THE PHILADELPHIA STOCK EXCHANGE ANNOUNCES
AUGUST VOLUME
“PHLX sees major gains in equity, equity options and currency markets”

PHILADELPHIA – September 6, 2007 - The Philadelphia Stock Exchange (PHLX) announced today that equity option volume in August jumped 83.17% when 37,282,364 contracts traded compared to the same year-ago period when 20,354,679 contracts traded. Equity option volume in August was down 8.89% compared to the previous month when 40,921,003 contracts traded.

Average daily volume in August for equity options reached 1,621,059 contracts.

PHLX market share in August was 14.26%. Market share without ex-dividend volume was 14.01 % when 36,628,220 contracts traded.

Equity volume for August skyrocketed 338.32% when 190,449,326 shares traded compared to the same year-ago period when 43,449,753 shares traded. Equity volume for August increased 51.29% compared the previous month when 125, 884,015shares traded.

Volume on the six newly traded World Currency Options (WCOs) rose 236.34% in August when 158,576 contracts traded compared to 47,148 contracts traded during the previous month.

WCOs ended August with an open interest of 181,579 contracts. WCOs reached a record volume on August 29 when 36,686 contracts traded.

Trading volume in the customized and standardized currency options for August totaled 5,499 contracts, a decrease of 48.21% compared to the previous month when 10,617 contracts traded.

Volume in August decreased 50.49% compared to the same year-ago period when 11,107 contracts traded.

Sectors index options volume for August increased 6.63% when 702,976 contracts traded compared to the previous month when 659,268 contracts traded. Volume in sectors index options in August rose 37.36% compared to same year-ago period when 511,765 contracts traded

PHLX currently lists options on 19 sectors, among them are: KBW Bank Index (BKX^SM); KBW Mortgage Finance Index (MFX^SM); KBW Regional Banking Index (KRX^SM); PHLX Drug Sector^SM (RXS^SM); PHLX Gold/Silver Sector^SM (XAU^SM); PHLX Oil Service Sector^SM (OSX^SM); PHLX Defense Sector^SM (DFX^SM); TheStreet.com Internet Sector (DOT^SM); PHLX Semiconductor Sector^SM (SOX^SM); PHLX Utility Sector^SM (UTY^SM); PHLX Housing Sector^SM (HGX^SM); SIG Coal Producers Index™ (SCP^SM); SIG Oil & Exploration Index™ (EPX^SM); and the SIG Steel Producers Index™ (STQ^SM); and Hapoalim American Israeli Index™ (HAI).

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades more than 7,000 stocks, 2,520 equity options, 19 sectors index options, options on all major currencies, and futures through its subsidiary, The Philadelphia Board of Trade (PBOT). For more information about the PHLX and its products, visit www.phlx.com.

SIG Investment Managers Index™ is a trademark of Susquehanna Indices, LLP.
SMQ^SM is a service mark of the Philadelphia Stock Exchange.

The PHLX trades iShares FTSE/Xinhua China 25 Index Fund (FXI^SM). This is the first time investors in the United States and abroad are 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.

SIG Casino Gaming Index™, SIG Semiconductor Capital Equipment Index™ and SIG Semiconductor Device™ Index are trademarks of SIG Indices, LLLP. SGV^SM, SEZ^SM and SDL^SM are service marks of the Philadelphia Stock Exchange, Inc.