On trade date October 1, 2007, CME Group will launch futures on the Lehman Brothers US Aggregate Index. This contract will be listed on the Chicago Mercantile Exchange (CME) and will be traded electronically on CME Globex^®. 

Under the CME Group Extended Access Program, CBOT Members in the B-1 (Full), B-2 (Associate), B-4 (IDEM) and B-5 (COM) categories will be granted membership status with respect to CME Lehman Brothers US Aggregate Index futures. In addition, CBOT B-3 (GIM) Members will be granted membership status with respect to this contract on a temporary basis, for the period ending December 31, 2009. 

For further information on this new contract, please visit www.cme.com/lehman or contact Jonathan Kronstein, Products and Services Division, (telephone 312.435.7162).