The expiration date for the November 2009 option contracts for the Heating Oil Calendar Spread Option (F), PJM Monthly-Calendar LMP Swap Option (JO), ISO New England Calendar-Month LMP Swap Option (OE), AEP-Dayton Calendar-Month LMP Swap Option (OT), Northern Illinois Calendar-Month LMP Swap Option (OU), Cinergy Calendar-Month LMP Swap Option (OY), RBOB Calendar Spread Option (Z) are Thursday, October 29, 2009.
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