Interxion Schedules Fourth Quarter 2013 Earnings Announcement

Interxion Holding N.V. (NYSE: INXN), a leading European provider of cloud- and carrier-neutral colocation data centre services, will release its fourth quarter 2013 results on Wednesday, 5 March 2014, and will host a conference call at 8:30 a.m. ET (1:30 pm GMT, 2:30 pm CET) to discuss the results.

To participate on this call, U.S. callers may dial toll free 1-866-966-9439; callers outside the U.S. may dial direct [phone]. The conference ID for this call is 42521897. This event also will be webcast live over the Internet in listen-only mode at investors.interxion.com.

A replay of this call will be available shortly after the call concludes and will be available until 11 March 2014. To access the replay, U.S. callers may dial toll free 1-866-247-4222; callers outside the U.S. may dial direct [phone]. The replay access number is 42521897.

About Interxion

Interxion (NYSE: INXN) is a leading provider of cloud- and carrier-neutral colocation data center services in Europe, serving a wide range of customers through 34 data centres in 11 European countries. Interxion’s uniformly designed, energy-efficient data centers offer customers extensive security and uptime for their mission-critical applications. With connectivity provided by over 450 carriers and ISPs and 19 European Internet exchanges across its footprint, Interxion has created content and connectivity hubs that foster growing customer communities of interest. For more information, please visit www.interxion.com.

InterxionJim Huseby, [phone]Investor [e-mail]