UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2003 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: UNITRIN, INC. Address: One East Wacker Drive, 10th Floor Chicago, IL 60601 13F File Number: 28-02715 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Richard Roeske Title: Vice President Phone: 312-661-4600 Signature, Place, and Date of Signing: /s/ Richard Roeske Chicago, IL November 12, 2003 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 2 Form13F Information Table Entry Total: 178 Form13F Information Table Value Total: $1,152,804 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 01 28-00121 TRINITY UNIVERSAL INSURANCE COMPANY 02 28-00117 UNITED INSURANCE COMPANY OF AMERICA FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABBOTT LABS COM 002824100 2553 60000 SH OTHER 02 0 60000 0 ABBOTT LABS COM 002824100 426 10000 SH OTHER 0 10000 0 ALTRIA GROUP INC COM 02209S103 1752 40000 SH OTHER 0 40000 0 ALTRIA GROUP INC COM 02209S103 8760 200000 SH OTHER 02 0 200000 0 AMERICAN EXPRESS CO COM 025816109 1631 36200 SH OTHER 02 0 36200 0 AMERICAN EXPRESS CO COM 025816109 27 600 SH OTHER 0 600 0 AMERICAN INTL GROUP INC COM 026874107 2019 35000 SH OTHER 02 0 35000 0 AMERICAN INTL GROUP INC COM 026874107 490 8500 SH OTHER 0 8500 0 AMERISOURCEBERGEN CORP COM 03073E105 751 13900 SH OTHER 02 0 13900 0 AMERISOURCEBERGEN CORP COM 03073E105 751 13900 SH OTHER 01 0 13900 0 ANHEUSER BUSCH COS INC COM 035229103 345 7000 SH OTHER 0 7000 0 ANHEUSER BUSCH COS INC COM 035229103 2205 44700 SH OTHER 02 0 44700 0 AOL TIME WARNER INC COM 00184A105 529 35000 SH OTHER 02 0 35000 0 AOL TIME WARNER INC COM 00184A105 227 15000 SH OTHER 0 15000 0 ARAMARK CORP CL B 038521100 360 14400 SH OTHER 02 0 14400 0 ARAMARK CORP CL B 038521100 360 14400 SH OTHER 01 0 14400 0 BAKER HUGHES INC COM 057224107 75629 2555900 SH DEFINED 01 2555900 0 0 BELLSOUTH CORP COM 079860102 284 12000 SH OTHER 0 12000 0 BELLSOUTH CORP COM 079860102 1658 70000 SH OTHER 02 0 70000 0 BLACK & DECKER CORP COM 091797100 811 20000 SH OTHER 02 0 20000 0 BLACK & DECKER CORP COM 091797100 811 20000 SH OTHER 01 0 20000 0 BP PLC SPONSORED ADR 055622104 2947 70000 SH OTHER 02 0 70000 0 BP PLC SPONSORED ADR 055622104 526 12500 SH OTHER 0 12500 0 BRUNSWICK CORP COM 117043109 342 13300 SH OTHER 02 0 13300 0 BRUNSWICK CORP COM 117043109 342 13300 SH OTHER 01 0 13300 0 BURLINGTON RES INC COM 122014103 718 14900 SH OTHER 02 0 14900 0 BURLINGTON RES INC COM 122014103 718 14900 SH OTHER 01 0 14900 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 306 16900 SH OTHER 02 0 16900 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 306 16900 SH OTHER 01 0 16900 0 CAREMARK RX INC COM 141705103 588 26000 SH OTHER 01 0 26000 0 CAREMARK RX INC COM 141705103 588 26000 SH OTHER 02 0 26000 0 CENDANT CORP COM 151313103 1062 56800 SH OTHER 01 0 56800 0 CENDANT CORP COM 151313103 1062 56800 SH OTHER 02 0 56800 0 CENTURYTEL INC COM 156700106 993 29300 SH OTHER 02 0 29300 0 CENTURYTEL INC COM 156700106 993 29300 SH OTHER 01 0 29300 0 CHEVRONTEXACO CORP COM 166764100 464 6500 SH OTHER 0 6500 0 CHEVRONTEXACO CORP COM 166764100 2501 35000 SH OTHER 02 0 35000 0 CITIGROUP INC COM 172967101 525 11531 SH DEFINED 11531 0 0 CITIGROUP INC COM 172967101 3641 80000 SH OTHER 02 0 80000 0 CITIGROUP INC COM 172967101 455 9994 SH DEFINED 01 9994 0 0 CITIGROUP INC COM 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