Up until September 9 2013, MEFF Sociedad Rectora de Productos Derivados S. A. (MEFF) ran both the activities of exchange and central counterparty (CCP) for the instruments included in the Financial Derivatives segment (IBEX 35 futures and options, single stock futures and options, futures on a dividend index, futures on single stock dividends, and 10-year Notional Bond futures). MEFF was also the CCP for repo transactions on Public Debt (MEFFREPO), and power derivatives (MEFF Power). The new company BME Clearing will now run this activity.