4 1 edgar.txt FORM 4 - 04-18-2003 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person Ronald L. Thompson Midwest Stamping 3455 Briarfield Road OH, Maumee 43537 2. Issuer Name and Ticker or Trading Symbol Ryerson Tull, Inc. (RT) 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Day/Year 4/18/2003 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other (specify below) 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

Explanation of Responses: 1. Grant of stock options exempt under Rule 16(b)-3, pursuant to the Ryerson Tull Directors' Compensation Plan. 2,550 shares become exercisable on October 17, 2003 and 2,550 shares become exercisable on the earlier of the 2004 Annual Meeting of Stockhold ers or April 16, 2004. SIGNATURE OF REPORTING PERSON Ronald L. Thompson

THOMPSON RONALD L 4