due 2018 ("Debentures") of Xerox Corporation (the "Company"), and such indeterminate number of shares of Common Stock, par value $1.00 per share, of the Company as may be issuable upon the conversion of the Debentures, that may be offered and sold from time to time by the several holders thereof is hereby amended and supplemented as follows: PRINCIPAL AMOUNT AT PRINCIPAL AMOUNT AT MATURITY OF DEBENTURES MATURITY OF DEBENTURES BENEFICIALLY OWNED AND PREVIOUSLY SPECIFIED IN SELLING HOLDER THAT MAY BE OFFERED HEREBY THE PROSPECTUS AND PRIOR SUPPLEMENTS - -------------- -------------------------- ----------------------- (In U.S. Dollars) Goldman Sachs & Co. . . . . . 13,500,000 9,500,000 GLG Global Convertible Fund . . . . . . . . . . . . . 15,000,000 10,000,000 McMahan Securities Company, L.P. . . . . . . . . 11,000,000 2,500,000 The date of this Prospectus Supplement is October 15, 1999.