CBOE Holdings: Margaret Williams Promoted To New Role Of Deputy Chief Regulatory Officer

CBOE Holdings, Inc. (NASDAQ: CBOE) today announced that Margaret Williams has been promoted to the new role of Deputy Chief Regulatory Officer of the Chicago Board Options Exchange (CBOE). Williams will perform this role for CBOE, C2 Options Exchange (C2) and CBOE Stock Exchange (CBSX).

Williams, a 26-year veteran and Vice President of CBOE's Regulatory Services Division, will continue to report to Timothy Thompson, Chief Regulatory Officer and Senior Vice President, Regulatory Services Division.

In this new position, Williams will help to set the strategy for the exchanges' key regulatory areas and will serve as a regulatory liaison to the Securities and Exchange Commission (SEC). Among her responsibilities in this new role, she will oversee training of exchange regulatory staff, establish and monitor internal controls for the Regulatory Services Division, ensure that rule filings and policy changes are fully integrated into exchange regulatory and business systems, and manage development requirements for exchange surveillance systems.

"The creation of this new senior position reflects our company's ongoing commitment to strengthen our regulatory management team," CBOE Chairman and CEO William J. Brodsky said. "Margaret's promotion to Deputy Chief Regulatory Officer recognizes her leadership ability and results-oriented focus. With over 25 years in CBOE's regulatory area, Margaret brings both historical insight and extensive practical experience to this important new role."

Williams joined CBOE in 1986 and has held regulatory positions with increasing management responsibility, including Vice President of CBOE's Regulatory Services Division and Department Head of Market Regulation. Among her professional affiliations, she has served as CBOE's representative on the Intermarket Surveillance Group, which promotes effective regulatory coordination, surveillance and information sharing among exchanges internationally, and on the Self-Regulatory Organization Enforcement Roundtable, which promoted examination and enforcement consistency by participating exchanges.

Prior to joining CBOE, Williams worked from 1983 to 1986 in the research department and as a Series 3- and Series 7-licensed representative for Refco and for Refco's affiliated securities broker-dealer.

Williams holds a B.A. degree in International Economics from the University of Illinois at Urbana-Champaign.