Derivatives: Anticipated adjustment due to Boliden’s redemption process (35/07)

The following information is based on a press release from Boliden AB (Boliden) dated February 8, 2007 and March 2007 and may be subject to change.

The board of Boliden has proposed that the Annual General Meeting (AGM) approves a redemption process whereby every Boliden share entitles the holder to one (1) redemption share, which will be subject to compulsory redemption for a cash payment of SEK 12,00. If the AGM, which will be held on May 3, 2007, approves the proposal, OMX Derivatives Markets will carry out a re-calculation of options and futures in Boliden and adjust the OMXS30 index as below. Scheduled record date is May 25, 2007.