UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ----------------------- FORM 10-K/A AMENDMENT NO. 1 ----------------------- |X| ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2003 OR |_| TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO ------- ------- Commission file number 1-14036 ----------------------- DST SYSTEMS, INC. (Exact name of Registrant as specified in its charter) ----------------------- DELAWARE 43-1581814 (State or other jurisdiction (I.R.S. Employer identification no.) of incorporation or organization) 333 WEST 11TH STREET, KANSAS CITY, MISSOURI 64105 (Address of principal executive offices) (Zip code) (816) 435-1000 Registrant's telephone number, including area code Securities registered pursuant to Section 12(b) of the Act: Name of each Exchange on which Title of each class registered ------------------- ------------------------------ COMMON STOCK, $0.01 PER SHARE PAR VALUE NEW YORK STOCK EXCHANGE Securities registered pursuant to Section 12(g) of the Act: NONE Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES |X| NO |_| Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in a definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. |_| Indicate by check mark whether the registrant is an accelerated filer (as defined in Exchange Act Rule 12b-2). YES |X| NO |_| Aggregate market value of the voting and non-voting stock held by non-affiliates of the Registrant as of June 30, 2003: Common Stock, $0.01 par value - $4,394,515,168 Number of shares outstanding of the Registrant's common stock as of March 12, 2004: Common Stock, $0.01 par value - 84,378,840 DST SYSTEMS, INC. TABLE OF CONTENTS Exhibit Index................................................................ 3 Signatures................................................................... 4 DST SYSTEMS, INC. EXPLANATORY NOTE DST Systems, Inc. ("DST") is filing this amendment to its annual report on Form 10-K for the year ended December 31, 2003 ("Form 10-K") solely for the purpose of replacing the certifications of DST's Principal Executive Officer and Principal Financial Officer, as required by Section 302 of the Sarbanes Oxley Act, filed as Exhibits 31.1 and 31.2. As originally filed, these certifications inadvertently omitted the date of the certifications. The certifications filed as exhibits hereto are identical to the certifications previously filed, except for the addition of the date the certifications were executed. DST SYSTEMS, INC. EXHIBIT INDEX EXHIBIT NO. 31.1 Certification of Thomas A. McDonnell, Chief Executive Officer of Registrant 31.2 Certification of Kenneth V. Hager, Chief Financial Officer of Registrant DST SYSTEMS, INC. SIGNATURES Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized. DST SYSTEMS, INC. By: /s/ Kenneth V. Hager ----------------------------- KENNETH V. HAGER Chief Financial Officer (Principal Financial Officer) Dated: March 23, 2004