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The Philadelphia Stock Exchange Announces August Volume - “PHLX Continues As The Third Largest U.S. Marketplace For Options”

Date 06/09/2006

PHILADELPHIA- Sept. 6, 2006 - The Philadelphia Stock Exchange announced today that equity option volume in August increased 70.79% when 20,354,679 contracts traded compared to the same year-ago period when 11,917,768 contracts traded. Equity option volume in August increased 8.21% compared to the previous month when 18,810,223 contracts traded.

The Exchange garnered 13.99 % equity options market share in August making it the third largest market center in the U.S. for options for the tenth month in a row. PHLX market share without ex-dividend volume was 13.12%.

Sectors index options volume in August increased 1.96% when 511,765 contracts traded compared to the same year-ago period when 501,925 contracts traded. Volume in sectors index options in August decreased 13.38% compared to the previous month when 590,822 contracts traded
Trading volume in the customized and standardized currency options for August totaled 11,107 contracts, a decrease of 1.17% compared to the same year-ago period when 11,238 contracts traded. Volume in August decreased 2.01% compared to the previous month when 11,335 contracts traded.

Equity volume for August decreased 62.45% when 43,449,753 shares traded compared the same year-ago period when 115,705,116 shares traded. Equity volume for August decreased 28.55% compared to the previous month when 60,809,342 shares traded.

PHLX currently lists options on 19 sectors, among them are: PHLX/KBW Bank Index (BKXSM); KBW Insurance Index (KIXSM); KBW Capital Markets Index (KSXSM); KBW Mortgage Finance Index (MFXSM); KBW Regional Banking Index (KRXSM); PHLX Drug SectorSM(RXSSM); PHLX Gold/Silver SectorSM (XAUSM); PHLX Oil Service SectorSM(OSXSM); PHLX Defense SectorSM (DFXSM); TheStreet.com Internet Sector (DOTSM); PHLX Semiconductor SectorSM (SOXSM); PHLX Utility SectorSM (UTYSM); PHLX Housing SectorSM (HGXSM); PHLX World Energy IndexSM (XWESM); SIG Cable, Media & Entertainment IndexTM (SCQ SM); SIG Coal Producers IndexTM (SCPSM); SIG Oil & Exploration IndexTM (EPXSM); SIG Semiconductor Device IndexTM (SDLSM); the SIG Steel Producers IndexTM (STQSM).

The PHLX now trades iShares FTSE/Xinhua China 25 Index Fund (FXISM). This is the first time investors in the United States and abroad will be able to track the performance of the largest and most widely traded Chinese stocks by mirroring the FTSE/Xinhua China 25 Index, which captures the top Chinese stocks available to international investors by total market capitalization.
The Philadelphia Stock Exchange was founded in 1790. The PHLX trades 1,943 stocks, 2,231 equity options, 19 sectors index options, and currency options and futures. For more information about the PHLX and its products, visit www.phlx.com.

SIG Investment Managers Index™ is a trademark of Susquehanna Indices, LLP.
SMQSM is a service mark of the Philadelphia Stock Exchange.
SIG Cable, Media and Entertainment Index™ is a trademark of Susquehanna Indices, LLP.
SCQSM is a service mark of the Philadelphia Stock Exchange.

SIG Casino Gaming IndexTM SIG Semiconductor Capital Equipment IndexTM and SIG Semiconductor DeviceTM Index are trademarks of SIG Indices, LLLP. SGVSM , SEZSM and SDLSMare service marks of the Philadelphia Stock Exchange, Inc.