Chicago Board Options Exchange (CBOE) set several volume records in 2007 as more investors explored risk management and yield enhancement strategies. Here are some reasons to Choose CBOE.

Among U.S. securities exchanges, CBOE is:
#1 in Options Volume Since CBOE founded the listed options business in 1973, it has been the leader in options volume every single year. In 2007, CBOE options contract volume was an all-time record of 944,471,924 contracts (up 40% over the previous year).
#1 in Notional Value of Volume It is estimated that CBOE traded more than $24 trillion in notional value of listed options in 2007. Notional value of volume is an important concept for institutional investors with large investment portfolios to manage.
#1 in Index Options Volume In 2007 average daily volume in CBOE options on indexes and ETFs was 1,766,921 contracts—a 56% increase over 2006.
#1 in Index Options Product Line CBOE now offers more than 90 different index options contracts (including options on index ETFs and on cash-settled indexes).
#1 in S&P Options Volume Since its introduction of S&P Index Options in 1983, CBOE's total volume in S&P options is more than 1.7 billion. In 2007, average daily volume for CBOE's S&P 500® options was a record 629,819 contacts (or about $90 billion in notional value per day).

Here are some more reasons to Choose CBOE:
	Award-winning Website	The website CBOE.com has been named Forbes "Best of the Web" for 5 years running.
	Exchange of the Year Award, North America	The Chicago Board Options Exchange is named Exchange of the Year, North America for excellence and innovation by Structured Products magazine.
	Leader in Index Innovation	CBOE products on the CBOE S&P 500 BuyWrite Index (BXM), CBOE Volatility Index (VIX), and CBOE S&P 500 PutWrite Index (PUT) won "Most Innovative" awards at the Super Bowl of Indexing Conferences in 2004, 2006, and 2007.
	Leader in Options Education	The Options Institute at CBOE is recognized as the worldwide leader in options education.
	Leading Forum for Institutional Investors	CBOE is the only exchange to have hosted all years of the annual Risk Management Conference since the launch of the conference in 1985.
	Best of Both Worlds	By blending CBOE's leading trading floor technology with its state-of-the-art electronic trading platform, CBOE Hybrid is a composite of the most valuable aspects of screen-based and floor-based trading environments. www.cboe.org/hybrid

More Interest in Options Benchmark Indexes. A case study by Ibbotson Associates noted that the CBOE S&P 500 BuyWrite Index (BXM) has had less volatility (in terms of standard deviation of returns) than other key indexes. In the past four years, investors have allocated more than $35 billion in assets to new buy-write products. Visit www.cboe.com/buywrite for more details.

      Visit "CBOE History" for additional CBOE historical achievements.