The Philadelphia Stock Exchange To Begin Trading One New Option On Tuesday, January 15

The Philadelphia Stock Exchange (PHLX) announced today that it will begin to trade one new option on January 15, 2008. The following option was allocated to Citadel Derivatives Trading Group LLC:

Medis Technologies Ltd. (option/stock symbol: MRU/MDTL) will trade on the March expiration cycle with initial expiration months of January, February, April and July. Position and exercise limits have been set at 75,000 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.