CLARIFICATION: Decommissioning of ClearPort TRADING System on August 31, 2009

With respect to Special Executive Report S-4967 released on Monday, August 17, please be advised that the August 31, 2009, decommissioning of CME ClearPort Trading, the central order book electronic trading platform, has NO impact on the continued operation of CME ClearPort Clearing which provides a comprehensive set of flexible solutions for mitigating counterparty risk in OTC trading.  CME ClearPort Clearing will continue to be available to registered participants, whose access will not be affected by the decommissioning of the CME ClearPort Trading system.

Should you have any questions, please contact ClearPort Market Operations at 800.438.8616 or 212.299.2670 or, Joe Raia in the Products & Services Department at 212.299.2374.