Matthew Andresen
President
The Island ECN, Inc.
(Attendee: Chris Concannon)

David Battan
Vice President & General Counsel
Interactive Brokers LLC

George Crapple
Co-Chairman & Co-Chief Executive Officer
The Millburn Corporation

Daniel Cunningham
Partner
Allen & Overy

Yvonne Downs
Senior Vice President of Compliance
National Futures Association

Bryan Durkin
Senior Vice President & Administrator
Office of Investigations & Audits & Order Routing
Chicago Board of Trade

Robert Fitzsimmons
President & Chief Operating Officer
Nasdaq Liffe Markets

Jim Heinz
Managing Partner
Marquette Partners LP

Audrey Hirschfeld
Senior Vice President & General Counsel
New York Board of Trade
(Attendee: Patrick Gambaro)

Kent Horsager
President & Chief Executive Officer
Minneapolis Grain Exchange

Scott Johnston
Managing Director & Chief Information Officer
Chicago Mercantile Exchange

John McPartland, Jr.
Capital Markets Advisor to the
Federal Reserve Bank of Chicago and the
Center for Law and Financial Markets

Hank Mlynarski
President
BrokerTec Futures Exchange LLC
BrokerTec Clearing Company LLC

Brett Paulson
Senior Vice President & Chief Information Officer
Board of Trade Clearing Corporation

Robert Petersen
President & Chief Executive Officer
Kansas City Board of Trade

Kenneth Raisler
Partner
Sullivan & Cromwell

Edward Rosen
Partner
Cleary Gottlieb, Steen & Hamilton

Neal Wolkoff
Executive Vice President
New York Mercantile Exchange