| Exchanges: New York Stock Exchange,Inc. Trading Symbol: Sll |
| Investor
Relations Contact: Margaret
K. Dorman Senior Vice President and Chief Financial Officer P.O. Box 60068 Houston, Texas 77205 281.443.3370 |
Inquiries about stock accounts, replacing lost or stolen stock certificates, or change in name or address may be directed to Smith International's transfer agent:
Computershare Trust Company, N.A.
Post Office Box 43078
Providence, RI 02940-3078
877-498-8861
www.computershare.com