Holding(s) in Company

Diploma PLC
03 December 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:

     Diploma PLC

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

     Lincoln Vale European Master Fund, L.P
     Philip A. Cooper
     Managing Partner
     By: Lincoln Vale General Partner L.P.
     Acting by its General Partners, Lincoln Vale European Partners GP LLC


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

     Lincoln Vale European Partners Master Fund, L.P.

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

     November 30, 2007

 
6.   Date on which issuer notified:

     December 3, 2007


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

     5.0%

 
8.   Notified details:


A:   Voting rights attached to shares

 
Class/type of shares            Situation previous to  
if possible using the           the Triggering         
ISIN CODE                       transaction        

                       Number of shares       Number of voting Rights 
                                                                
GB0001826634           959,173                959,173                   
                        
 

Resulting situation after the triggering transaction 
 
Class/type of shares Number of shares Number of voting rights % of voting rights  
                                       
if possible using                                                                 
the ISIN CODE                                                                         
                     Direct           Direct      Indirect    Direct    Indirect  

GB0001826634         1,144,780        1,144,780               5.05%                                               


                        
B:   Financial Instruments

     Resulting situation after the triggering transaction 

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

Number of voting rights       % of voting rights 

1,144,780                     5.05%                                               


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

     The voting interest of Lincoln Vale European Partners Master Fund, L.P. is 
     entirely attributed to Lincoln Vale European Partners GP LLC, acting by its
     General Partner, Lincoln Vale General Partner L.P.

     LEGAL ADDRESSES                            BUSINESS ADDRESSES

     Lincoln Vale European Partners             Lincoln Vale European Partners 
     Master Fund, L.P.                          Master Fund, L.P.
     PO Box 309GT, Ugland House                 55 Old Bedford Road
     South Church Street, George Town           Lincoln, MA 01773
     Grand Cayman                               U.S.A
     Cayman Islands
     
     Lincoln Vale European                      Lincoln Vale European 
     Partners GP LLC                            Partners GP LLC
     PO Box 309GT, Ugland House                 55 Old Bedford Road
     South Church Street, George Town           Lincoln, MA 01773
     Grand Cayman                               U.S.A
     Cayman Islands 


Proxy Voting:
 

10.  Name of the proxy holder:


 

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:


 

14.  Contact name:

     Joseph A Zadlo
     Associate, Lincoln Vale LLC

 
15.  Contact telephone number:

     +1.781.541.6382


 

                      This information is provided by RNS
            The company news service from the London Stock Exchange