CMX Caremark RX

Mails Letter to Caremark Board ST. LOUIS, Feb. 9 /PRNewswire-FirstCall/ -- Express Scripts, Inc. (NASDAQ:ESRX) today mailed the following letter to the Board of Caremark Rx, Inc. (NYSE:CMX): February 9, 2007 Board of Directors Caremark Rx, Inc. 211 Commerce Street, Suite 800 Nashville, Tennessee 37201 Ladies and Gentlemen: Since our initial proposal to you more than seven weeks ago, setting out the terms of our proposed acquisition of Caremark Rx, Inc., Caremark stockholders and the marketplace as a whole have demonstrated their strong support for our offer. It clearly provides Caremark stockholders with superior value to the proposed acquisition of Caremark by CVS Corporation. We feel that it is time to sit down and discuss our superior proposal to acquire Caremark. We are ready, willing and able to commence confirmatory due diligence immediately, and with your cooperation should be able to complete the process in a few weeks. It is time to level the playing field and negotiate a transaction that would create superior value and benefits for our respective stockholders, plan sponsors and patients. Over the past weeks, we have had the opportunity to meet with many of your stockholders across the country as we explained the benefits of an Express Scripts/Caremark combination to stockholders, plan sponsors and patients. We have also met with many of our stockholders. The consensus has been clear -- Caremark and Express Scripts stockholders have clearly stated their desire to see Caremark and Express Scripts sit down at the table and talk. In light of this, it is not too late to begin discussions regarding our offer, nor is it necessary to bring the CVS proposal to a vote of your stockholders on February 20th 2007. We do not believe that rushing your stockholders to a vote on such an important question is in the best interests of your Board or your stockholders. In any case, we strongly believe that there will be only one result at this meeting -- the rejection of the CVS transaction by Caremark's stockholders. Let me reiterate that we and our advisors are ready to meet with you and your advisors at any time to discuss our offer and to answer any questions you or they may have. We look forward to hearing from you so that we can promptly begin working together to bring about the best outcome for our respective stockholders. Sincerely, /s/ George Paz George Paz President, Chief Executive Officer and Chairman of the Board Safe Harbor Statement This press release contains forward-looking statements, including, but not limited to, statements related to the Company's plans, objectives, expectations (financial and otherwise) or intentions. Actual results may differ significantly from those projected or suggested in any forward-looking statements. Factors that may impact these forward-looking statements include but are not limited to: * uncertainties associated with our acquisitions, which include integration risks and costs, uncertainties associated with client retention and repricing of client contracts, and uncertainties associated with the operations of acquired businesses * costs and uncertainties of adverse results in litigation, including a number of pending class action cases that challenge certain of our business practices * investigations of certain PBM practices and pharmaceutical pricing, marketing and distribution practices currently being conducted by the U.S. Attorney offices in Philadelphia and Boston, and by other regulatory agencies including the Department of Labor, and various state attorneys general * changes in average wholesale prices ("AWP"), which could reduce prices and margins, including the impact of a proposed settlement in a class action case involving First DataBank, an AWP reporting service * uncertainties regarding the implementation of the Medicare Part D prescription drug benefit, including the financial impact to us to the extent that we participate in the program on a risk-bearing basis, uncertainties of client or member losses to other providers under Medicare Part D, and increased regulatory risk * uncertainties associated with U.S. Centers for Medicare & Medicaid's ("CMS") implementation of the Medicare Part B Competitive Acquisition Program ("CAP"), including the potential loss of clients/revenues to providers choosing to participate in the CAP * our ability to maintain growth rates, or to control operating or capital costs * continued pressure on margins resulting from client demands for lower prices, enhanced service offerings and/or higher service levels, and the possible termination of, or unfavorable modification to, contracts with key clients or providers * competition in the PBM and specialty pharmacy industries, and our ability to consummate contract negotiations with prospective clients, as well as competition from new competitors offering services that may in whole or in part replace services that we now provide to our customers * results in regulatory matters, the adoption of new legislation or regulations (including increased costs associated with compliance with new laws and regulations), more aggressive enforcement of existing legislation or regulations, or a change in the interpretation of existing legislation or regulations * increased compliance relating to our contracts with the DoD TRICARE Management Activity and various state governments and agencies * the possible loss, or adverse modification of the terms, of relationships with pharmaceutical manufacturers, or changes in pricing, discount or other practices of pharmaceutical manufacturers or interruption of the supply of any pharmaceutical products * the possible loss, or adverse modification of the terms, of contracts with pharmacies in our retail pharmacy network * the use and protection of the intellectual property we use in our business * our leverage and debt service obligations, including the effect of certain covenants in our borrowing agreements * our ability to continue to