Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change Delaying the Operative Date of A Rule Change to NYSE Rule 80B, Which Provides for Methodology for Determining When to Halt Trading in All Stocks Due to Extraordinary Market Volatility, From the Date of February 4, 2013, Until April 8, 2013

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

Last Reviewed or Updated: Jan. 31, 2013