Holding(s) in Company

RNS Number:2351H
EnCore Oil PLC
07 November 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):

EnCore Oil plc

2. Reason for the notification

An acquisition or disposal of voting rights:

.3. Full name of person(s) subject to the notification obligation (iii):

Credit Suisse Securities (Europe) Limited

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

N/A

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

5th November 2007

6. Date on which issuer notified:

7th November 2007

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

3%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if  Situation previous to the Triggering transaction (vi)
possible using the ISIN
CODE
                         Number of shares    Number of voting Rights (viii)
GB00B06KL332                    8,244,670                         8,244,670


Resulting situation after the triggering transaction (vii)

Class/type of shares if       Number of   Number of voting    % of voting
possible using the ISIN CODE  shares      rights (ix)         rights
GB00B06KL332                  Direct      Direct    Indirect  Direct    Indirect
                                          (x)       (xi)
                              Below 3%    Below 3%  n/a       Below 3%  n/a
                                                               
                                             
B: Financial Instruments
Resulting situation after the triggering transaction (xii)

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


Total (A+B)
Number of voting rights                      % of voting rights
Below 3%                                     Below 3%


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

n/a

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 rights:
n/a

13. Additional information:
n/a

14. Contact name:
Glenda Burford

15. Contact telephone number:
[phone]


EnCore Oil plc                                   www.encoreoil.co.uk
Eugene Whyms, Chief Financial Officer            [phone]

Aquila Financial Limited                         www.aquila-financial.com
Peter Reilly                                     [phone]
Yvonne Fraser                                    [phone]

Hanson Westhouse Limited
Tim Feather / Matthew Johnson                    [phone]

KBC Peel Hunt
Jonathan Marren                                  [phone]



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