Standard & Poor's Announces Changes to U.S. Indices NEW YORK, June 6 /PRNewswire/ -- Standard & Poor's will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices: * Western Digital Corp. (NYSE:WDC) will replace Caesars Entertainment Inc. (NYSE:CZR) in the S&P MidCap 400 after the close of trading on Monday, June 13. Caesars is being acquired by S&P 500 constituent Harrah's Entertainment Inc. (NYSE:HET) in a deal expected to close on or about that date, subject to final approval. * SS&C Technologies Inc. (NASD: SSNC) will replace Concord Communications Inc. (NASD: CCRD) in the S&P SmallCap 600 after the close of trading on a date to be announced. Concord is being acquired by S&P 500 constituent Computer Associates International Inc. (NYSE:CA) in a deal still pending final approvals. Standard & Poor's will monitor these transactions, and post any relevant updates on its website: http://www.standardandpoors.com/. Western Digital designs and manufactures hard disk drives for personal computing. Headquartered in Lake Forest, CA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Computer Storage & Peripherals Sub-Industry Index. SS&C Technologies provides software, business process outsourcing services and application service provider solutions to the financial services industry. Headquartered in Windsor, CT, the company will be added to the S&P SmallCap 600 GICS Application Software Sub-Industry Index. Following is a summary of the changes: S&P MIDCAP 400 INDEX - June 13, 2005 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Western Digital Information Technology Computer Storage & Peripherals DELETED Caesars Entertainment Consumer Discretionary Casinos & Gaming S&P SMALLCAP 600 INDEX - TBA COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED SS&C Technologies Information Technology Application Software DELETED Concord Information Technology Application Communications 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 independent credit ratings, indices, risk evaluation, investment research, data and valuations. With 6,000 employees 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/. 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, BusinessWeek and McGraw-Hill Education. The Corporation has more than 280 offices in 37 countries. Sales in 2004 were $5.3 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 (212) 438-3907 Web site: http://www.standardandpoors.com/ http://www.mcgraw-hill.com/

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