The Philadelphia Stock Exchange To Begin Trading One New Option On Wednesday, April 4

The Philadelphia Stock Exchange (PHLX) announced today that it will begin to trade one new option on April 4, 2007. The following option has been allocated to LaBranche Structured Products, LLC:

Aircastle Limited (option/stock symbol: AYR) will trade on the January expiration cycle with initial expiration months of April, May, July, October and January. Position and exercise limits have been set at 50,000 contracts.

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades over 7,000 stocks, 2,434 equity options, 17 sectors index options and currency options and futures. For more information about the PHLX and its products, visit www.phlx.com.