CBOE Experiences Busiest Trading Day In Its History; Volume Of 6.8 Million Contracts Shatters Previous Record - New Record Set In Nasdaq-100 Index Tracking Stock Options (QQQQ), CBOE Volatility Index (VIX) Jumps 64% On Market Decline

The Chicago Board Options Exchange (CBOE) announced that it experienced the busiest trading day in its history on Tuesday, February 27, 2007 as a reported 6,798,076 contracts traded. This was the first time that CBOE's total single-day volume exceeded the six million contracts traded mark and easily surpassed the previous record of 5,816,336 contracts from May 19, 2006.

Trading in the Nasdaq-100 Index Tracking Stock (QQQQ) options also set a new record on Tuesday, February 27, 2007 as reported volume in QQQQ options at CBOE today was 1,034,995 contracts, shattering the previous record of 486,515 contracts traded on April 6, 2004.

Volume in options on the CBOE Volatility Index (VIX) was especially heavy today, with a reported 120,100 contracts trading, compared to the average daily volume in January of 31,241 contracts, but less than the record of 162,856 contracts traded on August 14, 2006. VIX closed today at 18.31, up 64% from yesterday's close of 11.15.

The CBOE Volatility Index has been hailed as a revolutionary instrument ever since its introduction in 1993. For more than a decade, VIX has been the preeminent barometer of market volatility and investor sentiment. Derived from real-time S&P 500 Index option prices, VIX is designed to reflect investors' consensus view of expected near-term stock market volatility over the next 30 days. VIX is closely followed and highly publicized and is referred to as the market's "fear gauge." More information on the CBOE Volatility Index may be found at: www.cboe.com/VIX.

CBOE, the largest options marketplace in the U.S. and the creator of listed options, is regulated by the Securities and Exchange Commission (SEC). For additional information about the CBOE and its products, visit the CBOE website at: http://www.cboe.com/.