THE PHILADELPHIA STOCK EXCHANGE ANNOUNCES
APRIL VOLUME, MAY 6

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

PHILADELPHIA – May 6, 2008 - The Philadelphia Stock Exchange (PHLX) announced today that 41,422,367 equity option contracts traded in April, an increase of 60.40%, compared to the same year-ago period when 25,824,063 contracts traded. Equity option volume in April rose 6.82% compared to last month when 38,778,747 contracts traded.

Market share for equity options in April was 15.91%. The average daily volume for equity options was 1,882,835 contracts.

Volume on the six World Currency Options (WCOs) rose 1,052.66% in April when 299,108 contracts traded compared to 25,949 contracts traded during the same year-ago period. Volume decreased 42.59% compared to the previous month when 520,993 contracts traded.
Index options volume for April decreased 13.34% when 414,427 contracts traded compared to the same year-ago period when 478,249 contracts traded. Volume in index options in April increased 8.59% compared to the previous month when 381,654 contracts traded.

Equity volume for April increased 31.99% when 149,317,754 shares traded compared to the same year-ago period when 113,127,019 shares traded. Equity volume for April rose 2.91% compared to the previous month when 145,089,403 shares traded.

PHLX currently lists options on 16 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 ); and the SIG Oil & Exploration Index (EPX^SM)

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades more than 7,000 stocks, 2,639 equity options, 16 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.

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