List of Participants for the CFTC’s Roundtable on Proposed Regulations Implementing Core Principle 9 for Designated Contract Markets

• Thomas Farley, President, ICE Futures U.S.
• Tom LaSala, Managing Director and Global Chief Regulatory Officer, CME Group
• Stephen Humenik, General Counsel and Chief Regulatory Officer, Eris Exchange
• David Downey, CEO, OneChicago
• Thomas Callahan, CEO, NYSE Liffe US
• Supurna VedBrat, Managing Director, Co-Head of e-trading and Market Structure, BlackRock
• Michael Cosgrove, Advisor, GFI Group
• Patrick Hamilton, Chief Operating Officer, ICAP Energy LLC and ICAP Corporates LLC
• Scott Mackle, Managing Director, Head of Power Trading, Constellation Energy

Last Updated: June 4, 2012