FRANKFURT, 7 April 2011 - INTERXION HOLDING NV, (NYSE: INXN), a leading European provider of carrier-neutral colocation data centre services, today announced an agreement with ICF Systems AG, a full-service IT provider for the financial industry, to build a point of presence for ICF's managed trading services at Interxion's Frankfurt data centre campus. This allows market participants to cost-effectively connect to ICF Systems' infrastructure and benefit from their market leading, managed trading services portfolio.

ICF Systems' full-service offering is now available for all capital market participants colocated at Interxion's Frankfurt data centre campus. The comprehensive service portfolio includes ICF Managed Trading, Trading Anywhere, as well as ICF Remote Hands, which gives market participants low-latency access to a range of flexible hosting and managed trading solutions.

ICF Systems AG is one of the first customers to take advantage of Interxion's multi-member access service that was launched recently. The solution allows capital markets participants to gain cost-effective access to the financial markets located in Frankfurt. ICF Systems AG provides complementary, value-added services to capital markets participants hosted at Interxion. Interxion hosts a fast-growing community of capital markets participants that are attracted by the unrivaled number of connectivity options offered at Interxion's Frankfurt data centre, allowing them to reduce the costs and complexity of interconnecting with their business partners.

Michael Krug, CEO of ICF Systems, commented, "Interxion's scalable Frankfurt data centre campus is the perfect location for us to deliver our services from. We intend to migrate our customers to the Interxion platform to allow them to benefit from the quality and flexibility provided by the architecture of Interxion's multi-member access service. The existing community of financial services firms already at Interxion provides us with an additional revenue opportunity, whilst the choice of more than 150 communication networks, means both ICF Systems and our customers can source the best connectivity solutions available".

"We are pleased that ICF Systems AG has decided to strengthen our Financial Hub community so soon after launching our new multi-member access service. ICF Systems' management services provide a complementary service for our customers requiring holistic management and add significant value to our community", explained Peter Knapp, Managing Director of Interxion Germany.