UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 5 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). ( ) Form 3 Holdings Reported ( ) Form 4 Transactions Reported 1. Name and Address of Reporting Person Lieb, Gregory P. 29400 Lakeland Boulevard Wickliffe, OH 44092 2. Issuer Name and Ticker or Trading Symbol The Lubrizol Corporation LZ 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Year 12/31/00 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Controller-Commercial Analysis and Support 7. Individual or Joint/Group Reporting (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/ Gregory P. Lieb by Leslie M. Reynolds DATE February 8, 2001

LUBRIZOL CORP 5