Standard & Poor's Announces Changes to U.S. Indices NEW YORK, June 22 /PRNewswire/ -- Standard & Poor's will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices: * S&P MidCap 400 constituent D.R. Horton Inc. (NYSE:DHI) will replace Veritas Software Corp. (NASD: VRTS) in the S&P 500 after the close of trading on a date to be announced. Veritas Software is being acquired by S&P 500 constituent Symantec Corp. (NASD: SYMC) in a deal that is still subject to final approvals. Macerich Co. (NYSE:MAC) will replace D.R. Horton in the S&P MidCap 400. * TreeHouse Foods Inc. (NYSE:THSwi) will replace OCA Inc. (NYSE:OCA) in the S&P SmallCap 600 after the close of trading on Monday, June 27. TreeHouse Foods is being spun off by Dean Foods Co. (NYSE:DF), which will remain in the S&P MidCap 400. OCA has traded below $1.00 per share for more than five consecutive days. Standard & Poor's will monitor these transactions, and post any relevant updates on its website: http://www.standardandpoors.com/. D.R. Horton builds and sells single-family homes. Headquartered in Fort Worth, TX, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Homebuilding Sub-Industry Index. Macerich owns and manages a portfolio of regional shopping and community centers throughout the U.S. Headquartered in Santa Monica, CA, the company will be added to the S&P MidCap 400 GICS Real Estate Investment Trusts Sub- Industry Index. TreeHouse is a food manufacturer servicing primarily the retail grocery and foodservice channels. Headquartered in Downers Grove, IL, the company will be added to the S&P SmallCap 600 GICS Packaged Foods & Meats Sub-Industry Index. Following is a summary of the changes: S&P 500 INDEX -- TBA COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED D.R. Horton Consumer Discretionary Homebuilding DELETED Veritas Software Information Technology Systems Software S&P MIDCAP 400 INDEX -- TBA COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Macerich Financials Real Estate Investment Trusts DELETED D.R. Horton Consumer Discretionary Homebuilding S&P SMALLCAP 600 INDEX -- June 27, 2005 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED TreeHouse Foods Consumer Staples Packaged Foods & Meats DELETED OCA Health Care Health Care Services 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 290 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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