OneChicago Announces Trading Volumes For May 2012 - Block Volume At The Exchange In May 2012 Was Up 32% Year-Over-Year, Compared To May 2011 - Security Futures Volume At The Exchange In May 2012 Was Up 13%, Compared To April 2012

OneChicago, LLC (OCX), an equity finance exchange, today announced that a total of 259,382 security futures contracts were traded in the month of May 2012.

May 2012 highlights include:

• 248,148 Exchange Futures for Physicals (EFPs) and blocks were traded. May 2012 EFPs and blocks activity represented more than $1.2 billion in notional value.
• 40% of May 2012 month-end open interest was in OCX.NoDivRisk™ products. The OCX.NoDivRisk product suite is an innovative equity finance tool, which removes dividend risk from the security futures.
• 67,566 of May 2012 futures valued at more than $341 million were taken to delivery, emphasizing the use of single stock futures as an equity finance product.
• Open interest stood at 407,067 contracts on the equity finance exchange at the end of May 2012.