develop new products, services and delivery channels * general developments in the health care industry, including the impact of increases in health care costs, changes in drug utilization and cost patterns and introductions of new drugs * increase in credit risk relative to our clients due to adverse economic trends * our ability to attract and retain qualified personnel * other risks described from time to time in our filings with the SEC Risks and uncertainties relating to the proposed transaction that may impact forward-looking statements include but are not limited to: * Express Scripts and Caremark may not enter into any definitive agreement with respect to the proposed transaction * required regulatory approvals may not be obtained in a timely manner, if at all * the proposed transaction may not be consummated * the anticipated benefits of the proposed transaction may not be realized * the integration of Caremark's operations with Express Scripts may be materially delayed or may be more costly or difficult than expected * the proposed transaction would materially increase leverage and debt service obligations, including the effect of certain covenants in any new borrowing agreements. We do not undertake any obligation to release publicly any revisions to such forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events. Important Information Express Scripts has filed a proxy statement in connection with Caremark's special meeting of stockholders at which the Caremark stockholders will consider the CVS Merger Agreement and matters in connection therewith. Express Scripts stockholders are strongly advised to read that proxy statement and the accompanying form of GOLD proxy card, as they contain important information. Express Scripts also intends to file a proxy statement in connection with Caremark's annual meeting of stockholders at which the Caremark stockholders will vote on the election of directors to the board of directors of Caremark. Express Scripts stockholders are strongly advised to read this proxy statement and the accompanying proxy card when they become available, as each will contain important information. Stockholders may obtain each proxy statement, proxy card and any amendments or supplements thereto which are or will be filed with the Securities and Exchange Commission ("SEC") free of charge at the SEC's website (http://www.sec.gov/) or by directing a request to MacKenzie Partners, Inc., at 800-322-2885 or by email at . In addition, this material is not a substitute for the prospectus/offer to exchange and registration statement that Express Scripts has filed with the SEC regarding its exchange offer for all of the outstanding shares of common stock of Caremark. Investors and security holders are urged to read these documents, all other applicable documents, and any amendments or supplements thereto when they become available, because each contains or will contain important information. Such documents are or will be available free of charge at the SEC's website (http://www.sec.gov/) or by directing a request to MacKenzie Partners, Inc., at 800-322-2885 or by email at . Express Scripts and its directors, executive officers and other employees may be deemed to be participants in any solicitation of Express Scripts or Caremark shareholders in connection with the proposed transaction. Information about Express Scripts' directors and executive officers is available in Express Scripts' proxy statement, dated April 18, 2006, filed in connection with its 2006 annual meeting of stockholders. Additional information about the interests of potential participants is included in the proxy statement filed in connection with Caremark's special meeting to approve the proposed merger with CVS and will be included in any proxy statement regarding the proposed transaction. We have also filed additional information regarding our solicitation of stockholders with respect to Caremark's annual meeting on a Schedule 14A pursuant to Rule 14a-12 on January 9, 2007. About Express Scripts Express Scripts, Inc. is one of the largest PBM companies in North America, providing PBM services to over 50 million members. Express Scripts serves thousands of client groups, including managed-care organizations, insurance carriers, employers, third-party administrators, public sector, and union-sponsored benefit plans. Express Scripts provides integrated PBM services, including network-pharmacy claims processing, home delivery services, benefit-design consultation, drug-utilization review, formulary management, disease management, and medical- and drug-data analysis services. The Company also distributes a full range of injectable and infusion biopharmaceutical products directly to patients or their physicians, and provides extensive cost-management and patient-care services. Express Scripts is headquartered in St. Louis, Missouri. More information can be found at http://www.express-scripts.com/, which includes expanded investor information and resources. Investor Contacts: Edward Stiften, Chief Financial Officer David Myers, Vice President, Investor Relations (314) 702-7173 Steve Balet / Laurie Connell MacKenzie Partners, Inc. (212) 929-5500 Media Contacts: Steve Littlejohn, Vice President, Public Affairs (314) 702-7556 Joele Frank / Steve Frankel Joele Frank, Wilkinson Brimmer Katcher (212) 355-4449 DATASOURCE: Express Scripts, Inc. CONTACT: Investor, Edward Stiften, Chief Financial Officer, or David Myers, Vice President, Investor Relations, both of Express Scripts, Inc., +1-314-702-7173; or Steve Balet, or Laurie Connell, both of MacKenzie Partners, Inc., +1-212-929-5500, for Express Scripts, Inc.; or Media, Steve Littlejohn, Vice President, Public Affairs, of Express Scripts, Inc., +1-314-702-7556; or Joele Frank, or Steve Frankel, both of Joele Frank, Wilkinson Brimmer Katcher, +1-212-355-4449, for Express Scripts, Inc. Web site: http://www.express-scripts.com/

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