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 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 03/31/01 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 Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

___________________________________________________________________________________________________________________________________ Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect | | Transaction | or Disposed of (D) | Securities |ect | Beneficial Ownership | | | | | Beneficially |(D)or | | | | | | | A/| | Owned at |Indir | | | Date |Code|V| Amount | D | Price | End of Month |ect(I)| | ___________________________________________________________________________________________________________________________________| Common Shares |23/1615/0|M | |1,~~000~~500 |A |$25.7813 | | | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Shares |23/1615/0|SF | |1,~~000~~238 |D |$3031.93225 | | | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Shares |3/15/0|G |V|200 |A | |4,~~114~~432 |D | | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Shares |3/15/0|G |V|200 |D | |0 |I |14Son | |1 | | | | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| Common Shares | | | | | | |3,~~003~~027.~~3446~~6105 (1) |I |Trust | -----------------------------------------------------------------------------------------------------------------------------------| ___________________________________________________________________________________________________________________________________| ___________________________________________________________________________________________________________________________________ Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned | ___________________________________________________________________________________________________________________________________| 1.Title of Derivative |2.Con- |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of| Security |version |Transaction | rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect | |or Exer | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial | |cise | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership | |Price of| | | posed of(D) |Day/Year) | |rity |Benefi |or | | |Deriva- | | | |Date |Expir| | |ficially |Ind| | |tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| | |Secu- | | | | | D |cisa-|Date | of Shares | |End of |ct | | |rity |Date |Code|V| Amount | |ble | | | |Month |(I)| | ___________________________________________________________________________________________________________________________________| Employee Stock Option |$25.7813|23/1615/|M | |1,~~000~~500 |D |Curre|3/25/|Common Share|1,~~000~~500 | |0 | D | | (Right to Buy) | |01 | | | | |nt |2001 |s | | | | | | -----------------------------------------------------------------------------------------------------------------------------------| | | | | | | | | | | | | | | | ___________________________________________________________________________________________________________________________________|

Explanation of Responses: (1) Reflects end-of-period holdings resulting from acquisitions pursuant to a qualified plan, which are exempt under Section 16b-3(c). SIGNATURE OF REPORTING PERSON /s/ Gregory P. Lieb by Leslie M. Reynolds DATE April 6, 2001

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