X0303 4 2010-11-02 0 0000885721 EXPRESS SCRIPTS INC ESRX 0001129892 TOAN BARRETT A C/O EXPRESS SCRIPTS, INC. ONE EXPRESS WAY ST. LOUIS MO 63121 1 0 0 0 Common Stock 2010-11-02 4 M 0 236000 9.395 A 538704 D Common Stock 2010-11-02 4 S 0 236000 51.0539 D 302704 D Non-Qualified Stock Option (Right-to-Buy) 9.395 2010-11-02 4 M 0 236000 D 2011-03-05 Express Scripts, Inc. Common Stock 236000 0 D Reporting Person's shares beneficially owned have been adjusted to reflect the Company's 2-for-1 stock split effective on June 7, 2010. Options vested in three equal installments on the first three anniversaries of the grant date. Stock Option granted pursuant to Express Scripts, Inc. 2000 Long-Term Incentive Plan. Barrett A. Toan 2010-11-04