THE PHILADELPHIA STOCK EXCHANGE TO BEGIN TRADING 13 NEW OPTIONS ON TUESDAY, NOVEMBER 22

For more information, contact Barbara Sorid at 215-496-5200 or by e-mail

PHILADELPHIA — November 21, 2005 -The Philadelphia Stock Exchange (PHLX) announced today that it will begin trading 13 new options beginning Tuesday, November 22.

Artesyn Technologies, Inc. (UAT/ATSN)(option/stock symbol: UAT) will trade on the February expiration cycle with initial expiration months of December, January, February and May. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Group One Ltd.

BioLase Technology, Inc. (BQF/BLTI)(option/stock symbol: BQF) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Group One Ltd.

Ctrip.com International, Inc. (QCT/CTRP)(option/stock symbol: QCT) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 25,000 contracts. The option was allocated to Market Street Securities.

Cutera, Inc. (QCV/CUTR)(option/stock symbol: QCV) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Group One Ltd.

Dendrite International, Inc. (DEQ/DRTE)(option/stock symbol: DEQ) will trade on the February expiration cycle with initial expiration months of December, January, February and May. Position and exercise limits have been set at 50,000 contracts. The option was allocated to Group One Ltd.

Diageo PLC (option/stock symbol: DEO) will trade on the January expiration cycle with initial expiration months of December, January, April and July. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Market Street Securities.

Distributed Energy Systems Corporation (DVU/DESC)(option/stock symbol: DVU) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Market Street Securities.

Eagle Materials, Inc. (option/stock symbol: EXP) will trade on the January expiration cycle with initial expiration months of December, January, April and July. Position and exercise limits have been set at 25,000 contracts. The option was allocated to Market Street Securities.

Ev3, Inc. (QEU/EVVV)(option/stock symbol: QEU) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 50,000 contracts. The option was allocated to Group One Ltd.

Goodrich Petroleum Corporation (option/stock symbol: GDP) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 50,000 contracts. The option was allocated to Market Street Securities.

HouseValues, Inc. (UZZ/SOLD)(option/stock symbol: UZZ) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 50,000 contracts. The option was allocated to Group One Ltd.

ImmunuGen, Inc. (GMU/IMGN)(option/stock symbol: GMU) will trade on the January expiration cycle with initial expiration months of December, January, April and July. Position and exercise limits have been set at 50,000 contracts. The option was allocated to Group One Ltd.

NovaGold Resources, Inc. (option/stock symbol: NG) will trade on the March expiration cycle with initial expiration months of December, January, March and June. Position and exercise limits have been set at 75,000 contracts. The option was allocated to Citadel Derivatives Trading Group LLC.

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades 1,976 stocks, 1,823 equity options, 26 sectors index options and currency options and futures. For more information about the PHLX and its products, visit www.phlx.com.

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