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Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend EDGX Rules 1.5, 11.5, 11.8, 11.9 and 11.14 in Connection With the Implementation of the National Market System Plan To Address Extraordinary Market Volatility

National Securities Exchanges, EDGX Exchange (EDGX)

Last Reviewed or Updated: Feb. 27, 2013