| 1 | ALTRINSIC GLOBAL ADVISORS LLC |
| 2 | AQR CAPITAL MANAGEMENT, LLC |
| 3 | AXA INVESTMENT MANAGERS N.A. INC. |
| 4 | AXIOM INTERNATIONAL INVESTORS LLC |
| 5 | BCP SECURITIES LLC |
| 6 | BOLTON LLC |
| 7 | BYRAM CAPITAL MANAGEMENT LLC |
| 8 | CARDINAL CAPITAL MANAGEMENT LLC |
| 9 | DOCK STREET ASSET MANAGEMENT |
| 10 | FORUM SECURITIES LTD. |
| 11 | GENERAL ATLANTIC SERVICE CO LLC |
| 12 | GRAMERCY FUNDS MANAGEMENT LLC |
| 13 | GREENWICH INVESTMENT MANAGEMENT INC. |
| 14 | INTERACTIVE BROKERS LLC |
| 15 | INVEX INC. |
| 16 | MARSHALL WACE NORTH AMERICA L.P. |
| 17 | MARSHALL WACE NORTH AMERICA, L.P. |
| 18 | NORTHCOAST ASSET MANAGEMENT LLC |
| 19 | PACIFIC EQUITY RESEARCH INC. |
| 20 | PALOMA SECURITIES L.L.C. |
| 21 | PUTNAM TRUST CO. |
| 22 | RBS SECURITIES INC. |
| 23 | ROPART INVESTMENTS LLC |
| 24 | SKY HARBOR CAPITAL MANAGEMENT LLC |
| 25 | STARWOOD CAPITAL GROUP MANAGEMENT LLC |