News Release

CME Announces Memorial Day Trading Hours

Mon May 21 2007

CHICAGO, May 21 -- CME has announced the following trading schedule in conjunction with the Memorial Day holiday (all times are Central time):

  Friday, May 25    Unless noted below all products close at their
                    regular trading times on the exchange trading floor and
                    CME Globex®.

                    CME commodity futures, foreign exchange (FX), interest
                    rate, housing options, GSCI® and weather option
                    products traded on exchange trading floors close at
                    12:00 noon (commodity options close at 12:02 p.m.).

                    Interest rate (excluding Eurozone HICP) and FX products
                    traded on CME Globex during regular trading hours will
                    close at 3:15 p.m.  Commodities, weather, GSCI, GSCI
                    Excess Return, fertilizer and ethanol traded on CME
                    Globex will close at 12:00 noon.

  Sunday, May 27    CME Globex regular open for all products, for a trade
                    date of Tuesday, May 29, except for commodities,
                    weather, GSCI, GSCI Excess Return, fertilizer, ethanol,
                    TRAKRS and ETFs, which do not open for trading.

  Monday, May 28    Exchange trading floors closed in observance of
                    Memorial Day.  CME Globex trading continues
                    uninterrupted, except for equity index products, which
                    observe a 10:30 a.m. to 5:00 p.m. trading halt, and
                    interest rate, FX and housing products, which observe a
                    12:00 noon to 5:00 p.m. trading halt.  NYMEX/COMEX
                    products will observe a 4:15 p.m. to 5:00 p.m. trading

  Tuesday, May 29   Regular trading sessions for CME Globex and exchange
                    trading floors.  For more details, CME Regular Trading
                    Hours (RTH) and CME Globex holiday schedules can be
                    viewed at


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