Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change Amending NYSE Rules 15 and 123C Regarding the Operation of Its NYSE Order Imbalance Information Service To Modify the Reference Price at Which the Exchange Reports the Order Imbalance Information and Clarify What Information Is Included and Excluded From the Order Imbalance Information Reports

National Securities Exchanges, New York Stock Exchange LLC (NYSE)

Last Reviewed or Updated: April 23, 2009