Level of Data Services OPRA Vendors Real Time Delayed Historical Terminals Analytics and Charting Datafeeds or APIs Website Hosting TV Display ACTIV Financial [email protected] XXXXXX 212‐599‐1600 ActiveTick LLC 302‐295‐3665 XXXX X ADVFN PLC 888‐992‐3836 (toll free) XX X X Alpha Theory 704‐307‐2914 XX Ameriprise 612‐678‐7451 XX X X AS LHV Pank 372‐680‐0445 XXX XXXX X Bank of America NA XXXX Barchart [email protected] XXXXXXXX 312‐566‐9235 BinckBank NV [email protected] XX X Bloomberg 212‐318‐2000 XXXXXX Born To Sell 800‐434‐6980 XXX CenturyLink Technology Solutions [email protected] X X Cboe X Cboe Silexx silexx‐[email protected] XXXXXX

CQG, Inc. 800‐525‐7082 XXXXXX DAS, Inc dba DAS Trader [email protected] X XXX Devexperts 201‐633‐4740 XXXXXX DirectFN [email protected] XXXXXX 0097143259996 ext:299 E*TRADE Financial Corporation 1‐800‐ETRADE1 XX X Eze Software Group +1 617‐316‐1000 XXXXXX eSignal 510‐723‐3519 XXXX X FactSet Research Systems XXXXXXXX 203‐810‐1000 Fidessa plc +44 (0) 1483 206300 XXXX Inc. [email protected] XX X Fixnetix [email protected] X X +44 (0) 203 008 8990 Flextrade Systems Inc 516‐627‐8993 XXXXXXX FolioDynamix 201‐605‐1876 XX X Globe and Mail 416‐585‐5000 XXXX X Hanweck Associates, LLC XXX XX 1‐646‐414‐7330 Hubb (Australia) Pty Ltd XX 2‐8213‐6000 Imagine Software Inc 1‐212‐317‐7600 XXXX X Infront Data XX XX Interactive 1‐877‐442‐2757 XX X Interactive Data 212‐771‐6565 XXXXXXX Investopedia 780‐421‐0555 XXX InvestorPlace Media 301‐250‐2200 X XXX IRESS Market Technology Canada XXXX 416‐907‐9200 ITG 1‐212‐588‐4000 XXX IVolatility.com 212‐223‐3552 XXXXXXX [email protected] IWBank Spa ‐748704 XX Keytrade Bank 322‐679‐9000 XX X Lek Securities Corporation XXXXX 212‐509‐2300 LHV Pank 372‐680‐0420 X Trading X XXX 1‐888‐577‐3123 LiquidPoint, LLC 312‐986‐2006 XXXXXXX Livevol, Inc. [email protected] XXXXX MarketSmith Incorporated XX 800‐424‐9033 Markit on Demand 303‐417‐9999 XXXXXXX Mergent, Inc. [email protected] XX Microsoft [email protected] XX Money.Net [email protected] XXXXXXXX Morningstar Real‐Time Data realtimesales@ XXXXXXX morningstar.com Nasdaq ISE 301‐978‐5307 XXXX X Nasdaq OMX 1‐212‐401‐8788 X X Nasdaq OMX TradeGuard XX 800‐325‐4428 Neovest [email protected] XXX Nexa Technologies 972‐590‐8669 X XXX Nirvana Systems [email protected] XX XXX Option Review, Inc. 203‐325‐1171 X XXX OptionMetrics LLC 212‐707‐8370 XXX Options info@options‐it.com X X Optionsanalysis, Inc 520‐490‐3491 XXXX OptionsFlux.com 3.51926E+11 X XXX Pershing LLC 201‐413‐2000 XX X PowerOptions 302‐992‐7971 XXXXX [email protected] Quanthouse 312‐320‐3131 XXX X [email protected] QUODD Financial Information Services 866‐537‐5518 X XXXX [email protected] QuoteMedia, Inc. 1‐844‐485‐8200 XXXXXXXX [email protected] R2G Services LLC 1‐312‐834‐9000 X X RB Technologies LLC marketing@ X XXX rb‐trader.com RBC Direct Investing 1‐800‐769‐2560 XX X S & P Capital IQ 877‐863‐1306 XXX X ‐7932 XX 800‐619‐SAVE XX XX SIX Financial Information Ltd XXXXX 41‐58‐399‐5111 SPIDERROCK [email protected] X XXXXX 312‐256‐9601 Stephens Inc. 800‐643‐9691 XX StockLinkU 864‐990‐5058 XX X Stockwatch 1‐800‐268‐6397 XX X Stricknet.com [email protected] XXX Sungard MarketMap [email protected] XX XXXX Telemet America, Inc. 800‐368‐2078 XXXX Telvent DTN 800‐652‐2291 XXXXXXX The Motley Fool 703‐838‐3665 XX Thomson Reuters 1‐877‐365‐1455 XXXXXXXX TMX Atrium [email protected] X X Trade Alert LLC support@trade‐alert.com XXXX X Trade Navigator 800‐808‐3282 XXXX TradeKing 877‐495‐5464 XX X tradeMONSTER 877‐598‐3190 XX X tradeMONSTER Group Inc. XXXXX [email protected] TradeRouter X X TradeStation Group 954‐652‐7000 XXXXX Tradier Brokerage Inc. 980‐272‐3880 XX X TradingBlock 1‐800‐494‐0451 XX X TradingScreen Inc. 1‐212‐359‐4100 XX Transaction Network Services X X [email protected] UBS OL‐UBS‐Marketlinks‐ X XXXX [email protected] Vela Trading Systems [email protected] XXXXXX 646‐713‐2773 vwd Vereinigte Wirtschaftsdienste GmbH XXXXX +49 69 50701‐170 Wolverine Execution Services (WEX) XXXX X 877‐310‐8155 Xignite, Inc. 1‐650‐655‐3700 XXXXXXXX Yahoo, Inc. 408‐349‐3300 XXXXXX