Castellum — Capital/Financing Update 2012

May 9, 2012

Castellum AB (publ), Box 2269, SE-403 14 Göteborg Org nr/Corp Id no SE 556075-5550 Tel +46 31 60 74 00 Fax +46 31 13 17 55

PRESS RELEASE No 8 – May 9, 2012

Castellum sells SEKm 156 and sets an MTN program

Castellum has through the wholly owned subsidiary Aspholmen Fastigheter AB sold 6 properties in Sigtuna for SEKm 116 net, after reduction for assessed deferred tax and transaction costs of SEKm 7 in total. The latest valuation amounted to SEKm 114. The properties consist of 16,620 sq.m. industrial premises, 6,590 sq.m. office premises and 1,610 sq.m. warehouse premises. The change of possession will take place June 1, 2012.

In central Gothenburg Eklandia Fastighets AB has sold an office property of 970 sq.m. for SEKm 40 net, after reduction for assessed deferred tax and transaction costs of SEKm 4 in total. The latest valuation amounted to SEKm 35. The change of possession has taken place.

Further Castellum has as an intention to broaden the base of financing by setting a MTN program with a total program size of SEKbn 5. The MTN program will complement Castellum's existing funding, which mainly consists of credit agreements with banks. The first emission under the program is estimated to be in 2012.

"Castellum has no need of new funding at the moment but we see the MTN program as a complement to the current funding with credit agreements in different banks and commercial papers. The financing will be utilized for profitable investments in acquisitions, new constructions, extensions and reconstructions" comments CEO Håkan Hellström.

For further information, please contact

Håkan Hellström, CEO, phone +46 31 60 74 00 / mobile +46 705-60 74 56 Henrik Saxborn, Deputy CEO. Phone +46 31 60 74 00 / +46 706 94 74 50 Anette Asklin, Financial director, phone +46 31 60 74 00 / mobile +46 706 64 97 17

www.castellum.se

Castellum is one of the major listed real estate companies in Sweden. The fair value of the real estate portfolio amounts to SEK 34 billion, and comprises premises for office, retail, warehouse and industrial purposes with a total lettable area of 3.4 million sq.m. 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, Mälardalen and Eastern Götaland.

Castellum is listed on NASDAQ OMX Stockholm AB Large Cap.

Castellum AB (publ) discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act.