NEW YORK, Dec. 10 /PRNewswire/ -- Standard & Poor's will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices: -- Masimo Corp. (NASDAQ:MASI) will replace PDL BioPharma Inc. (NASDAQ: NASDAQ:PDLI) in the S&P MidCap 400 after the close of trading on Thursday, December 18. PDL BioPharma is spinning off its biotechnology operations in a transaction expected to be completed on or about that date. After the spin-off, PDL BioPharma will no longer be representative of the U.S. mid-cap space. -- Clearwater Paper Corp. (NYSE:CLWwi) will replace PharmaNet Development Group Inc. (NASDAQ:PDGI) in the S&P SmallCap 600 after the close of trading on Tuesday, December 16. S&P MidCap 400 and S&P REIT Composite constituent Potlatch Corp. (NYSE:PCH) is spinning off Clearwater Paper in a transaction expected to be completed on or about that date. As of today's close, PharmaNet Development Group had a market capitalization of approximately $17 million, ranking it 600th in the index. Standard & Poor's will monitor these transactions, and post any relevant updates on its website: http://www.standardandpoors.com/. Masimo is a medical technology company. Headquartered in Irvine, CA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Health Care Equipment Sub-Industry index. Clearwater Paper is a pulp-based manufacturing company. Headquartered in Spokane, WA, the company will be added to the S&P SmallCap 600 GICS Paper Products Sub-Industry index. Following is a summary of the changes: S&P SMALLCAP 600 INDEX - December 16, 2008 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Clearwater Paper Materials Paper Products DELETED PharmaNet Health Care Life Sciences Tools Development & Services S&P MIDCAP 400 INDEX - December 18, 2008 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Masimo Health Care Health Care Equipment DELETED PDL BioPharma Health Care Biotechnology 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 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. Its family of indices includes the S&P 500, an index with $1.5 trillion invested and $4.85 trillion benchmarked, and the S&P Global 1200, a composite index comprised of seven regional and country headline indices. For more information, please visit http://www.standardandpoors.com/indices. 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 23 countries and markets, 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/. DATASOURCE: Standard & Poor's CONTACT: David M. Blitzer, Ph.D., Standard & Poor's Managing Director & Chairman of the Index Committee, +1-212-438-3907 Web Site: http://www.standardandpoors.com/

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