CDX Simplify High Yield PLUS Credit Hedge ETF

Standard & Poor's Announces Changes to S&P U.S. Indices NEW YORK, July 26 /PRNewswire/ -- Standard & Poor's will make the following changes in the S&P 500, S&P MidCap 400 and S&P REIT Composite Indices: * Fisher Scientific (NYSE:FSH) will replace Thomas & Betts (NYSE:TNB) in the S&P 500 Index after the close of trading on Monday, August 2, 2004. Fisher Scientific is acquiring S&P MidCap 400 component Apogent Technologies (NYSE:AOT) in a deal anticipated to close on or about that date. The transaction still needs shareholder approval. Thomas & Betts will replace Apogent Technologies (NYSE:AOT) in the S&P MidCap 400 Index. Standard & Poor's will monitor this transaction, and post any relevant updates on its website: http://www.standardandpoors.com/. * Catellus Development Corp. (NYSE:CDX) will replace Keystone Property Trust (NYSE:KTR) in the S&P REIT Composite Index after the close of trading on Friday, July 30, 2004. Keystone Property Trust is being acquired by S&P 500 component ProLogis (NYSE:PLD) and S&P MidCap 400 component Eaton Vance (NYSE:EV) for cash. The deal still needs shareholder approval. Fisher Scientific provides products and services to the global scientific research and United States clinical laboratory markets. The company, headquartered in Hampton, NH, will be added to the S&P 500 GICS (Global Industry Classification Standard) Health Care Equipment Sub-Industry Index. Thomas & Betts is a designer and manufacturer of connectors and components for electrical and communication markets. The company, headquartered in Memphis, TN, will be added to the S&P MidCap 400 GICS Electrical Components & Equipment Sub-Industry Index. Catellus Development Corp. manages, acquires and develops predominantly industrial rental property in major distribution centers and transportation corridors. The company, headquartered in San Francisco, CA, will be added to the S&P REIT Composite Diversified property category. Following is a summary of the change: S&P 500 INDEX - August 2, 2004 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Fisher Scientific Health Care Health Care Equipment DELETED Thomas & Betts Industrials Electrical Components & Equipment S&P MIDCAP 400 INDEX - August 2, 2004 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Thomas & Betts Industrials Electrical Components & Equipment DELETED Apogent Technologies Health Care Health Care Equipment S&P REIT COMPOSITE INDEX - July 30, 2004 COMPANY REIT TYPE PROPERTY CATEGORY ADDED Catellus Development Equity Diversified DELETED Keystone Property Trust Equity Industrial/Office 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. 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 5000 employees located in 20 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 280 offices in 40 countries. Sales in 2003 were $4.8 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 (212) 438-3907 Web site: http://www.standardandpoors.com/ http://www.mcgraw-hill.com/

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