Reminder: Adjustment of OMX Stockholm 30 Index due to share distribution in Lundin Petroleum AB

Lundin Petroleum AB (LUPE) (SE0000825820) has distributed shares in Etrion
Corporation (ETX) (CA29786T1057). The Ex-day was November 8, 2010. One share in
LUPE entitled the shareholder to receive 0.2283 shares in ETX. 

On the first trading day of ETX, Nov 12, 2010 the number of shares for ETX will
be set according to the terms of the distribution. The number of shares for ETX
will be set to 72 578 985 and the start price for ETX will be recalculated to
SEK 3.723171287. The divisor will not change on Nov 12, 2010. 

On Nov 12, ETX will be included at average price and be removed from the index
at the end of the day at that day's closing average price. The average price is
calculated in accordance with “Rules for the Construction and Maintenance of
the OMX Stockholm 30 Index v.1.3”, rule 1.5. 

The divisor will change on Nov 15, 2010 as a result of the removal of ETX.

For further information concerning this notice please contact Index Operations,
telephone + 46 8 405 6296, e-mail index@nasdaqomx.com