Rule 8.3- Reuters Group PLC

Aviva PLC
06 July 2007



                                                                   FORM 8.3                                    

   DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE    
                        (Rule 8.3 of the Takeover Code)                        



1. KEY INFORMATION

Name of person dealing (Note 1)   AVIVA PLC AND ITS SUBSIDIARIES
                                        
                                                                               
Company dealt in                  REUTERS GROUP PLC
                                                                               
Class of relevant security to     ORD GBP0.25                                    
which the dealings being                                                       
disclosed relate (Note 2)                                                      
                                                                               
Date of dealing                   05 JULY 2007                                   


2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a) Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                                         Long                    Short         
                                                                               
                                  Number        (%)       Number        (%)    
                                                                               
(1) Relevant securities           15,419,376    1.222%    0              0%
                                                                               
(2) Derivatives (other than          100,000    0.008%    0              0%                    
options)                                                                       
                                                                               
(3) Options and agreements to              0    0%        0              0%          
purchase/sell                                                                  
                                                                               
Total                             15,519,376    1.230%    0              0%




(b) Interests and short positions in relevant securities of the company, other
than the class dealt in (Note 3)

Class of relevant security:              Long                    Short         
                                  Number        (%)       Number        (%)    
                                                                               
(1) Relevant securities           0             0%        0              0%                        
                                                                               
(2) Derivatives (other than       0             0%        0              0%                                     
options)                                                                       
                                                                               
(3) Options and agreements to     0             0%        0              0%                                     
purchase/sell                                                                  
                                                                               
Total                             0             0%        0              0%                                     




(c) Rights to subscribe (Note 3)

Class of relevant security:     Details                                        
                                                                               

3. DEALINGS (Note 4)

(a) Purchases and sales

Purchase/sale              Number of securities      Price per unit (Note 5)   
                                                                               
PURCHASE                   4,500                     GBP6.178791





(b) Derivatives transactions (other than options)

Product name,  Long/short (Note  Number of securities     Price per unit (Note 
e.g. CFD       6)                (Note 7)                 5)                   
                                                                       


                                                                               

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product Writing,       Number of          Exercise Type, e.g.  Expiry Option
name,   selling,       securities to      price    American,   date   money
e.g.    purchasing,    which the option            European           paid/
call    varying etc.   relates (Note 7)            etc.               received
option                                                                per unit
                                                                      (Note 5)
                                                                               

(ii) Exercising

Product name, e.g. call    Number of securities      Exercise price per unit   
option                                               (Note 5)                  
                                                                               


(d) Other dealings (including new securities) (Note 4)

Nature of transaction      Details                   Price per unit (if        
(Note 8)                                             applicable) (Note 5)      
                                                                               

4. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

Full details of any agreement, arrangement or understanding between the person 
disclosing and any other person relating to the voting rights of any relevant  
securities under any option referred to on this form or relating to the voting 
rights or future acquisition or disposal of any relevant securities to which   
any derivative referred to on this form is referenced. If none, this should be 
stated.                                                                        
                                                                               



Is a Supplemental Form 8 attached? (Note 9)     NO



Date of disclosure                              06 JULY 2007                      
                                                                               
Contact name                                    NEIL WHITTAKER
                                                                               
Telephone number                                01603 6894420
                                                                               
If a connected EFM, name of offeree/offeror     N/A                               
with which connected                                                           
                                                                               
If a connected EFM, state nature of             N/A                               
connection (Note 10)                                                           



Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at 
www.thetakeoverpanel.org.uk





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