M&G Income Inv. Co

Holding(s) in Company


TR-1 (i) NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached (ii):

M&G Income Investment Company Limited

2. Reason for the notification                                  State          
                                                                Yes/No         
                                                                               
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 the notification  Prudential plc group of 
obligation (iii):                                             companies        
                                                                               
4. Full name of shareholder(s) (if different from 3.)   See attached schedule  
(iv):                                                                          
                                                                               
5. Date of the transaction (and date on which the          10 October 2008     
threshold is crossed                                                           
or reached if different) (v):                                                  
                                                                               
6. Date on which issuer notified:                          13 October 2008     
                                                                               
7. Threshold(s) that is/are crossed or reached:                  68%           
                                                                               
8. Notified details:                                                           
                                                                               

A: Voting rights attached to shares

 Class/type  Situation previous to     Resulting situation after the triggering    
 of shares      the Triggering                    transaction (vii)                
if possible    transaction (vi)                                                    
 using the                                                                         
 ISIN CODE                                                                         
                                                                                   
               Number     Number     Number     Number of voting     % of voting   
                 of         of         of         rights (ix)           rights     
               Shares     Voting     shares                                        
                          Rights                                                   
                          (viii)                                                   
                                                                                   
                                     Direct     Direct    Indirect Direct  Indirect
                                                  (x)       (xi)                   
                                                                                   
GB0030826969 93,812,871 93,812,871 93,788,108 93,788,108           67.99%          
                                                                                   

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

   Type of     Expiration      Exercise/        Number of voting    % of voting
  financial    date (xiii)     Conversion      rights that may be     rights   
 instrument                   Period/ Date      acquired if the                
                                 (xiv)             instrument                  
                                             is exercised/converted            
                                                                               
     N/A           N/A            N/A                 N/A               N/A    

Total (A+B)                                                                    
                                                                               
Number of voting rights                 % of voting rights                     
                                                                               
93,788,108                              67.99%                                 

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

Prudential plc (parent Company)                                                
                                                                               
M&G Group Limited (wholly owned subsidiary of Prudential plc)                  
                                                                               
M&G Limited (wholly owned subsidiary of M&G Group Limited)                     
                                                                               
M&G Investment Management Limited (wholly owned subsidiary of M&G Limited)     

Proxy Voting:

10. Name of the proxy holder:                                 N/A              
                                                                               
11. Number of voting rights proxy holder will cease to hold:  N/A              
                                                                               
12. Date on which proxy holder will cease to hold voting      N/A              
rights:                                                                        

13. Additional information:                                                    
                                                                               
14. Contact name:                                          Dipesh Varsani      
                                                                               
                                                           M&G Investment      
                                                                               
                                                           Management Limited  
                                                                               
15. Contact telephone number:                              020 7548 3261       

Notifiable Position Report as @ 10 October 2008

Percentage holdings are calculated using an issued share capital of 137,934,708
PACKAGE UNIT (2 ORD & 1ZDP) shares.

                    Registered Holder                 Holding           %      
                                                                               
Prudential PLC                                      93,788,108        67.99    
                                                                               
                    NORTRUST NOMS LTD A/C MVC01                                
                                                                               
M&G Group Limited                                   93,788,108        67.99    
                                                                               
                    NORTRUST NOMS LTD A/C MVC01                                
                                                                               
M&G Investment                                      93,788,108        67.99    
Management Limited                                                             
                                                                               
                    NORTRUST NOMS LTD A/C MVC01                                
                                                                               
M&G Limited                                         93,788,108        67.99    
                                                                               
                    NORTRUST NOMS LTD A/C MVC01                                

C: Additional information

Kleinwort Benson (Channel Islands) Fund Services Limited                       
                                                                               
Secretary                                                                      
                                                                               
01481 727111