Information to all exchange and clearing members Lysaker, 19 April 2009 With reference to exchange and clearing information no 35/09, the system upgrades will be executed as planned Monday 20 April. Members will get the CLICK Trade XT 19.2 v1.10.1.4 and the new clearing application SECUR Participant Interface (PI), replacing the Clearing Desk Application (CDA). The log in link for PI is: http://www.nordpool.com/en/asa/clearing/Log-in-PI/ http://www.nordpool.com/en/asa/clearing/Log-in-PI/ For any questions regarding technical issues, please call NASDAQ OMX technical support, phone +46 8 405 6400 For any questions regarding clearing operation issues, please call Clearing Support, phone + 47 6710 8430 For further information, please contact Nord Pool Clearing ASA, a part of NASDAQ OMX Commodities: Camilla Christiansen, head of market & credit, phone +47 9181 4112 Press contact: Lars Galtung, corporate communications, phone +47 9821 4812