Holding(s) in Company

BowLeven Plc
13 September 2007



TR-1:         NOTIFICATION OF MAJOR INTERESTS IN SHARES


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

Bowleven 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:

BlackRock, Inc.
 

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


 

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

7th September 2007
 

6. Date on which issuer notified:

11th September 2007
 

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

Gone above 13%
 

8. Notified details:


A: Voting rights attached to shares


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

                       Number of shares       Number of voting Rights 

GB00B04PYL99           8,990,395              8,990,395 


 

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  

GB00B04PYL99           N/A                N/A        10,411,691       N/A      13.95%
 




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 

10,411,691                    13.95%

 

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

BlackRock Investment Management (UK) Limited - 10,411,691  (13.95%)
 



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:


 

15. Contact telephone number:



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