Standard & Poor's Announces Change to U.S. Index

NEW YORK, March 10  /PRNewswire/ -- Cubist Pharmaceuticals Inc. (NASDAQ:CBST) will replace AMIS Holdings Inc. (NASDAQ:AMIS) in the S&P SmallCap 600 after the close of trading on a date to be announced. AMIS is being acquired by ON Semiconductor Corp. in a deal that is still pending final approvals.

Standard & Poor's will monitor this transaction, and post any relevant updates on its website: http://www.standardandpoors.com/.

Cubist Pharmaceuticals researches, develops and commercializes novel antimicrobial drugs to combat serious and life-threatening bacterial and fungal infections. Headquartered in Lexington, MA, the company will be added to the S&P SmallCap 600 GICS (Global Industry Classification Standard) Biotechnology Sub-Industry index.

  Following is a summary of the change:

                        S&P SMALLCAP 600 INDEX -- TBA

          COMPANY                 GICS ECONOMIC SECTOR     GICS SUB-INDUSTRY
  ADDED   Cubist Pharmaceuticals  Health Care              Biotechnology
  DELETED AMIS Holdings           Information Technology   Semiconductors




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 2007 were $6.8 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

[phone]



Web site:  http://www.standardandpoors.com/

http://www.mcgraw-hill.com/ 

Copyright