CTX Qwest Corp. 7.00% Notes Due 2052

NEW YORK, Aug. 11 /PRNewswire/ -- S&P MidCap 400 constituent FMC Corp. (NYSE:FMC) will replace Centex Corp. (NYSE:CTX) in the S&P 500, S&P SmallCap 600 constituent Informatica Corp. (NASDAQ:INFA) will replace FMC Corp. in the S&P MidCap 400, and AAON Inc. (NASDAQ:AAON) will replace Informatica in the S&P SmallCap 600 after the close of trading on Tuesday, August 18. Centex is being acquired by S&P 500 constituent Pulte Homes Inc. (NYSE:PHM) in a deal expected to close on or about that date. Standard & Poor's will monitor this transaction, and post any relevant updates on its website: http://www.standardandpoors.com/. FMC Corporation is a diversified chemical company. Headquartered in Philadelphia, PA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Diversified Chemicals Sub-Industry index. Informatica Corp. is a provider of enterprise data integration, and data quality software and services. Headquartered in Redwood City, CA, the company will be added to the S&P MidCap 400 GICS Application Software Sub-Industry index. AAON Inc. manufactures and sells air-conditioning and heating equipment. Headquartered in Tulsa, OK, the company will be added to the S&P SmallCap 600 GICS Building Products Sub-Industry index. Following is a summary of the change: S&P 500 INDEX - August 18, 2009 ------------------------------------------------------ COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ------- -------------------- ----------------- ADDED FMC Materials Diversified Chemicals DELETED Centex Consumer Discretionary Homebuilding S&P MIDCAP 400 INDEX - August 18, 2009 ------------------------------------------------------ COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ------- -------------------- ----------------- ADDED Informatica Information Application Technology Software DELETED FMC Materials Diversified Chemicals S&P SMALLCAP 600 INDEX - August 18, 2009 ------------------------------------------------------ COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ------- -------------------- ----------------- ADDED AAON Industrials Building Products DELETED Informatica Information Application Software Technology About Standard & Poor's Index Services Standard & Poor's Index Services, the world's leading index provider, maintains a wide variety of investable and benchmark indices to meet an array of investor needs. Over $1 trillion is directly indexed to Standard & Poor's family of indices, which includes the S&P 500, the world's most followed stock market index, the S&P Global 1200, a composite index comprised of seven regional and country headline indices, the S&P Global BMI, an index with approximately 11,000 constituents, and the S&P GSCI, the industry's most closely watched commodities index. For more information, please visit http://www.standardandpoors.com/indices. About Standard & Poor's Standard & Poor's, a subsidiary of The McGraw-Hill Companies (NYSE:MHP), is the world's foremost provider of independent credit ratings, indices, risk evaluation, investment research and data. With offices in 23 countries and markets, Standard & Poor's is an essential part of the world's financial infrastructure and has played a leading role for nearly 150 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/. . 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/

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