Hamilton, Bermuda (December 20, 2011)

Archer Limited plans to release its financial statements on the following dates in 2012:

• 29 February 2012 - Preliminary fourth quarter and financial year 2011 results
• 31 May 2012 - First quarter 2012 results
• 31 August 2012 - Second quarter 2012 results
• 30 November 2012 - Third quarter 2012 results

 Please be advised that the dates are subject to change.

This information is subject of the disclosure requirements acc. to §5-12 vphl (Norwegian Securities Trading Act)