Holding(s) in Company

Diploma PLC
05 October 2007




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):

Diploma plc

 

2. Reason for the notification (please tick the appropriate box or boxes):
 

An acquisition or disposal of voting rights:                               ( X )
 

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 obligation (iii):

Aviva plc & its subsidiaries

 

4. Full name of shareholder(s) (if different from 3.) (iv):


Registered Holder:

BNY Norwich Union Nominees Limited          109,294*

Chase GA Group Nominees Limited             387,147*

Chase Nominees Limited                       38,514*

CUIM Nominees Limited                       123,437*

Vidacos Nominees Limited                      6,377*



*donates direct interest



5. Date of the transaction and date on which the threshold is crossed or reached
if different) (v):

03 October 2007

 
6. Date on which issuer notified:

04 October 2007


7. Threshold(s) that is/are crossed or reached:

3% to 2% Change at Direct Interest Level

 
8. Notified details:


A: Voting rights attached to shares
 
Class/type of shares            Situation previous to  
                                the Triggering
if possible using the           transaction (vi)         
ISIN CODE                              

                       Number of shares       Number of voting Rights 
                                              (viii)                  

Ordinary Shares                                                                      
 
GB0001826634           1,132,019              1,132,019
                                              
                        
 

Resulting situation after the triggering transaction (vii)
 
Class/type of shares Number of shares  Number of voting rights      % of voting rights  
                                       (ix)
if possible using                                                                 
the ISIN CODE                                                                         
                     Direct            Direct (x)  Indirect (xi)    Direct    Indirect  

Ordinary Shares 
                                                                                      
GB0001826634         664,769           664,769     Not              2.94%     Not
                                                   Disclosable                Disclosable
                        




B: Financial Instruments

Resulting situation after the triggering transaction (xii)

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

                                     N/A                                                                                
     


Total (A+B)

Number of voting rights       % of voting rights 
                                        
664,769                       2.94%

                                        

 

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


                              See Section 4
 



Proxy Voting:
 

10. Name of the proxy holder:

See Section 4


 

11. Number of voting rights proxy holder will cease to hold:



 

12. Date on which proxy holder will cease to hold voting rights:



 

13. Additional information:

Figures are based on a total number of voting rights of 22,647,911.

 

14. Contact name:

Neil Whittaker

 
15. Contact telephone number:

01603 684420




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