| 10 June 2013 | Annual Report |  |  |  | 
        
            | 09 November 2012 | Half Year Report & Accounts |  |  |  | 
        
            | 30 May 2012 | Annual Report |  |  |  | 
        
            | 24 November 2011 | Half Year Report & Accounts |  |  |  | 
        
            | 26 May 2011 | Annual Report |  |  |  | 
        
            | 24 November 2010 | Half Year Report & Accounts |  |  |  | 
        
            | 30 September 2010 | Supplemental Prospectus |  |  |  | 
        
            | 21 September 2010 | LSE Admission Prospectus |  |  |  | 
        
            | 16 August 2010 | Scheme of Arrangement |  |  |  | 
        
            | 27 May 2010 | Annual Report |  |  |  | 
        
            | 19 November 2009 | Half Year Report & Accounts |  |  |  | 
        
            | 10 July 2009 | Placing and Open Offer |  |  |  | 
        
            | 11 June 2009 | Annual Report |  |  |  | 
        
            | 27 November 2008 | Half Year Report & Accounts |  |  |  | 
        
            | 26 June 2008 | Annual Report |  |  |  | 
        
            | 02 November 2007 | Admission Document |  |  |  |