INTERXION HOLDING N.V. (limited liability company incorporated under the laws of the Netherlands) Ordinary Shares UNDERWRITING AGREEMENTUnderwriting Agreement • January 25th, 2011 • InterXion Holding N.V. • Services-computer programming, data processing, etc. • New York
InterXion Holding N.V., a limited liability company (naamloze vennootschap) incorporated under the laws of the Netherlands (the “Company”), with its corporate seat at Amsterdam, the Netherlands, and the persons listed in Schedule B hereto (the “Selling Shareholders”), confirm their respective agreements with Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”), Citigroup Global Markets Inc., Barclays Capital Inc. and each of the other Underwriters named in Schedule A hereto (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Merrill Lynch, Citigroup Global Markets Inc. and Barclays Capital Inc. are acting as representatives (in such capacity, the “Representatives”), with respect to (i) the sale by the Company and the Selling Shareholders, acting severally and not jointly, and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of ord
