INTERXION HOLDING NV (NYSE:INXN), a leading European provider of carrier-neutral colocation data centre services, today announced the opening of its seventh data centre (FRA 7) in its Frankfurt campus. The new data centre, which provides over 1,500 sqm of additional equipped space and 2 MW of additional customer power from renewable energy sources, enhances Interxion’s capacity to provide value-adding services to its customers in the connectivity, digital media, financial services, and cloud service segments. The new data centre addresses the consistent growth in customer demand for highly connected applications in Interxion’s “Cloud Hub”. This virtual community is enabled by a “Connectivity Hub” which was ranked as the world’s top colocation facility in terms of peering-participants and also hosts the core infrastructure of the DE-CIX, the world’s largest internet exchange in terms of peak traffic. “This build provides needed capacity in the most highly connected campus in the largest data centre market in continental Europe. Interxion Frankfurt is the leading option for connectivity-intensive companies, particularly in the cloud, digital media, and financial services segments, and we continue to see strong demand in this market,” said David Ruberg, Interxion's Chief Executive Officer. Interxion is focused on expanding its capacity to match demand in its local markets. As previously announced, Interxion plans to add new capacity in 2012 across its existing footprint, including new builds in Paris (PAR 7), London (LON 2) and Amsterdam (AMS 6). In total, Interxion has announced that it will add over 12,000 square meters of equipped space in 2012, representing a nearly 20 percent increase in the Company’s total at year end 2011. About Interxion Interxion (NYSE: INXN) is a leading provider of carrier-neutral colocation data centre services in Europe, serving over 1,200 customers through 29 data centres in 11 European countries. Interxion’s uniformly designed, energy-efficient data centres offer customers extensive security and uptime for their mission-critical applications. With connectivity provided by more than 400 carriers and ISPs and 18 European Internet exchanges across its footprint, Interxion has created content cloud, and connectivity hubs that foster growing customer communities of interest. For more information, please visit www.interxion.com . Forward-Looking Statements This press release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially from expectations discussed in such forward-looking statements. Factors that might cause such differences include, but are not limited to, the difficulty of reducing operating expenses in the short term, inability to utilise the capacity of newly planned data centres and data centre expansions, significant competition, the cost and supply of electrical power, data centre industry over-capacity, performance under service level agreements and other risks described from time to time in Interxion's filings with the Securities and Exchange Commission. Interxion does not assume any obligation to update the forward-looking information contained in this press release.