(The following is a reformatted version of a press release
issued by the Chicago Board Options Exchange and received via
electronic mail. The release was confirmed by the sender.) 
CBOE Plans to Open Trading in SPX, SPXpm and SPX Weeklys at
11:50 a.m. CT 
Chicago, IL - April 25, 2013 - Chicago Board Options Exchange
(CBOE) reports that it plans to open trading at 11:50 a.m. today
for three products - SPX, SPXpm and SPX Weeklys. CBOE will
report when other products are scheduled to open when that
information becomes available. 
In addition, today’s delay was the not the result of hacking. 
CBOE Futures Exchange, C2 Options Exchange and CBOE Stock
Exchange are operational. 
About CBOE:
CBOE, the largest U.S. options exchange and creator of listed
options, continues to set the bar for options and volatility
trading through product innovation, trading technology and
investor education. CBOE offers equity, index and ETF options,
including proprietary products, such as S&P 500 options (SPX),
the most active U.S. index option, and options and futures on
the CBOE Volatility Index (the VIX Index). Other products
engineered by CBOE include equity options, security index
options, LEAPS options, FLEX options, and benchmark products
such as the CBOE S&P 500 BuyWrite Index (BXM). CBOE is home to
the world-renowned Options Institute and www.cboe.com, the go-to
place for options and volatility trading resources. CBOE is
regulated by the Securities and Exchange Commission (SEC), with
all trades cleared by the OCC. 
Media Contacts:                           Analyst Contact:
Gail Osten          Gary Compton            Debbie Koopman
(312) 786-7123          (312) 786-7612            (312) 786-7136
osten@cboe.com          comptong@cboe.com       koopman@cboe.com 
CBOE®, Chicago Board Options Exchange®, Flexible Exchange®,
FLEX®, LEAPS®, CBOE Volatility Index® and VIX® are registered
trademarks, and BuyWriteSM, BXMSM, COPSSM, SPXSM, and The
Options Institute are service marks of Chicago Board Options
Exchange, Incorporated (CBOE).  Standard & Poor’s®, S&P® and S&P
500® are registered trademarks of Standard & Poor’s Financial
Services, LLC and have been licensed for use by CBOE.  All other
trademarks and service marks are the property of their
respective owners. 
(bjh) NY 
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