Major interests in shares

Old Mutual PLC
23 January 2008

Old Mutual 

REG- Old Mutual plc Holding(s) in Company

Ref 18/08 

23 January 2008

TR-1: Notification of major interests in shares

1.Identity of the issuer or the                        Old Mutual plc
  underlying issuer of existing 
  shares to which voting rights 
  are attached        
                        
2.Reason for the notification
  An acquisition or disposal of                        Yes  
  voting rights                                            

  An acquisition or disposal of 
  financial instruments which may 
  result in the acquisition of 
  shares already issued to which 
  voting rights are attached

  An event changing the breakdown 
  of voting rights
  Other (please specify):

3.Full name of person(s) subject                        Legal & General 
  to the notification obligation:                       Group Plc (L&G)                                      
                         
                                                        Legal & General 
                                                        Investment Management 
                                                        Limited (LGIM)

4.Full name of shareholder(s)                           Legal & General 
  (if different from 3.)                                Assurance (Pensions 
                                                        Management Limited)(PMC)
                                                       
                                                        Legal & General 
                                                        Group Plc (L&G)


5.Date of the transaction                               21 January 2008
 (and date on which the 
 threshold is crossed or 
 reached if different):                                                          
                                               
6.Date on which issuer                                  22 January 2008
  notified  

7.Threshold(s) that is/are                              Above 5% (L&G)
  crossed or reached:                                   Above 5% (LGIM)                             
                    
8.Notified details
  A: Voting rights attached to shares

  Class/ type of shares                                 Ordinary shares of  
  and ISIN Code                                         10p each ISIN 
                                                        GB0007389926 
 
  Number of shares prior                                Below 5%  
  to triggering action 

  Number of voting shares                               Below 5%                      
  prior to triggering action  

  Number of voting rights                               Direct 250,960,709
                                                        Indirect 18,152,067

 % of voting rights                                     Direct 4.666     
                                                        Indirect 0.337

B:Financial Instruments    
  Total (A+B)                                           % of voting rights                                
  Number of Voting rights:                              5.00%
  269,112,776                           

9.Chain of controlled undertakings which the voting rights and/or financial 
  instruments are effectively held, if applicable                                                             

  Legal & General Group Plc (Direct and Indirect)(Group)  
 (269,112,776 - 5.00% = Total Position)

 Legal & General Investment Management (Holdings) Limited
 (LGIMH) (Direct and Indirect)(269,112,776 - 5.00% = Total Position)
 
 Legal & General Investment Management Limited (Indirect)(LGIM) 
 (269,112,776 - 5.00% = Total Position)
 
 Legal & General Group Plc (Direct) (L&G) (250,960,709 - 4.66% = 
 LGAS, LGPL & PMC)

 Legal & General Investment Management (Holdings) Limited (Direct) 
 (LGIMHD) (218,624,338 - 4.06% = PMC)                  
          
 Legal & General Insurance Holdings Limited (Direct)(LGIH)
                                                                                                                        
 Legal & General Assurance (Pensions Management) Limited (PMC) 
 (218,624,338 - 4.06% = PMC)     
                         
 Legal & General Assurance Society Limited (LGAS & LGPL)
                                                                                                                        
 Legal & General Pensions Limited (Direct) (LGPL)


10.Name of proxy holder                               N/A   

11.Number of voting rights                            N/A
   proxy holder will cease to hold                                                          
              
12.Date on which proxy holder will                    N/A
   cease to hold voting rights                                                      
             
13.Additional information                            Notification using the 
                                                     total voting rights 
                                                     figure of 5,377,683,100

14.Contact name                                      Martin Charles Murray                  
                                                    (Group Company Secretary, 
                                                     Old Mutual plc)

15.Contact telephone number                         020 7002 7109                    







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