The NYMEX CL B/C Index is based on NYMEX light sweet crude oil futures contracts. The index has a starting value of $ 100. At the close of trading on the first business day of each month, the Index is adjusted by adding to it the first nearby contract settlement price minus the seventh nearby contract settlement price, divided by six.

The NYMEX Crude Oil MACI futures contract will be based on the NYMEX MACI for Crude Oil™ Index. On the first day of trading the index equals the average of the 2nd through 7th month forward NYMEX Crude Oil Futures contracts’ settlement prices plus $ 100. The index will adjust at the close of business the first business day of each calendar month thereafter as follows: subtract the first nearby NYMEX Crude Oil Futures contract settlement price (divided by 6), add the seventh nearby NYMEX Crude Oil Futures contract price (divided by 6), and add the value of the change in the NYMEX CL Backwardation/Contango (B/C) Index.

For the NYMEX Crude Oil Backwardation-Contango Index futures contract, one initial month will be listed for December 2010 expiration. Beginning in 2009, each January the Exchange intends to list an additional contract month for the subsequent December month termination such that on the second business day of January 2010 there will be three total contracts for expirations in December 2010, 2011, and 2012.

For the NYMEX Crude Oil MACI futures contract, one initial month will be listed for January 2011 expiration. Each subsequent January the Exchange intends to list an additional contract month for the subsequent January month termination such that on the second business day of January 2010 there will be three total contracts for expirations for January 2011, 2012, and 2013.

Final settlement will be on the first business day of December for the NYMEX Crude Oil Backwardation-Contango Index futures contract, and on the first business day of January for the NYMEX Crude Oil MACI futures contract. Trading on the expiring contract will end as of the close of NYMEX regular trading hours on the day of final settlement.

ClearPort® Clearing and CME Globex®:

From 6:00 PM Sundays through 5:15 PM Fridays, Eastern Time, with a 45-minute break each day between 5:15 PM and 6:00 PM.

NYMEX Trading Floor:

Regular Trading Hours, currently 9:00 AM to 2:30 PM

Product	NYMEX Symbol	Globex Symbol
MACI	XC	XCN
Backwardation Contango Index	XK	XKN

	XC	XK
Members	$ 0.55	$ 0.40
Blended	$ 0.88	$ 0.45
Non-Member	$ 1.20	$ 0.50