UPDATE: CBOE Holdings, Inc. Board Increases Quarterly Dividend; Extends Share Repurchase Program

CBOE Holdings, Inc.

today announced that its Board of Directors approved a 25-percent increase to its quarterly cash dividend to $0.15 per share from $0.12 per share and authorized the company to repurchase an additional $100 million of its outstanding unrestricted common stock. The share repurchase authorization is in addition to any unused amount remaining under the existing $100 million share repurchase authorized in August 2011. As of July 31, 2012, there was approximately $3.3 million remaining under the prior authorization, and the company had approximately 87.3 million shares of unrestricted common stock outstanding. The dividend increase is effective with the third quarter dividend payable on September 21, 2012 to stockholders of record on August 31, 2012.