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FTSE Mondo Visione Exchanges Index:

The Philadelphia Stock Exchange To Begin Trading Ten New Options

Date 05/07/2007

The Philadelphia Stock Exchange (PHLX) announced today that it will begin to trade ten new options. One option will begin trading today, July 5, 2007. The nine other options will begin to trade on July 6, 2007. The option that will begin trading today was allocated to Susquehanna Investment Group:

Titan International, Inc. (option/stock symbol: TWI) will trade on the January expiration cycle with initial expiration months of July, August, October and January. Position and exercise limits have been set at 75,000 contracts.

The following eight options will begin to trade on July 6, 2007, and were all allocated to Market Street Securities:

Phazar Corp. (option/stock symbol: QJW/ANTP) will trade on the January expiration cycle with initial expiration months of July, August, October and January. Position and exercise limits have been set at 25,000 contracts.

Infinera Corporation (option/stock symbol: QIM/INFN) will trade on the January expiration cycle with initial expiration months of July, August, October and January. Position and exercise limits have been set at 50,000 contracts.

Altus Pharmaceuticals Inc. (option/stock symbol: QTA/ALTU) will trade on the March expiration cycle with initial expiration months of July, August, September and December. Position and exercise limits have been set at 50,000 contracts.

Bruker BioSciences Corporation (option/stock symbol: TQB/BRKR) will trade on the February expiration cycle with initial expiration months of July, August, November and February. Position and exercise limits have been set at 75,000 contracts.

Cambrex Corporation (option/stock symbol: CBM) will trade on the March expiration cycle with initial expiration months of July, August, September and December. Position and exercise limits have been set at 75,000 contracts.

Northstar Neuroscience, Inc. (option/stock symbol: QNM/NSTR) will trade on the March expiration cycle with initial expiration months of July, August, September and December. Position and exercise limits have been set at 25,000 contracts.

Perrigo Company (option/stock symbol: IQP/PRGO) will trade on the February expiration cycle with initial expiration months of July, August, November and February. Position and exercise limits have been set at 200,000 contracts.

Aeroflex Incorporated (option/stock symbol: ARX/ARXX) will trade on the March expiration cycle with initial expiration months of July, August, September and December. Position and exercise limits have been set at 250,000 contracts.

The final option to begin trading on July 6, 2007 was allocated to Citadel Derivatives Trading Group LLC:

United States Oil Fund, LP (option/stock symbol: USO) will trade on the January expiration cycle with initial expiration months of July, August, October and January. Position and exercise limits have been set at 250,000 contracts.

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades over 7,000 stocks, 2,543 equity options, 17 sectors index options and currency options and futures. For more information about the PHLX and its products, visit www.phlx.com.