US

Fabricio Oliveira | Mirae Asset Global Investments | May 15, 2012
Syridon Mentzas | Mizuho Securities | February 27, 2012
Stephen McGoldrick | AFME Securities Trading Committee | February 27, 2012
Wendy Rudd | IIROC | February 27, 2012
Matteo Cassina | Citadel Execution Services | December 15, 2011
Daniel Ciment, Keidy Sakamoto | J.P. Morgan, Itaú BBA | December 15, 2011
Annie Walsh | CameronTec | December 15, 2011
Raymond Russell, Julian Ragless, Richard Leung | Corvil, Hong Kong Exchanges and Clearing, Ltd | December 15, 2011
Simo Puhakka, Harrell Smith | Pohjola Asset Management, Portware | December 15, 2011
Corwin Yu | PhaseCapital | December 15, 2011