TTN Titan Corp

Standard & Poor's Announces Changes to U.S. Indices NEW YORK, July 25 /PRNewswire-FirstCall/ -- Standard & Poor's will make the following changes to the S&P MidCap 400 and S&P SmallCap 600 indices after the close of trading on Friday, July 29: * Intuitive Surgical Inc. (NASD: ISRG) will replace Titan Corp. (NYSE: NYSE:TTN) in the S&P MidCap 400. Titan is being acquired by a wholly-owned subsidiary of S&P 500 constituent L-3 Communications Holdings Inc. (NYSE:LLL) in a deal expected to close on or about that date, pending final approvals. * Chaparral Steel Co. (NASD: CHAPV) will replace Enesco Group Inc. (NYSE: NYSE:ENC) in the S&P SmallCap 600. Chaparral Steel is being spun off by S&P SmallCap 600 constituent Texas Industries Inc. (NYSE:TXI) in a deal expected to close on or about that date. At the close of trading on July 25 Enesco had a market cap of approximately $39 million, ranking 600th in the index. Standard & Poor's will monitor these transactions, and post any relevant updates on its website: http://www.standardandpoors.com/ . Intuitive Surgical offers proprietary advanced robotics and computerized visualization technology for the performance of minimally invasive surgeries. Headquartered in Sunnyvale, CA, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Health Care Equipment Sub-Industry Index. Chaparral Steel is a supplier of structural steel products, such as large- sized structural beams, specialty bar products and reinforcing bar. Headquartered in Midlothian, TX, the company will be added to the S&P SmallCap 600 GICS Steel Sub-Industry Index. Following is a summary of the changes: S&P MIDCAP 400 INDEX -- July 29, 2005 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Intuitive Surgical Health Care Health Care Equipment DELETED Titan Corp. Information IT Consulting & Other Technology Services S&P SMALLCAP 600 INDEX -- July 29, 2005 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Chaparral Steel Materials Steel DELETED Enesco Group Consumer Discretionary Housewares & Specialties 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 independent credit ratings, indices, risk evaluation, investment research, data and valuations. With 6,500 employees located in 22 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/ . Founded in 1888, The McGraw-Hill Companies 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, BusinessWeek and McGraw-Hill Education. The Corporation has more than 290 offices in 37 countries. Sales in 2004 were $5.3 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, Standard & Poor's +1-212-438-3907 Web site: http://www.standardandpoors.com/ http://www.mcgraw-hill.com/

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