Atrium Network, with an exclusively focus on the financial community, provide interconnectivity to customers allowing trading counterparties, service providers, brokers, exchanges, execution venues, MTFs, market data providers to communicate with each other.Atrium Network has created a microsecond access to multiple trading facilities including Cboe in London and New York, using dedicated fabric – "Exchange Ring".

Customers using MyAtrium, the innovative customer service portal, monitor latency and bandwidth, and manage connectivity to counterparties.

BT's RadianzNet is the leading secure, reliable, scalable connectivity and hosting platform for the global financial services community. Connecting more than 10,400 financial sites around the world, RadianzNet is optimised for the time-critical demands unique to financial services. BT provides connectivity to Cboe for financial firms across Europe and the UK for market data and order entry through RadianzNet. BT also provides ultra-low latency connectivity to Cboe in metropolitan London through Radianz Ultra Access.

CenturyLink (NYSE: CTL) is a global communications, hosting, cloud and IT services company enabling millions of customers to transform their businesses and their lives through innovative technology solutions. CenturyLink offers network and data systems management, Big Data analytics and IT consulting, and operates more than 55 data centers in North America, Europe and Asia. The company provides broadband, voice, video, data and managed services over a robust 250,000-route-mile U.S. fiber network and a 300,000-route-mile international transport network. For more information, please contact [email protected]

Colt Capital Markets delivers highly secure, on-demand services that are designed to meet the stringent requirements and speed of the financial markets. Our unique Capital Markets offering brings together a specialised team of experts and the ownership and control of the underlying infrastructure. We serve more than 400 Capital Markets firms worldwide, including 18 of the top 25 global banks or diversified financial groups and 13 European central banks. Colt's portfolio of solutions for Capital Markets firms include dedicated access propositions, the Colt PrizmNet financial extranet, market data as well as hosting and managed communications services. For more information, please visit www.colt.net/capitalmarkets/ or contact [email protected]

Exponential-e's trading data solution gives you access to multiple sources of liquidity over one pipe. You can connect to ECNs, MTFs, other financial exchange feeds, financial applications as well as data applications (eg, VoIP & Internet) all over a single low-latency Ethernet connection. Thereby, you can simplify, consolidate and lower the cost of data distribution and trade execution. Benefits include; uninterrupted uptime, trading capabilities with tight service levels, cost-efficiency, high security and end-to-end fault management.

Fixnetix is the leading provider of ultra low latency data and trading connectivity to many of the worlds leading Investment Bank Proprietary trading desks, Stat Arb Hedge Funds, Market Makers and Exchanges (including Cboe Europe). Fixnetix provide connectivity within Exchange Colo‘s coupled with access to every other major alternative trading venue over our dedicated point to point 10Gb+ DWDM network. We deliver data in multiple formats with sub-millisecond transformation if required, with services provided on the wire for reduced support costs, delivery times and ease of integration.

IPC Systems offers high and low touch trading communications solutions to the global financial trading community including the top investment banks, hedge funds and investment managers in established and emerging markets. With 100% focus on this sector and nearly 40 years of expertise and an unrivaled record of innovation, IPC provides customers with unified solutions that support collaborative voice trading and real-time electronic trading and market data connectivity. IPC‘s market-leading offerings include the first unified communications/application platform, award-winning hard and soft turrets, electronic connectivity services including enhanced voice services, business continuity solutions, and follow-the-sun service and support. IPC‘s global reach extends to more than 58 countries — including a Financial Extranet of 4,000 on-net locations in over 700 cities and more than 115,000 turrets deployed worldwide. Headquartered in Jersey City, New Jersey, IPC has approximately 1,000 employees located throughout the Americas and the EMEA and Asia-Pacific regions. For more information, visit http://www.ipc.com/Network-Services/Connexus-IPC-Financial-Extranet.aspx.

The Options PIPE® is an innovative, worldwide technology platform offering general business, trading, and high performance IT infrastructure as a fully managed and supported service. A key offering from the PIPE infrastructure is the Velocity service, designed specifically to provide clients with lowest latency and highest capacity direct market access both locally and in key trading centres around the world. A client utilizing the Velocity service can position trading systems as close as possible to local and remote financial markets. Clients benefit from proximity to the exchange as well as high performance servers, storage, and network backhaul, and the robustness and resilience of the PIPE worldwide network design.

QuantHouse, provides end-to-end systematic trading solutions. This includes ultra-low latency market data technologies with QuantFEED, algo-trading development framework with QuantFACTORY, co-lo hosting and order routing services with QuantLINK to help hedge funds, market makers, proprietary desks and latency sensitive sell side firms to take the lead.

SIA is European leader in the design, creation and management of technology infrastructures and services for Financial and Central Institutions, Corporates and Public Administration bodies, in the areas of payments, e-money, network services and capital markets. SIAnet Financial Ring is the connectivity solution enabling financial brokers to access European and international financial marketplaces and their trading partners in the simplest and most flexible manner. A one-stop solution designed for the financial community that consolidates all connectivity accesses to international markets into one reliable, secure and fast connection, allowing for reductions in the costs attributable to complexity. For more information: www.sia.eu

Transaction Network Services (TNS) provides financial institutions with flexible, robust and secure CONNECTIVITY FOR MARKET DATA & electronic trading solutions. Our low latency private network provides access to a global FINANCIAL community which includes a large number of MARKETS, buy-side AND SELL SIDE FIRMS, as well as APPLICATION AND market data providers. The quality of the managed TNS service is second to none, ensuring our customers get everything they need for electronic trading. Connections to other on-net trading partners can be up and running in three days or less. Global connectivity at a local price. Please visit our website www.tnsfinancial.com or email [email protected] for further information

X2M, part of London Stock Exchange Group, is a growing service providing access to a community of interconnected trading firms, venues and financial networks. X2M aims to develop innovative tools and service models, integrating the value chains and expertise of its partners. Through data centres located in London, Milan, Rome and Frankfurt, X2M is connected to the markets of Borsa Italiana, LMAX Exchange, London Stock Exchange, MTS, Cboe Chi-X Europe, CME Group, e-MID, Eurex, Hi-mtf, ICE Futures Europe, LMAX Exchange, Euronext, EuroTLX and Xetra. For more information: www.lseg.com/markets-products-and-services/technology/x2m