EXHIBIT I SUBSIDIARY PLEDGE AGREEMENTI Subsidiary Pledge Agreement • August 13th, 2002 • Express Scripts Inc • Insurance agents, brokers & service
This Pledge Agreement, dated April 12, 2002, is delivered pursuant to Section 6(b) of the Pledge Agreement referred to below. The undersigned hereby agrees that this Pledge Agreement may be attached to the Pledge Agreement dated April 1, 1999, between the Pledgors party thereto and Credit Suisse First Boston, as Secured Party (the "PLEDGE AGREEMENT," capitalized terms defined therein being used herein as therein defined), and that the Pledge Shares listed on this Pledge Agreement shall be deemed to be part of the Pledged Shares and shall become part of the Pledged Collateral and shall secure all of the Secured Obligations. ESI MAIL PHARMACY SERVICE, INC.
