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OMX Index Weighting Restrictions To Be Introduced In Stages

Date 13/04/2000

Beginning on April 28 2000, the OM Stockholm Exchange will introduce a weighting restriction of 20 percent in the OMX index. The aim of this weighting restriction is to limit the influence of individual shares on the index movement.

Before deciding to bring about this change, the OM Stockholm Exchange carried out a major market survey through which the need for weighting restrictions was identified. Over 150 institutional players, broker firms and share saver representatives were interviewed in the survey.

The decision means that for a transitional period there will be two OMX indices due to the fact that outstanding OMX contracts need to expire. All new contracts will relate to the new OMX, which during the transitional period will be called the OMXCAP index. Derivatives trading based on the OMXCAP index as the underlying instrument will commence on May 26 2000. The expiry months to be listed initially will be June, July, August, October and January 2001.