New Intraday Durations for Certain Event contracts

Pursuant to Section 5c(c)(1) of the Commodity Exchange Act and Commission Regulation §40.6(a), and with an effective date no sooner than Wednesday, July 23, 2008, intent to list the Intraday durations for the following seven (7) Event contracts:

RULE 12.20 CRUDE OIL Event contracts

RULE 12.21 CURRENCY EXCHANGE EUR/USD Event contracts

RULE 12.22 CURRENCY EXCHANGE GBP/USD Event contracts

RULE 12.23 CURRENCY EXCHANGE USD/YEN Event contracts

RULE 12.24 CURRENCY EXCHANGE USD/CHF Event contracts

RULE 12.27 GOLD Event contracts

RULE 12.31 SILVER Event contracts

Click here to view the rule amendments.