CVS Shareholders Vote to Approve Transformative Merger of Equals with Caremark.

WOONSOCKET, R.I. -- CVS Corporation (NYSE: CVS) said its shareholders have voted to approve the company's merger with Caremark Rx, Inc. (NYSE: CMX) at the special shareholder meeting held earlier today. Caremark shareholders are scheduled to vote on the transaction on March 16.

"We are extremely pleased our shareholders strongly supported our proposed merger with Caremark today," said Tom Ryan, CVS Chairman, President and CEO. "This landmark combination will uniquely position CVS/Caremark to deliver new products and services that will make a meaningful difference for both employers seeking to control costs and consumers seeking greater access and choice as they look to stretch their healthcare dollar further. We look forward to Caremark shareholders approving the transaction tomorrow and getting to work on delivering the significant financial and strategic benefits that only this deal can provide."

About CVS

CVS is America's largest retail pharmacy, operating approximately 6,200 retail and specialty pharmacy stores in 43 states and the District of Columbia. With more than 40 years of dynamic growth in the retail pharmacy industry, CVS is committed to being the easiest pharmacy retailer for customers to use. CVS innovatively serves the healthcare needs of all customers through its CVS/pharmacy stores; its online pharmacy, CVS.com; its retail-based health clinic subsidiary, MinuteClinic; and its pharmacy benefit management, mail order and specialty pharmacy subsidiary, PharmaCare. General information about CVS is available through the Investor Relations portion of the Company's website, at http://investor.cvs.com, as well as through the pressroom portion of the Company's website, at www.cvs.com/pressroom.

Certain Information Regarding the Tender Offer After Closing of the Merger

The information in this press release describing CVS' planned tender offer following closing of the CVS/Caremark merger is for informational purposes only and does not constitute an offer to buy or the solicitation of an offer to sell shares of CVS/Caremark's common stock in the tender offer. The tender offer will be made only pursuant to the Offer to Purchase and the related materials that CVS/Caremark will distribute to its shareholders and only if the CVS/Caremark merger is consummated. Shareholders should read the Offer to Purchase and the related materials carefully because they contain important information, including the various terms and conditions of the tender offer. Subsequent to the closing of the CVS/Caremark merger, shareholders of CVS/Caremark will be able to obtain a free copy of the Tender Offer Statement on Schedule TO, the Offer to Purchase and other documents that CVS/Caremark will be filing with the Securities and Exchange Commission from the Commission's website at www.sec.gov. Shareholders may also obtain a copy of these documents, without charge, from Morrow & Co., Inc., the information agent for the tender offer, toll free at 1 [phone] when these documents become available. Shareholders are urged to carefully read these materials prior to making any decision with respect to the tender offer. Shareholders and investors who have questions or need assistance may call Morrow & Co., Inc., the information agent for the tender offer, toll free at 1 [phone].

Cautionary Statement Regarding Forward-Looking Statements 

This document contains certain forward-looking statements about CVS and Caremark. When used in this document, the words "anticipates", "may", "can", "believes", "expects", "projects", "intends", "likely", "will", "to be" and any similar expressions and any other statements that are not historical facts, in each case as they relate to CVS or Caremark or to the combined company, the management of either such company or the combined company or the transaction are intended to identify those assertions as forward-looking statements. In making any of those statements, the person making them believes that its expectations are based on reasonable assumptions. However, any such statement may be influenced by factors that could cause actual outcomes and results to be materially different from those projected or anticipated. These forward-looking statements, including, without limitation, statements relating to anticipated accretion, return on equity, cost synergies, incremental revenues and new products and offerings, are subject to numerous risks and uncertainties. There are various important factors that could cause actual results to differ materially from those in any such forward-looking statements, many of which are beyond the control of CVS and Caremark, including macroeconomic condition and general industry conditions such as the competitive environment for retail pharmacy and pharmacy benefit management companies, regulatory and litigation matters and risks, legislative developments, changes in tax and other laws and the effect of changes in general economic conditions, the risk that a condition to closing of the transaction may not be satisfied, the risk that a regulatory approval that may be required for the transaction is not obtained or is obtained subject to conditions that are not anticipated and other risks to consummation of the transaction. The actual results or performance by CVS or Caremark or the combined company, and issues relating to the transaction, could differ materially from those expressed in, or implied by, any forward-looking statements relating to those matters. Accordingly, no assurances can be given that any of the events anticipated by the forward-looking statements will transpire or occur, or if any of them do so, what impact they will have on the results of operations or financial condition of CVS or Caremark, the combined company or the transaction.

Important Information for Investors and Stockholders

A Registration Statement on Form S-4, containing a joint proxy statement and prospectus relating to the proposed merger of Caremark and CVS, was declared effective by the Securities and Exchange Commission on January 19, 2007. CVS and Caremark urge investors and shareholders to read the joint proxy statement/prospectus and any other relevant documents filed by either party with the SEC because they will contain important information.

Investors and shareholders may obtain the joint proxy statement / prospectus and other documents filed with the SEC free of charge at the website maintained by the SEC at www.sec.gov. In addition, documents filed with the SEC by CVS will be available free of charge on the investor relations portion of the CVS website at http://investor.cvs.com. Documents filed with the SEC by Caremark will be available free of charge on the investor relations portion of the Caremark website at www.caremark.com.

CVS and certain of its directors and executive officers are participants in the solicitation of proxies from the shareholders of CVS in connection with the merger. A description of the interests of CVS's directors and executive officers in CVS is set forth in the proxy statement for CVS's 2006 annual meeting of shareholders, which was filed with the SEC on March 24, 2006 and in the joint proxy statement/prospectus referred to above. Caremark, and certain of its directors and executive officers may be deemed to be participants in the solicitation of proxies from its shareholders in connection with the merger. A description of the interests of Caremark's directors and executive officers in Caremark is set forth in the proxy statement for Caremark's 2006 annual meeting of shareholders, which was filed with the SEC on April 7, 2006 and in the joint proxy statement/prospectus referred to above.