Firm # Firm Name Equity Options Index Options Stock Loan Participant Single Stock Futures Commodity Futures NYSE Liffe Commodities 001 ADM Investor Services, Inc X 005 Goldman, Sachs & Co. X X X X 007 CX Capital Markets, LLC X X 008 ABN AMRO Clearing Chicago LLC X X 009 Goldman Sachs Execution & Clearing, L.P. X X X X 013 Sanford C. Bernstein & Co. LLC X X X 015 Morgan Stanley Smith Barney LLC X X 017 Interactive Brokers LLC X X X X 018 BMO Nesbitt Burns Trading Corp. S.A X 019 Jefferies & Company, Inc. X X X X 027 DWM Securities Inc. X X X 031 Natixis Securities Americas LLC X X X X 033 Canaccord Genuity Corp. X X 035 Jump Trading, LLC X 038 RBC Capital Markets, LLC X 045 BMO Capital Markets Corporation X X X 050 Morgan Stanley & Co. LLC X X X 052 Legent Clearing LLC X X X 053 BNP Paribas Securities Corp. X 058 Prime Dealer Services Corp. X X 060 J.P. Morgan Securities LLC X X X 062 Vanguard Marketing Corporation X X 063 Virtu Financial BD LLC X 067 Instinet LLC X X 072 Jefferies Bache, LLC X X 074 Barclays Capital Inc. X X X X X 075 LPL Financial LLC X X X 076 Mitsubishi UFJ Securities (USA), Inc. X X X 077 Octeg, LLC X 078 Octeg, LLC X 079 Advantage Futures, LLC X 080 National Bank Financial Inc. X X X X 082 R.J. O'Brien & Associates, LLC X 083 R.J. O'Brien & Associates, LLC X X 089 Mizuho Securities USA Inc. X 090 Jefferies Bache, LLC X 092 Deutsche Bank Securities Inc. X 094 Deutsche Bank Securities Inc. X X 096 Lek Securities Corporation X X 099 ITG, Inc. X 102 BNY Mellon Clearing LLC X 103 Wedbush Securities, Inc. X X X X 105 Goldman Sachs Execution & Clearing, L.P. X X 106 Credit Suisse Securities (USA) LLC X 111 Penson Financial Services, Inc. X X X 112 ABN AMRO Clearing Chicago LLC X X X 115 Cantor Fitzgerald & Co. X 124 Ingalls & Snyder LLC X X X 128 RBS Securities, Inc. X 136 Banca IMI Securities Corporation X 140 Penson Futures X 141 First Clearing, LLC X X X X 146 Dorman Trading, LLC X 150 Dorman Trading, LLC X 152 Dorman Trading, LLC X 158 Penson Financial Services, Inc./Ridge Clearing X X X X 159 FCStone, LLC X 160 FCStone, LLC X 161 Merrill Lynch Pierce Fenner & Smith Inc. X X X X 164 Charles Schwab & Co., Inc. X X X X 173 Credit Suisse Securities (USA) LLC X 180 Nomura Securities International Inc. X X X X 181 Nomura Securities International Inc. X 186 Scotia Capital Inc. X X X 198 RBC Dominion Securities Inc. X X X 209 BMO Nesbitt Burns, Inc. X X X 216 American Enterprise Investment Services, Inc. X X X 221 UBS Financial Services Inc. X X X X 226 National Financial Services LLC X X X X 229 Lek Securities Corporation X X X 230 BNP Paribas Prime Brokerage, Inc. X X X 232 Compass Professional Services, LLC X 233 Compass Professional Services, LLC X X X X 234 Penson Financial Services, Inc. X X X X 235 RBC Capital Markets, LLC X X X X 240 Penson Futures X 255 Barclays Capital Inc. X X X X 269 Maple Securities U.S.A. Inc. X X X X 270 ING Financial Markets LLC X 271 TradeStation Securities, Inc. X X X 273 Barclays Capital Inc. X X X 275 Merrill Lynch Pierce Fenner & Smith Inc. X X X 276 Vision Financial Markets LLC X 277 ABN AMRO Clearing Chicago LLC X 278 Morgan Stanley & Co. LLC X 279 Southwest Securities, Inc. X X X X 284 Albert Fried & Company, LLC X X X 286 SG Americas Securities, LLC X X X X 288 J.P. Morgan Clearing Corp. X X 289 Credit Suisse Securities (USA) LLC X X 293 Knight Execution and Clearing Services LLC X X X 295 Knight Execution and Clearing Services LLC X X X 297 Knight Execution and Clearing Services LLC X X X 298 Knight Execution and Clearing Services LLC X X X 299 Merrill Lynch Pierce Fenner & Smith Inc. X X 308 Lazard Capital Markets LLC X X X 309 First Southwest Company X X X X 311 Piper Jaffray & Co. X X X 330 ABN AMRO Clearing Chicago LLC X X X 333 Electronic Brokerage Systems, LLC X X X 338 optionsXpress, Inc. X X X X 341 Octeg, LLC X X X 350 Goldman, Sachs & Co. X 352 J.P. Morgan Clearing Corp. X X X 355 Credit Suisse Securities (USA) LLC X X X X 367 USAA Investment Management Company X X X 370 Tradition Asiel Securities Inc. X X X 371 Citigroup Global Markets Inc. X 374 Janney Montgomery Scott LLC X X X X 381 BNP Paribas Securities Corp. X X 382 BNP Paribas Securities Corp. X 385 E*TRADE Clearing LLC X X X X 388 Industrial and Commercial Bank of China Financial Services LLC X 391 Tradelink LLC X X X 395 Citadel Securities LLC X X X 396 ABN