NASDAQ OMX Derivatives Markets has decided to change Collateral eligibility, effective date April 27th 2010. The changes, which have been approved, are attached in reference document Appendix 12 and Appendix 12a of NASDAQ OMX Derivatives Markets Rules and Regulations. The effective date of the changes to Appendix 12 “Collateral list” and Appendix 12a “Collateral restrictions”, will be April 27th, 2010. Please note that the advance notice on the effective date is necessary to allow our Custodian Institutions an appropriate amount of time to administer the effects of the changes, which have been approved. Attached document: Appendix to NASDAQ OMX Derivatives Markets Rules and Regulations: Appendix 12 Collateral list - effective date April 27th, 2010 Appendix 12a Collateral restrictions - effective date April 27th, 2010 Legal disclaimer: This Exchange Notice is provided only as notification to NASDAQ OMX Derivatives Markets participants and other contracting parties of NASDAQ OMX Derivatives Markets and is not intended for any other purposes. Prior to taking any action based on the above information, the Rules and Regulations of NASDAQ OMX Derivatives Markets (“Rules”) should be fully understood. NASDAQ OMX Derivatives Markets is not responsible for any misinterpretation of the information provided in this Exchange Notice. Subject to the Rules, NASDAQ OMX Derivatives Markets assumes no liability for the accuracy or completeness of the contained information or for any damages arising from actions taken on the basis of this Exchange Notice. For further information concerning this exchange notice please contact Clearing Risk Management - Europe , telephone +46 8 405 70 88, or riskmanagement@nasdaqomx.com NASDAQ OMX Derivatives Markets Clearing Risk Management - Europe