NSI N.V.

Board/Management Information • Apr 26, 2013

PRESS RELEASE

NSI strengthens Board of Management with COO Mark Siezen

Hoofddorp, 25 April 2013 – NSI N.V. ("NSI") will appoint Mark Siezen as Chief Operating Officer (COO) as per 1 July 2013. NSI expands its Board of Management with a COO to further strengthen its active and innovative management of the portfolio.

NSI's strategy and operating model are geared at creating a strong operational platform. NSI is convinced that active portfolio management is crucial in the current market, in which innovations, new leasing concepts and an active acquisition and disposal strategy are instrumental in optimizing the performance of the portfolio. NSI has therefore incorporated the full spectrum of real estate competences in its organization. Furthermore, NSI focuses, following the successful integration of VNOI in 2012, on further strengthening the operational performance of the portfolio, amongst others through further improvement of the efficiency of the business processes. Embedding the responsibility for operational management at Board level will give a strong impulse to this.

Mark Siezen (1972) has extensive real estate and management experience to build further on this ambition level. Mark Siezen previously worked in various positions with Redevco; as Director of Development of Redevco European Services, as Managing Director of Redevco Netherlands, and most recent as CEO of C&A China. Furthermore he has worked in various positions as a consultant, including in the field of real estate.

The proposed appointment of Mark Siezen as COO is subject to (i) approval of a yet to convene extraordinary meeting of shareholders and (ii) the required approval of AFM (Dutch Financial Markets Authority).

As per 1 July 2013, the Board of Management of NSI will consist of Johan Buijs (CEO), Daniël van Dongen (CFO) and Mark Siezen (COO).

About NSI

NSI aims to create a continuous return for private and institutional investors by investing in high quality offices and retail locations that offer tenants suitable business accommodation, allowing them to run their businesses successfully. NSI invests in offices and retail in high-quality locations in the Netherlands and Belgium. NSI is a publicly listed closed-end real estate investment company with a variable capital, and manages assets of around €2.1 billion.

For further information:

NSI N.V. – Eva Lindner, Investor Relations and Corporate Communications Tel: +31 20 76 30 300 / +31 6 35 11 28 18 e-mail: eva.lindner@nsi.nl / internet: www.nsi.nl