Canadian Derivatives Clearing Corporation – Press Release CANADIAN DERIVATIVES CLEARING CORPORATION CLEARS FIRST OTC TRANSACTION THROUGH CONVERGE BMO CAPITAL MARKETS FIRST TO MARKET Montréal – November 21, 2006 – The Montréal Exchange (MX) announced today that its wholly-owned subsidiary, the Canadian Derivatives Clearing Corporation (CDCC), successfully cleared its first transaction within its newly established overthe-counter clearing service – Converge – and that BMO Capital Markets (BMO Nesbitt Burns), a Clearing Member of CDCC, is the first member to use this new clearing facility. Converge is a clearing service dedicated to the over-the-counter (OTC) derivatives market. Participants in the OTC market can now register their transactions through Converge and benefit from a central counterparty clearing solution that offers superior risk management and operational standards to those prevailing in the bilateral OTC markets. For more information on Converge and CDCC, please visit www.cdcc.ca About the Canadian Derivatives Clearing Corporation CDCC is a AA rated Standard & Poor's corporation. As the clearinghouse for Canada’s financial derivative instruments, CDCC ensures the integrity and stability of the market by acting as central counterparty and guarantor by interposing itself between the buyers and sellers of exchange-traded and over-the-counter derivatives. In the event of a Clearing Member default, the obligations of that member towards the remaining Clearing Members would become the responsibility of CDCC. To ensure its ability to fulfill its obligations under this guarantee, the Corporation maintains a rigorous Risk Management Program.