Attached files
| file | filename |
|---|---|
| 10-K/A - 10-K/A - EXPRESS SCRIPTS INC | d323937d10ka.htm |
| EX-31.2 - EX-31.2 - EXPRESS SCRIPTS INC | d323937dex312.htm |
Exhibit 31.1
I, George Paz, certify that:
| 1. | I have reviewed this Amendment No. 1 to the annual report on Form 10-K/A of Express Scripts, Inc.; |
| 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. |
Date: April 2, 2012
| /s/ George Paz | ||
| George Paz, Chairman, President and | ||
| Chief Executive Officer |