| A.G.P. / ALLIANCE GLOBAL PARTNERS |
ALNC |
| B. Riley Securities, Inc. |
RILY |
| BARCLAYS CAPITAL INC. |
LEHM |
| BERNSTEIN, SANFORD C & CO., LLC |
BERN |
| BMO CAPITAL MARKETS |
BMOC |
| BofA Securities, Inc. |
MLCO |
| BTIG, LLC |
BTIG |
| C. L. KING & ASSOCIATES, INC. |
KING |
| CANACCORD GENUITY INC. |
ADAM |
| Canaccord Genuity Inc. |
CSTI |
| CANTOR, FITZGERALD & CO. |
CANT |
| CITADEL SECURITIES, LLC |
CDRG |
| CITIGROUP GLOBAL MARKETS INC. |
SBSH |
| DAIWA CAPITAL MARKETS AMERICA INC. |
DAWA |
| DAVIDSON (D.A.) & CO. INC. |
DADA |
| DOWLING & PARTNERS SECURITIES, LLC |
DOWL |
| Edward Jones |
EDJO |
| G1 Execution Services |
ETMM |
| GOLDMAN SACHS AND COMPANY |
GSCO |
| GUGGENHEIM SECURITIES, LLC |
GUGS |
| HRT Financial LP |
HRTF |
| Interactive Brokers Corp |
IBCO |
| J.P. MORGAN SECURITIES LLC |
JPMS |
| JANE STREET CAPITAL, LLC |
JNST |
| Jane Street Capital, LLC |
JSCA |
| Jefferies LLC |
JEFF |
| KEEFE BRUYETTE & WOODS, INC. |
KBWI |
| KEYBANC CAPITAL MARKETS INC. |
KEYB |
| LEERINK Partners LLC |
LEER |
| MACQUARIE CAPITAL (USA) INC. |
MACQ |
| MAXIM GROUP LLC |
MAXM |
| MIZUHO SECURITIES USA INC. |
MZHO |
| MORGAN STANLEY & CO. LLC |
MSCO |
| Muriel Siebert & Co., Inc. |
STXG |
| NATIONAL FINANCIAL SERVICES LLC |
NFSC |
| OPPENHEIMER & CO. INC. |
OPCO |
| PAULSON INVESTMENT CO., INC. |
PAUL |
| PIPER JAFFRAY & CO. |
PIPR |
| RAYMOND JAMES & ASSOCIATES, INC. |
RAJA |
| RBC CAPITAL MARKETS, LLC |
RBCM |
| ROBERT W. BAIRD & CO. INCORPORATED |
BARD |
| SG Americas Securities, LLC |
SGAS |
| STEPHENS, INC. |
SPHN |
| STIFEL NICOLAUS & COMPANY, INC |
STFL |
| StoneX Financial, Inc. |
INTL |
| SUSQUEHANNA FINANCIAL GROUP, LLP |
SUFI |
| THE VERTICAL TRADING GROUP, LLC |
VERT |
| TRUIST SECURITIES, INC. |
RHCO |
| TWO SIGMA SECURITIES, LLC |
SOHO |
| UBS SECURITIES, LLC |
UBSS |
