LONDON – 10 April 2012 – INTERXION HOLDING NV (NYSE: INXN), a leading European provider of carrier-neutral colocation data centre services, has announced that FFastFill, a leading provider of Software as a Service (“SaaS”) to the global financial marketplace, is now providing its services and solutions from Interxion’s City of London data centre.

FFastFill offers SaaS solutions to capital market participants that require managed market access services to the leading liquidity pools. FFastFill currently provides access to over sixty global venues via the Horizon global multi-broker network. The presence of the various financial exchanges’ matching engines and access points at Interxion’s City of London data centre allows FFastFill to deliver a cost-effective, high-quality service to its customers.

Interxion hosts one of the two proximity centres for the London Metal Exchange, which facilitates the fastest connectivity option to the exchange’s matching engines. For members that require access to market data and management of their trading infrastructure, FFastFill can now deliver a comprehensive solution from Interxion’s data centre. Average acknowledgment times for new orders to the LME are improved by 50% for those members locating their exchange gateways in Interxion’s data centre. FFastFill, which provides routing for over 20 LME category 1 and 2 members, has seen the average exchange round-trip latency reduce from 10ms to 5ms when proximity solutions are used.

Caroline Davis, Managing Director, Business Development at FFastFill, commented: “Our decision to offer our services from Interxion’s City of London data centre is based on its unique location and proximity to London’s principal liquidity venues. Combined with the presence of various exchange connection points, the leading financial networks, and a large number of market participants within the facility, this allows us to offer our customers the highest quality of service.”

Greg McCulloch, UK Managing Director at Interxion, added, “We are delighted to announce that FFastfill has selected Interxion for the delivery of their services, as this further increases the value of our City of London data centre to the capital markets community. The fact that FFastFill has selected Interxion reflects our position as a leading provider of colocation and proximity hosting services to the capital markets industry.”

Interxion hosts a range of liquidity venues, such as Equiduct, Quote MTF, Burgundy and the Nordic Derivatives Exchange, as well as access points to NYSE Euronext & Liffe, London Metal Exchange, Bolsa de Madrid, BATS Europe and SIX Swiss Exchange. In addition, Interxion offers access to Deutsche Börse Group’s trading systems through a shared market access solution.