Market  Data Advisory Notices
To Market Data Distributors
From Market Data Operations
Subject New NYMEX Physically Delivered WTI – Brent Crude Oil Spread on CME Globex® -- Effective Sunday, September 24, 2006
Notice Date 2006-09-20
Notice Number Q2006-159
Effective Date 2006-09-24

Effective Sunday, September 24, 2006 (trade date Monday, September 24, 2006), NYMEX will offer a spread between its physically delivered light sweet crude oil and Brent crude oil futures contracts on CME Globex.  This new spread (commodity code CL:BB), will replace the spread between the financially settled crude oil futures and Brent crude oil futures (WS:BB), which will be de-listed from CME Globex at the close of business on Friday, September 22, 2006.

If you have any questions regarding this notice, please contact:

Marilee Radecki                                312.930.8193                        mradecki@cme.com

Kevin Brady                                      312.648.3653                        kbrady@cme.com

Thank you.