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THE PHILADELPHIA STOCK EXCHANGE TO BEGIN TRADING 11 NEW OPTIONS ON THURSDAY, DECEMBER 22For more information, contact Barbara Sorid at 215-496-5200 or by e-mail PHILADELPHIA — December 21, 2005 -The Philadelphia Stock Exchange (PHLX) announced today that it will begin trading 11 new options beginning Thursday, December 22. The options were allocated to LaBranche Structured Products, LLC. Epiq Systems, Inc. (FQU/EPIQ)(option/stock symbol: FQU) will trade on the January expiration cycle with initial expiration months of January, February, April and July. Position and exercise limits have been set at 25,000 contracts. Euronet Worldwide, Inc. (HSQ/EEFT)(option/stock symbol: HSQ) will trade on the February expiration cycle with initial expiration months of January, February, May and August. Position and exercise limits have been set at 75,000 contracts. ExpressJet Holdings, Inc. (option/stock symbol: XJT) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 75,000 contracts. Introgen Therapeutics, Inc. (IUZ/INGN)(option/stock symbol: IUZ) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 50,000 contracts. LifeCell Corporation (QKL/LIFC)(option/stock symbol: QKL) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 75,000 contracts. Metrologic Instruments, Inc. (QOM/MTLG)(option/stock symbol: QOM) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 50,000 contracts. Potlatch Corporation (option/stock symbol: PCH) will trade on the February expiration cycle with initial expiration months of January, February, May and August. Position and exercise limits have been set at 50,000 contracts. Rigel Pharmaceuticals, Inc. (QRG/RIGL)(option/stock symbol: QRG) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 200,000 contracts. The Corporate Executive Board Company (EBU/EXBD)(option/stock symbol: EBU) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 50,000 contracts. Tri-Valley Corporation (option/stock symbol: TIV) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 50,000 contracts. Western Silver Corporation (option/stock symbol: WTZ) will trade on the March expiration cycle with initial expiration months of January, February, March and June. Position and exercise limits have been set at 50,000 contracts. The Philadelphia Stock Exchange was founded in 1790.
The PHLX trades 2,000 stocks, 1,926 equity options, 25 sectors index
options and currency options and futures. For more information about
the PHLX and its products, visit www.phlx.com. ### Back
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