Company:  EXPRESS SCRIPTS INC (ESRX)
Form Type:  10-Q
Filing Date:  4/29/2009 
CIK:  0000885721 
Address:  ONE EXPRESS WAY 
City, State, Zip:  ST LOUIS, Missouri 63121 
Telephone:  (314) 996-0900 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$85.09  
Change: 
1.05 (1.25%)  
Trade Time: 
Nov 20  
Market Cap: 
$23.38B
Description of Business
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  FORM 10-Q
    PART I. FINANCIAL INFORMATION
      Item 1. Financial Statements
        BALANCE SHEET
        INCOME STATEMENT
        STOCKHOLDERS EQUITY
        CASH FLOW
        NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS
          Note 9 - Subsequent event
      Item 2. Management's Discussion and Analysis of Financial ...
      Item 3. Quantitative and Qualitative Disclosures About ...
      Item 4. Controls and Procedures
    PART II. OTHER INFORMATION
      Item 1. Legal Proceedings
      Item 1A. Risk Factors
      Item 2. Unregistered Sales of Equity Securities ...
      Item 6. Exhibits
    SIGNATURES
    INDEX TO EXHIBITS
  EXHIBIT 31.1
  EXHIBIT 31.2
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.2
    CERTIFICATION PURSUANT TO