Pacific Exchange(R) To Trade Options On iShares(R) Dow Jones(R) U.S. Real Estate Index Fund

The Pacific Exchange, Inc. ("PCX") announced that at the opening of business on Friday, January 6, 2006, it will commence trading options on the following equity securities: iShares(R) Dow Jones(R) U.S. Real Estate Index Fund (PCX: IYR).

iShares Dow Jones U.S. Real Estate Index Fund options will trade on the March expiration cycle with exercise limits set at 25,000,000 shares. The issue will be traded by lead market makers Rob Kovell and Matthew Zahner of PEAK6 Capital Management, LLC.