Multicast Test for NYMEX Network Maintenance on Saturday, January 19, 2008

NYMEX issued the following notice to its Market Data Vendors on Tuesday, January 8, 2007:

NYMEX hasreserved Saturday, January 19, 2008, for required network maintenance. As a result of this maintenance, internal testing of Globex Market Data from the CME MDP will be necessary. However, there is no need for Market Data Vendors to interpret or analyze test data on this date, and it is asked that you please ignore any test data received over any of the ITC 2.1/RLC channels for NYMEX

or COMEX products on the CME MDP (channels 30, 31, 32, 35, 36, 37, 38, 39, 40, 41, 42, or 43).

Please Note:

• Testing will start at 9:00AM ET and continue until approximately 12:30PM ET.

• Test messages disseminated over CME MDP will include a trade date of 1/12.

• Test data will not be disseminated over the NYMEX ITC 2.1 Multicast feed.

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