DELAWARE
|
0-20199
|
43-1420563
|
(State
or Other Jurisdiction of
Incorporation
or Organization
|
(Commission
File Number)
|
(I.R.S.
Employer
Identification
No.)
|
One
Express Way, St. Louis, MO
(Address
of Principal Executive Offices)
|
63121
(Zip
Code)
|
¨
|
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
|
¨
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
¨
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
|
¨
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
|
EXPRESS SCRIPTS, INC. | |||
Date:
May 2, 2008
|
By:
|
/s/ Thomas M. Boudreau | |
Thomas M. Boudreau | |||
Executive Vice President, Law & Strategy | |||