CBOE ANNOUNCES EXCHANGE CLOSURES FOR MONDAY, OCTOBER 29

CBOE HOLDINGS ANNOUNCES EXCHANGE CLOSURES FOR MONDAY, OCTOBER 29

Chicago, IL – October 28, 2012 – CBOE Holdings, Inc. (Nasdaq: CBOE) announced this evening that due to Hurricane Sandy, trading will be closed on Monday, October 29 for the Chicago  Board Options Exchange (CBOE), CBOE Futures Exchange (CFE), C2 Options Exchange (C2) and CBOE Stock Exchange (CBSX).

If closures are determined for additional days, CBOE Holdings will make a further announcement.

Marty Kearney