DQE Duquesne LT Hldgs

NEW YORK, May 24 /PRNewswire/ -- Standard & Poor's will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices: -- Digital River Inc. (NASDAQ:DRIV) will replace Duquesne Light Holdings Inc. (NYSE:DQE) in the S&P MidCap 400 after the close of trading on Thursday, May 31. Duquesne is being acquired by a consortium led by Macquarie Infrastructure Partners in a deal expected to close on or about that date, pending final approvals. Digital River was originally announced as the replacement for OSI Restaurant Partners Inc. (NYSE:OSI). A new replacement for OSI Restaurant Partners will be named at a later date. -- S&P SmallCap 600 constituent NBTY Inc. (NYSE:NTY) will replace Claire's Stores Inc. (NYSE:CLE) in the S&P MidCap 400 and AMIS Holdings Inc. (NASDAQ:AMIS) will replace NBTY Inc. in the S&P SmallCap 600 after the close of trading on a date to be announced. Claire's Stores is being acquired by Apollo Management, L.P in a deal still pending final approvals. -- Authorize.Net Holdings, Inc. (NASDAQ:ANET) will replace Steel Technologies Inc. (NASDAQ:STTX) in the S&P SmallCap 600 after the close of trading on a date to be announced. Steel Technologies is being acquired by Mitsui & Co. (U.S.A.), Inc. 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/. Digital River provides outsourced e-commerce solutions to software and high-tech products markets, and retailers. Headquartered in Eden Prairie, MN, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Internet Software & Services Sub-Industry index. NBTY Inc. engages in the manufacture, marketing, and retail of nutritional supplements. Headquartered in Bohemia, NY, the company will be added to the S&P MidCap 400 GICS Personal Products Sub-Industry index. AMIS Holdings engages in the design and manufacture of customer-specific mixed signal semiconductor products. Headquartered in Pocatello, ID the company will be added to the S&P SmallCap 600 GICS Semiconductors Sub-Industry index. Authorize.Net provides payment-processing solutions in the United States. Headquartered in Marlborough, MA the company will be added to the S&P SmallCap 600 GICS Data Processing & Outsourced Services Sub-Industry index. Following is a summary of the changes: S&P MIDCAP 400 INDEX - May 31, 2007 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Digital River Information Technology Internet Software & Services DELETED Duquesne Utilities Electric Utilities S&P MIDCAP 400 INDEX - To Be Announced COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED NBTY Inc. Consumer Staples Personal Products DELETED Claire's Stores Consumer Discretionary Specialty Stores S&P SMALLCAP 600 INDEX - To Be Announced COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED AMIS Holdings Information Technology Semiconductors DELETED NBTY Inc. Consumer Staples Personal Products S&P SMALLCAP 600 INDEX - To Be Announced COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Authorize.Net Information Technology Data Procaessing & Outsourced Services DELETED Steel Technologies Materials Steel 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 (NYSE:MHP) 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 280 offices in 40 countries. Sales in 2006 were $6.3 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 +1-212-438-3907 Web site: http://www.standardandpoors.com/

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