NSI N.V.

Notice of Dividend Amount • Dec 7, 2012

PRESS RELEASE

NSI Q3 interim dividend: 49% opted for stock dividend

HOOFDDORP, 7 December 2012 - The interim dividend of €0.24 over the third quarter of 2012 has been offered as an optional dividend to the shareholders. The number of stock dividend rights entitling to one new ordinary share is determined at 25.25 dividend rights, representing a 1.6% premium compared to the gross cash dividend.

The exchange ratio is based on the volume weighted average price (VWAP) of shares NSI traded on NYSE Euronext in Amsterdam from 30 November 2012 – 6 December 2012 (€6.15). The election period in which shareholders could instruct their bank or stockbroker to opt for dividend in shares or cash ended December 6. Shareholders of about 49% of the outstanding shares opted for stock dividend, meaning that 1,304,729 shares will be issued.

Delivery of the new ordinary shares or payment of the cash dividend will be effected on 18 December 2012.

For 2012, NSI aims to distribute 30-50% of its total dividend in shares. Since the introduction of optional dividend, 48% on average opted for stock dividend.

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 €2.2 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