Standard & Poor's Announces Changes to U.S. Indices

NEW YORK, May 31 /PRNewswire-FirstCall/ -- Standard & Poor's will make the following changes to the S&P 500, S&P MidCap 400 and S&P SmallCap 600 indices:

S&P MidCap 400 constituent Commerce Bancorp Inc. will replace Engelhard Corp. in the S&P 500 after the close of trading on Monday, June 5. Engelhard is being acquired by S&P Global 1200 constituent BASF Aktiengesellschaft in an offer that is scheduled to close on or about that date, pending final approvals. S&P SmallCap 600 constituent Reliance Steel & Aluminum Co. will replace Commerce Bancorp in the S&P MidCap 400, and Stamps.com Inc. (NASD: STMP) will replace Reliance Steel & Aluminum in the S&P SmallCap 600.

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

Commerce Bancorp is a financial services retailer operating a network of branch offices serving New Jersey, Pennsylvania, Connecticut, Delaware, New York, Washington, DC, Virginia, and Florida. Headquartered in Cherry Hill, NJ, the company will be added to the S&P 500 GICS (Global Industry Classification Standard) Regional Banks Sub-Industry index.

Reliance Steel & Aluminum is a metals service center company. Headquartered in Los Angeles, CA, the company will be added to the S&P MidCap 400 GICS Steel Sub-Industry index.

Stamps.com's core service allows customers to buy and print U.S. Postal Service-approved postage remotely. Headquartered in Los Angeles, CA, the company will be added to the S&P SmallCap 600 GICS Internet Retail Sub- Industry index.

Following is a summary of the changes: S&P 500 INDEX -- June 5, 2006 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Commerce Bancorp Financials Regional Banks DELETED Engelhard Corp. Materials Diversified Chemicals S&P MIDCAP 400 INDEX -- June 5, 2006 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Reliance Steel Materials Steel & Aluminum DELETED Commerce Bancorp Financials Regional Banks S&P SMALLCAP 600 INDEX -- June 5, 2006 COMPANY GICS ECONOMIC SECTOR GICS SUB-INDUSTRY ADDED Stamps.com Consumer Discretionary Internet Retail DELETED Reliance Steel Materials Steel & Aluminum

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 , is the world's foremost provider of independent credit ratings, indices, risk evaluation, investment research and data. With approximately 6,300 employees located in 21 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/ .

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