GLOBEX Advisory Notices
To CME(R) Globex(R) Customers
From CME(R) Globex(R) Account Management
Subject Extended Hours for CME(R) American-Style Options on the CME(R) Globex(R) Platform
Notice Date 2005-05-05
Notice Number 050505-1
Effective Date 2005-05-05

Dear CME® Globex® Customers,

Effective Monday, May 16, 2005, at the request of CME customers, the closing time for CME Foreign Exchange (FX) American-style options traded on the CME Globex electronic trading platform will be extended from 7:05 a.m. to 7:15 a.m. Central time (CT).

The new trading hours for CME FX American-style options on the CME Globex platform will be Sunday through Thursday, 5:00 p.m. to 7:15 a.m. CT the next day; and 2:00 p.m. to 4:00 p.m. CT. On Fridays, CME Globex trading closes at 4:00 p.m. CT and reopens Sundays at 5:00 p.m. CT. On holidays, when the trading floor is closed, CME Globex trading will be until 12:00 p.m. CT. Floor trading hours are unaffected and will continue to be from 7:20 a.m. to 2:00 p.m. CT.

CME FX American-style options currently listed on CME Globex include:

Australian dollar Euro FX/Japanese yen
Brazilian real Euro FX/Polish zloty
British pound Euro FX /Swiss franc
Canadian dollar Hungarian forint
CME$INDEX Japanese yen
Czech koruna Mexican peso
Euro FX New Zealand dollar
Euro FX/British pound Polish zloty
Euro FX/Czech koruna Russian ruble
Euro FX/Hungarian forint Swiss franc

If you have any questions, please contact Scott Brusso, Director, CME Foreign Exchange, at 312.930.3133; or Lori Aldinger, Senior Market Analyst, Financial Product Development, at 312.930.2337.

Thank you,

CME
800.331.3332