Castellum acquires for SEKm 233 and sells for SEKm 81

Castellum has through wholly owned subsidiaries acquired 14
properties for SEKm 233 and sold four properties for SEKm 81.

In the area Tunbytorp in Västerås, 13 commercial properties with a
total area of 45,500 sq.m. have been acquired for SEKm 212. The real
estate portfolio consists of office and retail premises as well as
warehouse and industrial premises. In principal all premises are
fully let and the time of taking possession will be in June.

In Kungsbacka, a commercial property of 4,000 sq.m. has been acquired
and taken into possession, for SEKm 21. The property, which at the
time of possession was vacant, is situated in the area Hede were the
company already owns a number of properties.

In Helsingborg, three residential properties with a total area of
5,200 sq.m. have been sold to new tenant owners' associations which
will take over possession on June 1, 2005. The total sales price of
SEKm 74 exceeded the fair value by SEKm 15 and the book value by SEKm
34, as of 31 December, 2004.

In Alvesta, a commercial property of 6,800 sq.m. has been sold. The
sales price of SEKm 7 was SEKm 2 below fair value and equivalent to
book value, as of 31 December, 2004. Following the sale the company
has no remaining properties in Alvesta.

On Castellum's website names and addresses of properties acquired or
sold since the beginning of the year are published.

Castellum is one of the major listed real estate companies in Sweden.
The value of the real estate portfolio amounts to approx. SEK 19
billion, and comprises mainly commercial properties. The real estate
portfolio is owned and managed by six wholly owned subsidiaries with
strong local roots in five growth regions: Greater Gothenburg, the
Öresund Region, Greater Stockholm, Western Småland and Mälardalen.
The Castellum share is listed on Stockholmsbörsen's O-list.

For further information, please contact
Lars-Erik Jansson, CEO, phone +46 31 60 74 00 / mobile +46 705-92 06
70
Håkan Hellström, CFO/deputy CEO, phone +46 31 60 74 00 / mobile +46
705-60 74 56