Standard & Poor's Announces Changes to U.S. Indices

NEW YORK, Oct. 8  /PRNewswire/ -- Standard & Poor's will make the following changes to the S&P 500 and S&P MidCap 400 indices:

  -- S&P MidCap 400 constituent Expeditors International of Washington Inc.
     (NASD: EXPD) will replace TXU Corp. (NYSE:TXU) in the S&P 500 and
     Terra Industries Inc. (NYSE:TRA) will replace Expeditors International
     in the S&P MidCap 400 after the close of trading on Tuesday, October 9.
     TXU Corp. is being acquired by a group of investors led by Kohlberg
     Kravis Roberts & Co. and Texas Pacific Group in a deal expected to
     close on or about that date, pending final approvals.
  -- Guess? Inc. (NYSE:GES) will replace CDW Corp. (NASD: CDWC) in the S&P
     MidCap 400 after the close of trading on a date to be announced.  CDW
     Corp. is being acquired by Madison Dearborn Partners, LLC 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/.

Expeditors International provides logistics services worldwide. Headquartered in Seattle, WA, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Air Freight & Logisitics Sub- Industry index.

Terra Industries engages in the production and marketing of nitrogen and methanol products for agricultural and industrial markets.  Headquartered in Sioux City, IA, the company will be added to the S&P MidCap 400 GICS Fertilizers & Agricultural Chemicals Sub-Industry index.

Guess? engages in the design, marketing, distribution, and licensing of lifestyle collections of apparel and accessories for men, women, and children. Headquartered in Los Angeles, CA, the company will be added to the S&P MidCap 400 GICS Apparel Retail Sub-Industry index.

  Following is a summary of the changes:


                     S&P 500 INDEX - October 9, 2007
            COMPANY        GICS ECONOMIC SECTOR     GICS SUB-INDUSTRY
  ADDED     Expeditors     Industrials              Air Freight & Logistics
            International
  DELETED   TXU            Utilities                Independent Power
                                                    Producers & Energy
                                                    Traders

                  S&P MIDCAP 400 INDEX - October 9, 2007
            COMPANY        GICS ECONOMIC SECTOR     GICS SUB-INDUSTRY
  ADDED     Terra          Materials                Fertilizers &
            Industries                              Agricultural Chemicals
  DELETED   Expeditors     Industrials              Air Freight & Logistics
            International

                  S&P MIDCAP 400 INDEX - To Be Announced
            COMPANY        GICS ECONOMIC SECTOR     GICS SUB-INDUSTRY
  ADDED     Guess?         Consumer Discretionary   Apparel Retail
  DELETED   CDW Corp.      Information Technology   Technology Distributors




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 8,500 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:

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DATASOURCE: Standard & Poor's



CONTACT:

David M. Blitzer, Ph.D.

Managing Director & Chairman of the Index Committee

[phone]



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