Near Real-Time OneChicago Trade Feed Available At Options Clearing Corporation

OneChicago is pleased to announce that beginning Thursday, October 30, 2008, the Exchange will make available via the Options Clearing Corporation a near real time feed of OneChicago trades for OCC clearing member firms. Clearing Members who subscribe to real-time Data Distribution Services (”DDS”) at OCC can expect to receive OneChicago trades messages as they are processed by OCC. OneChicago firms clearing through OCC should coordinate with their OCC representatives.