Effective Sunday, May 15, 2005 (for trade date May 16, 2005), CME Globex Trading Hours for American-style FX Options will be extended by 10 minutes, from the existing closing time of 7:05 a.m. Central Time to a new closing time of 7:15 a.m. Central Time.  We are making this change as a result of requests from our customers.  The new trading hours for American-style FX options traded on CME Globex will be Monday to Thursday from 5:00 p.m. to 7:15 a.m. and 2:00 p.m. to 4:00 p.m.  Sundays and holidays trading will be from 5:00 p.m. to 7:15 a.m.  Floor trading hours are unaffected and will continue to be from 7:20 a.m. to 2:00 p.m.

American-style options currently trading on CME Globex include the attached.