Changes in SAXESS June 2, 2008 A new version (1.2) of “Changes in SAXESS 20080602”-document has been published on member web: http://www.omxnordicexchange.com/memberlogin/saxess/nextversionsaxess The document has been updated with latest information about circuit breakers and submarket lists for market model harmonization. Production launch SAXESS 5.0.0 will be launched on Monday, June 2. Detailed schedule for the production launch and connectivity testing will be available soon. Test environment configuration SAXESS Test Environment SAXTST1 will be updated with a new submarket that is already available in production and SAXTST3. The new submarket, containing one orderbook, will be active in SAXTST1 tomorrow, May 9: • Sub market OMX CPH FI Forwards and Futures (code: DKFI Forward) Best regards OMX Nordic Exchange