Notice Rule

Notice of Filing and Immediate Effectiveness of Proposed Rule Change and Amendments No. 1 and 2 Thereto To Change the Names of the Pacific Exchange, Inc., PCX Equities, Inc., PCX Holdings, Inc., and the Archipelago Exchange, L.L.C.

National Securities Exchanges, NYSE Arca (NYSEARCA)

Last Reviewed or Updated: April 7, 2006