FIX tag 55-Symbol Changes for Lumber Futures and Options - Effective Sunday, June 20, 2010

Effective Sunday, June 20 (trade date Monday, June 21), the FIX tag 55-Symbol values for Lumber futures, options and spreads will be changed as follows:

To facilitate these changes, customers are asked to cancel all Good 'Till Cancel (GTC) and Good 'Till Date (GTD) orders for Lumber instruments after their respective closes on Friday, June 18. After 16:00 CT on Friday, June 18, all remaining GTC and GTD orders for these products will be cancelled by the CME Globex Control Center (GCC).

These changes will be available for customer testing in New Release this Monday, June 14.