| Company |
Symbol |
Split Effective |
Ratio |
Announced |
Optionable |
| Splits Payable: May 7 |
| Petrobras Brasileiro | PBR | May 8 | 2-1 | Mar 26 | No |
| Splits Payable: May 15 |
| Cleveland-Cliffs | CLF | May 16 | 2-1 | Mar 11 | No |
| Splits Payable: May 23 |
| Weatherford | WFT | May 27 | 2-1 | Apr 21 | No |
| Splits Payable: May 26 |
| Bucyrus | BUCY | May 27 | 2-1 | Apr 30 | No |
| Splits Payable: May 27 |
| Invitrogen | IVGN | May 28 | 2-1 | Apr 30 | No |
| Splits Payable: May 28 |
| Union Pacific | UNP | May 29 | 2-1 | May 1 | No |
| Splits Payable: May 30 |
| Atlas America | ATLS | Jun 2 | 3-2 | Apr 23 | No |
| |
