Notice to Members
Notice No. 223
05/01/2006
Expansion of Trading Months for Natural Gas Calendar Spread Options
Please be advised that beginning Tuesday, May 2nd, 2006 the Exchange will list an additional expiration month on its Natural Gas Calendar Spread Option Contracts. Beginning that day, there will be an option on the October 2007/ January 2008 inter-month spread.

This will be in addition to the current listings of 24 consecutive options on one-month spreads. The Options on Spreads between the first and third nearby months, the first and fourth nearby months, and the second and fourth nearby months, as well as the spreads between first nearby June – first nearby December, first nearby December – first nearby June, the first nearby December – second nearby December, first nearby October – first nearby January, and first nearby April – second nearby October and first nearby October – second nearby April contracts will continue to be listed for Natural Gas Calendar Spread Options.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com