Type	Name	Date
Indenture	First Supplemental Indenture, among Express Scripts Holding Company, Express Scripts, Inc., the subsidiaries of Express Scripts, Inc. party thereto, Medco Health Solutions, Inc., the subsidiaries of Medco Health Solutions, Inc. party thereto and U.S. Bank Trust National Association, as Trustee	04/06/2012
Indenture	First Supplemental Indenture, among Medco Health Solutions, Inc., the subsidiaries of Medco Health Solutions, Inc. party thereto and U.S. Bank Trust National Association, as Trustee	04/06/2012
Indenture	Second Supplemental Indenture, among Express Scripts Holding Company, Express Scripts, Inc., the subsidiaries of Express Scripts, Inc. party thereto, Medco Health Solutions, Inc., the subsidiaries of Medco Health Solutions, Inc. party thereto and U.S. Bank Trust National Association, as Trustee	04/06/2012
Indenture	Indenture, among Express Scripts, Inc., Aristotle Holding, Inc., the other subsidiaries of Express Scripts, Inc. party thereto and Wells Fargo Bank, National Association, as Trustee	11/25/2011
Indenture	First Supplemental Indenture, among Express Scripts, Inc., Aristotle Holding, Inc., the other subsidiaries of Express Scripts, Inc. party thereto and Wells Fargo Bank, National Association, as Trustee	11/25/2011
Indenture	Second Supplemental Indenture, among Express Scripts, Inc., Aristotle Holding, Inc., the other subsidiaries of Express Scripts, Inc. party thereto and Wells Fargo Bank, National Association, as Trustee	11/25/2011
Credit agreement	Credit Agreement, among Express Scripts, Inc., Aristotle Holding, Inc., Credit Suisse AG, Cayman Islands Branch, as administrative agent, Citibank, N.A., as syndication agent, and the other lenders and agents named therein	08/09/2011
Credit agreement	Credit Agreement, among Express Scripts, Inc., Credit Suisse AG, Cayman Islands Branch, as administrative agent, The Bank of Tokyo-Mitsubishi UFJ, Ltd. and Morgan Stanley Senior Funding, Inc., as co-syndication agents, Citibank, N.A., JPMorgan Chase Bank, N.A. and Wells Fargo Bank, N.A., as co-documentation agents and the lenders named therein	08/19/2010

Type	Name	Date
By-Laws	Amended and Restated Bylaws of the Company	04/02/2012