The average is computed using the monthly average exchange rates announced by the Central Bank of Norway during the period indicated.

Year ended December 31 Low High Average End of Period
         
2005 6.0809 6.7945 6.4426 6.7687
2006 6.0125 6.8381 6.4135 6.2551
2007 5.2751 6.4727 5.8610 5.4110
2008 4.9589 7.2183 5.6390 6.9989
2009 5.5433 7.2048 6.2898 5.7767

      Low High
         
2009        
September     5.7625 6.1041
October     5.5433 5.8107
November     5.5596 5.8081
December     5.5805 5.8600
         
2010        
January     5.6026 5.8800
February     5.8327 6.0036
March (up to and including 12 March 2010)     5.8358 5.9571

On March 12, 2010, the exchange rate announced by Central Bank of Norway for the Norwegian krone was USD 1.00 = NOK 5.8358.

Fluctuations in the exchange rate between the Norwegian krone and the US dollar will affect the amounts in US dollars received by holders of American Depositary Shares (ADSs) on the conversion of dividends, if any, paid in Norwegian kroner on the ordinary shares, and they may affect the US dollar price of the ADSs on the New York Stock Exchange.