| BEST | BEAR, STEARNS & CO. INC. |
| BMIC | BILTMORE INTERNATIONAL CORPORATION |
| DATA | Track - ECN (DATA) |
| DOMS | DOMESTIC SECURITIES, INC. |
| ETRD | E*TRADE CAPITAL MARKETS LLC |
| FLCR | FULCRUM GLOBAL PARTNERS LLC |
| HDSN | HUDSON SECURITIES,INC. |
| HILL | HILL THOMPSON MAGID & CO., INC. |
| INTL | INTL TRADING, INC. |
| JEFF | JEFFERIES & COMPANY, INC. |
| MAXM | MAXIM GROUP LLC |
| NITE | KNIGHT EQUITY MARKETS, L.P. |
| PERT | PERSHING ADVISOR SOLUTIONS LLC |
| SACM | STERNE AGEE CAPITAL MARKETS, INC. |
| SBSH | CITIGROUP GLOBAL MARKETS INC. |
| SCHB | UBS CAPITAL MARKETS L.P. |
| SUSQ | SUSQUEHANNA CAPITAL GROUP |
| TASL | Tradition Asiel Securities Inc. (TASL) |
| TDCM | TD WATERHOUSE CAPITAL MARKETS, INC. |
| TRAC | Track ECN |
| UBSS | UBS Securities LLC (UBSS) |
| VERT | THE VERTICAL GROUP, INC. |
| VFIN | VFINANCE INVESTMENTS, INC |