AMRO Clearing Chicago LLC X X X 405 FCStone, LLC X 406 FCStone, LLC X 411 Automated Trading Desk Financial Services, LLC X X X 418 Citigroup Global Markets Inc. X X X X 419 Stephens Inc. X X X 425 RBS Securities, Inc. X X X 436 Archipelago Securities, LLC X X 438 CIBC World Markets Corp. X X X X 442 SunGard Brokerage & Securities Services, LLC X X X X 443 Pershing LLC X X X X 445 StockCross Financial Services, Inc. X X X 447 UBS Securities LLC X 477 Timber Hill LLC X X 490 MS Securities Services Inc. X 497 Goldman, Sachs & Co. X X 501 Goldman Sachs Execution & Clearing, L.P. X X X X 503 CIBC World Markets Inc. X X X 506 Vision Financial Markets LLC X X 509 ADM Investor Services, Inc X X 512 Lek Securities Corporation X X X X 513 Penson Financial Services, Inc. X X X X 515 Ziv Investment Company X X X 519 Merrill Lynch Professional Clearing Corp. X 520 Nasdaq Options Services, LLC X X 534 Interactive Brokers LLC X X X X 535 Interactive Brokers LLC X 536 Jefferies Execution Services, Inc. X X 540 Merrill Lynch Professional Clearing Corp. X X X 541 ABN AMRO Clearing Chicago LLC X X X X 543 Ridge Clearing & Outsourcing Solutions, Inc. X X X X 547 Robert W. Baird & Co. Incorporated X X X X 549 Timber Hill LLC X X X X 550 Timber Hill LLC X 551 Merrill Lynch Professional Clearing Corp. X X X X 552 Merrill Lynch Professional Clearing Corp. X X X 553 Merrill Lynch Professional Clearing Corp. X X X 560 Merrill Lynch Pierce Fenner & Smith Inc. X 567 ABN AMRO Clearing Chicago LLC X X 571 Oppenheimer & Co. Inc. X X X X 572 Goldman Sachs Execution & Clearing, L.P. X X X 573 Deutsche Bank Securities Inc. X X X X 575 Merrill Lynch Professional Clearing Corp. X X X 576 Barclays Capital Inc. X X X X 577 LiquidPoint, LLC X X 580 KDC Securities, LP X X X 581 Southwest Securities, Inc. X X X X 586 Deutsche Bank Securities Inc. X X X X 588 IKON GLOBAL MARKETS, Inc. X 595 Vision Financial Markets LLC X X X 598 Merrill Lynch Professional Clearing Corp. X 602 Morgan Stanley & Co. LLC X X 608 Newedge USA, LLC X X X X 611 Timber Hill LLC X 615 TD Waterhourse Canada Inc. X X X 640 UBS Securities LLC X 641 UBS Securities LLC X 642 UBS Securities LLC X X X X 643 Interactive Brokers LLC X X 647 Daiwa Capital Markets America Inc. X X X X 651 Credit Agricole Securities (USA) Inc. X X X X 656 BNP Paribas Securities Corp. X X X X 659 Newedge USA, LLC X X 660 JP Morgan Securities LLC X 661 JP Morgan Securities LLC X X 670 CSS, LLC X X 672 Newedge USA, LLC X X X 674 Lakeshore Securities, L.P. X X X 685 R.J. O'Brien & Associates, LLC X 695 ABN AMRO Clearing Chicago LLC X X X X 696 Cantor Fitzgerald & Co. X X X 702 Clearview Correspondent Services, LLC X X 704 Barclays Capital Inc. X X 705 Scottrade, Inc. X X X 706 Barclays Capital Inc. X 709 Barclays Capital Inc. X 711 Barclays Capital Inc. X 712 Barclays Capital Inc. X X X 718 Newedge USA, LLC X 719 Newedge USA, LLC X X X 722 Newedge USA, LLC X X X X 725 Raymond James & Associates, Inc. X X X 727 Mesirow Financial Inc. X X X 730 ABN AMRO Clearing Chicago LLC X X X X 733 Wells Fargo Advisors, LLC X X 737 Advantage Futures, LLC X 741 Goldman Sachs Execution & Clearing, L.P. X X 743 C.L. King & Associates, Inc. X X X 747 Citigroup Global Markets Inc. X X 749 Virtu Financial Capital Markets LLC X X X 756 American Enterprise Investment Services, Inc. X X X 761 Newedge USA, LLC X 762 Newedge USA, LLC X X 768 J.J.B. Hilliard, W.L. Lyons, LLC X X X 771 William Blair & Company, LLC X X 777 TD Ameritrade Clearing, Inc. X X X X 780 Morgan, Keegan & Company, Inc. X X X 792 Merrill Lynch Pierce Fenner & Smith Inc. X X X 793 Stifel Nicolaus & Company Incorporated X X X 795 RBC Capital Markets, LLC X X 796 RBC Capital Markets, LLC X 799 KeyBanc Capital Markets X X 800 Rosenthal Collins Group, LLC X 801 Rosenthal Collins Group, LLC X 813 ABN AMRO Clearing Chicago LLC X 815 Goldman Sachs Execution & Clearing, L.P. X 816 HSBC Securities (USA) Inc. X X X 822 J.P. Morgan Clearing Corp. X 824 Goldman Sachs Execution & Clearing, L.P. X 829 ABN AMRO Clearing Chicago LLC X 831 CIBC World Markets Corp. X X 833 J.P. Morgan Clearing Corp. X 841 Goldman Sachs Execution & Clearing, L.P. X X 843 Goldman Sachs Execution & Clearing, L.P. X 847 Merrill Lynch Professional Clearing Corp. X 875 BMO Capital Markets Corporation X X 880 Citadel Securities LLC X X 884 Nomura Securities International Inc. X