Effective Dates for Spot Month Position Limits in March 2015 Core Contracts

Dear Market Participant:          

As previously announced in Market Surveillance Notice MSN08-26-14, dated August 26, 2014, the Board of Trade of the City of Chicago, Inc. (“CBOT” or “Exchange”) will amend the spot month limits for its Long-Term U.S. Treasury Bond Futures (clearing code UBE), U.S. Treasury Bond Futures (clearing code 17) and Short-Term U.S. Treasury Note Futures (2-Year) (clearing code 26) beginning with the March 2015 contract in accordance with the table below.