RSAS Rsa Security

NEW YORK, Sept. 11 /PRNewswire/ -- Psychiatric Solutions Inc. (NASDAQ:PSYS) will replace RSA Security Inc. (NASDAQ:RSAS) in the S&P MidCap 400 after the close of trading on Thursday, September 14. RSA Security is being acquired by S&P 500 constituent EMC Corp. (NYSE:EMC) in a deal expected to close on or about that date, pending final approvals. Standard & Poor's will monitor this transaction, and post any relevant updates on its website: http://www.standardandpoors.com/. Psychiatric Solutions owns and operates psychiatric inpatient facilities, and manages psychiatric inpatient facilities and psychiatric units in hospitals owned by others. Headquartered in Franklin, TN, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Health Care Facilities Sub-Industry index. Following is a summary of the change: S&P MIDCAP 400 INDEX - September 14, 2006 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Psychiatric Solutions Health Care Health Care Facilities DELETED RSA Security Information Technology Systems Software Additions to and deletions from an S&P equity index do not in any way reflect an opinion on the investment merits of the companies concerned. About Standard & Poor's Standard & Poor's, a division of The McGraw-Hill Companies (NYSE:MHP), is the world's foremost provider of financial market intelligence, including independent credit ratings, indices, risk evaluation, investment research and data. With approximately 7,500 employees, including wholly owned affiliates, located in 21 countries, Standard & Poor's is an essential part of the world's financial infrastructure, and has played a leading role for more than 140 years in providing investors with the independent benchmarks they need to feel more confident about their investment and financial decisions. For more information, visit http://www.standardandpoors.com/ About The McGraw-Hill Companies Founded in 1888, The McGraw-Hill Companies is a leading global information services provider meeting worldwide needs in the financial services, education and business information markets through leading brands such as Standard & Poor's, McGraw-Hill Education, BusinessWeek and J.D. Power and Associates. The Corporation has more than 290 offices in 38 countries. Sales in 2005 were $6.0 billion. Additional information is available at http://www.mcgraw-hill.com/. DATASOURCE: Standard & Poor's CONTACT: David M. Blitzer, Ph.D. Managing Director & Chairman of the Index Committee +1-212-438-3907 Web site: http://www.standardandpoors.com/ http://www.mcgraw-hill.com/

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