Major interests in shares

Old Mutual PLC
28 January 2008

Old Mutual

REG- Old Mutual plc Holding(s) in Company

Ref 23/08

28 January 2008

TR-1:Notification of major interests in 
shares 

1 Identity of the issuer or the underlying             Old Mutual plc
issuer of existing shares to which voting 
rights are attached    
                        
2.Reason for the notification
An acquisition or disposal of voting rights            Yes  
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 to                    Legal & General Group 
the notification obligation:                           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 (and date                   23 January 2008
on which the threshold is crossed 
or reached if different):    
                                              
6.Date on which issuer notified                        25 January 2008

7.Threshold(s) that is/are                             Below 5% (L&G)    
crossed or reached:                                    Below 5% (LGIM)  
                   
8.Notified details       
            
A:Voting rights attached to shares
Class/ type of shares and ISIN Code                   Ordinary shares of 10p 
                                                      each  ISIN GB0007389926

Number of shares prior to triggering                  269,112,776 
action 

Number of voting shares prior to                      269,112,776  
triggering action 

Number of voting rights                               Direct 249,690,041  
                                                      Indirect

% of voting rights                                    Direct 4.64 
                                                      Indirect
     
B:Financial Instruments
Total (A+B)  
Number of Voting rights: 249,690,041

% of voting rights
4.64%

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)  
(249,690,041 - 4.64% = Total Position)

Legal & General Investment Management (Holdings) Limited
(LGIMH) (Direct and Indirect)   (Below 5.00% = Total Position)

Legal & General Investment Management Limited (Indirect)(LGIM)(Below 5.00% 
= Total Position)

Legal & General Group Plc (Direct)(L&G)(249,690,041 - 4.64% = LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited (Direct)(LGIMHD) 
(217,353,670 - 4.04% = PMC)  
                
Legal & General Insurance Holdings Limited (Direct)(LGIH)
        
Legal & General Assurance (Pensions Management) Limited (PMC)(217,353,670 
- 4.04% = 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 proxy                       N/A
holder will cease to hold                                                          
             
12.Date on which proxy holder                           N/A
will cease to hold voting rights                                                      
              
13.Additional information                               Notification using the 
                                                        total voting rights 
                                                        figure of 5,369,783,100
         
14.Contact name                                         Martin Charles Murray 
                                                       (Group Company Secretary,
                                                       Old Mutual plc) 
       
15.Contact telephone number                            020 7002 7109       


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