Announcement Össur hf. No. 23/2010 Reykjavik, 16 November 2010 Market making agreement with Arion Bank terminated Following Össur's delisting request from NASDAQ OMX Iceland, Össur hf. and Arion Bank hf. have agreed to terminate existing market making agreement. The termination will take effect immediately. Össur contacts: Hjorleifur Palsson, CFO, tel. +354 664 1020 Sigurborg Arnarsdottir, IR Manager, tel. +354 664-1044 Össur press releases by e-mail If you wish to receive Össur press releases by e-mail please register at the following web-site: http://www.ossur.com/investormailings. [HUG#1462908]