Invitation to attend Extraordinary General Meeting on 26 January 2006

An Extraordinary General Meeting will be held on 26 January 2006 at 10 a.m. at Hörsalen, Novum, Huddinge. The invitation to attend is attached to this press release, although only available in Swedish. For more information, please contact: Rolf L. Nordström, Chairman, Tripep AB Tel: +44 20 7495 1480, mobile phone: +44 7776 137 400 E-mail: rolf.l.nordstrom@btinternet.com Jan Nilsson, CEO, Tripep AB Tel: +46 8 449 84 80, mobile phone: +46 70 466 31 63 E-mail: jan.nilsson@tripep.se Anders Vahlne, Head of Research, Tripep AB Tel: +46 8 5858 1313, mobile phone: +46 709 28 05 28 E-mail: anders.vahlne@ki.se