NASDAQ OMX Copenhagen Announcement no. 11/2010 Recommended tender offer from Deltek Inc. Not for release in or into Canada, Australia or Japan Copenhagen, 3 June 2010. On behalf of Deltek, Inc., we enclose an announcement for the disclosure of a recommended cash offer to purchase all shares in Maconomy A/S. Further information: Thomas Hartwig, Chairman of the Board of Directors Tel. +45 35 27 79 00