Attached files
| file | filename |
|---|---|
| EX-31.4 - SECTION 302 CFO CERTIFICATION - LUBRIZOL CORP | dex314.htm |
| 10-K/A - AMENDMENT NO. 1 TO FORM 10-K - LUBRIZOL CORP | d10ka.htm |
Exhibit 31.3
Certification
I, James L. Hambrick, certify that:
| 1. | I have reviewed this Annual Report on Form 10-K/A of The Lubrizol Corporation; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| /s/ James L. Hambrick |
| James L. Hambrick |
| Chief Executive Officer and President |
| April 28, 2011 |