Andrew Brenner, MGE Advisors, New York; Ed Provost, CBOE, Chicago; Ed OMalley, PDQ ATS, Glenview.
Nadine Murray; Kenneth Bellavia, both CBOE; Margaret Wiermanski, OptionCity; Mike Benson, Blue Water Advisors, all Chicago.
Todd Wilemon, San Francisco; Brandy Patterson, Chicago, both NYSE Euronext; Dan Romanelli, NYSE Technologies, Chicago; Rich Daniels, New York; Barry Scadden, Chicago, both NYSE Euronext.
John Auty, Vandham Securities Group, Woodcliff Lake; Fred Ingles, Citadel; Bill Lillwitz, Chicago River Capital, both Chicago.
Caroline Frensko, Cheevers; James Bohrer, Lightspeed Financial; Eric White; Cameron Smith, both Cheevers, all Chicago.
Mary Quintilian; Arianne Criqui, both Goldman Sachs, New York; Scott McGarvey, Tudor Pickering Holt and Co., Houston.
Bob Rickmers; Tom Matchett, both New York; Jim Boyle, Chicago, all UBS; Allison Jacobs, Citi, New York.
Randy Mrozek, Raymond James, Chicago; Darleen McAllister, Rodman & Renshaw, New York; John Tiahnybik, Goldman Sachs, New York.
Pearl Manieri; Kyle Goad, both TradeMONSTER, Chicago.
Luis Fontanez, M. Ramsey King, Burr Ridge; Mike Hahn, Thomson Reuters; Neil Wheatley, Exegy, both Chicago.
Jim Boyle, UBS; Sheridan Shafer, guest; Peter Wind, PCW Capital, all Chicago.