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FTSE Mondo Visione Exchanges Index:

The Philadelphia Stock Exchange To Begin Trading Ten New Options On Tuesday, April 29

Date 28/04/2008

The Philadelphia Stock Exchange (PHLX) announced today that it will begin to trade ten new options on April 29, 2008. All of the following options were allocated to Citadel Derivatives Group LLC:

Ultrashort Basic Materials ,(option/stock symbol: SMN) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 7,500,000 contracts.

Ultra QQQ Proshares (option/stock symbol: QLD) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultrashort Dow30 Proshares (option/stock symbol: DXD) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultrashort Oil & Gas (option/stock symbol: DUG) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultra Dow30 Proshares (option/stock symbol: DDM) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultrashort Financials (option/stock symbol: SKF) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultra Financials Proshares (option/stock symbol: UYG) will trade on the March expiration cycle with initial expiration months of May, June, September and December. Position and exercise limits have been set at 25,000,000 contracts.

Ultra Russell2000 Proshares (option/stock symbol: UWM) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultrashort Russell2000 Proshares (option/stock symbol: TWM) will trade on the January expiration cycle with initial expiration months of May, June, July and October. Position and exercise limits have been set at 25,000,000 contracts.

Ultras S&P500 Proshares (option/stock symbol: SSO) will trade on the March expiration cycle with initial expiration months of May, June, September and December. Position and exercise limits have been set at 25,000,000 contracts.

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades over 7,000 stocks, 2,640 equity options, 16 sectors index options and currency options and futures. For more information about the PHLX and its products, visit www.phlx.com.