On Monday May 3, 2010, the NASDAQ OMX Nordic Production system will be upgraded with the next CLICK XTTM and SECURTM release, version 19.0-0216. The release will contain general corrections, new functionality and a new version of the SECUR™ Participant Interface (previously called SECUR™ BO) application. Please note that the release will not contain any mandatory API changes or functional changes for the members of NASDAQ OMX Derivatives Markets. The front end application versions to use with 19.0-0216 are: - CLICK Trade XTTM: 19.0.0210 6 B1.8.1.22 (not changed since previous release) - SECURTM Participant Interface: 19.0.0216 (recommended but not mandatory) The Member Extranet will be updated shortly with the latest versions of the front end applications, User and Installation guides, OMex System Programmer's Manual, and release notes for the new version of the SECUR™ Participant Interface application. - 19.0-0216 is as of Monday April 19th, 2010 available for testing in External Test System 1 - 19.0-0216 is as of Monday April 19th, 2010 available for testing in External Test System 3 For further information concerning this exchange notice please contact Fredrik Olofsson or Jonas Buskas, telephone +46 8 405 73 60, or derivatives@nasdaqomx.com. NASDAQ OMX Nordic