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) | Tisbury Capital Management |
| | LLP |
|--------------------------------------+----------------------------|
| Company dealt in | Burren Energy Plc |
|--------------------------------------+----------------------------|
| Class of relevant security to which | |
| the dealings being | 20p ordinary |
| disclosed relate (Note 2) | |
|--------------------------------------+----------------------------|
| Date of dealing | 14 December 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 | | | | |
| | | | | |
|--------------------------------+-----------+-------+--------+-----|
| (2) Derivatives (other than | | | | |
| options) | 3,250,142 | 2.303 | | |
| | | | | |
|--------------------------------+-----------+-------+--------+-----|
| (3) Options | | | | |
| and agreements to | | | | |
| purchase/sell | | | | |
| | | | | |
|--------------------------------+-----------+-------+--------+-----|
| Total | 3,250,142 | 2.303 | | |
| | | | | |
+-------------------------------------------------------------------+
(b) Interests
and short positions in relevant securities of the company, other than
the class
dealt in (Note 3)
+-------------------------------------------------------------------+
| Class of | Long | Short |
| relevant security: | | |
| | | |
|-------------------------------------+--------------+--------------|
| | Number | (%) | Number | (%) |
| | | | | |
|-------------------------------------+--------+-----+--------+-----|
| (1) Relevant securities | | | | |
| | | | | |
|-------------------------------------+--------+-----+--------+-----|
| (2) Derivatives (other than | | | | |
| options) | | | | |
| | | | | |
|-------------------------------------+--------+-----+--------+-----|
| (3) Options | | | | |
| and agreements to purchase/sell | | | | |
| | | | | |
|-------------------------------------+--------+-----+--------+-----|
| Total | | | | |
| | | | | |
+-------------------------------------------------------------------+
(c) Rights to subscribe (Note 3)
+---------------------------------+
| Class | Details |
| of relevant security: | |
| | |
|-----------------------+---------|
| | |
+---------------------------------+
3. DEALINGS (Note 4)
(a) Purchases
and sales
+--------------------------------------------+
| Purchase/sale | Number of | Price per |
| | securities | unit (Note 5) |
|---------------+------------+---------------|
| | | |
| | | |
|---------------+------------+---------------|
| | | |
+--------------------------------------------+
(b) Derivatives transactions (other than options)
+-------------------------------------------------------------------+
| Product | Long/short | Number of securities | Price per unit |
| name, | (Note 6) | (Note 7) | (Note 5) |
| e.g. CFD | | | |
|----------+------------+--------------------------+----------------|
| CFD | Long | 550,000 | 1228.2000 GBp |
|----------+------------+--------------------------+----------------|
| CFD | Long | 450,000 | 1226.1449 GBp |
+-------------------------------------------------------------------+
(c) Options transactions in respect of
existing securities
(i) Writing, selling, purchasing or varying
+------------------------------------------------------------------------------------+
| Product |Writing, selling, |Number of |Exercise|Type, e.g.|Expiry|Option money |
| name, |purchasing, varying|securities |price |American, |Date |paid/received |
|e.g. call|etc. |to which the| |European | |per unit (Note|
| option | |option | |etc. | |5) |
| | |relates | | | | |
| | |(Note 7) | | | | |
|---------+-------------------+------------+--------+----------+------+--------------|
| | | | | | | |
+------------------------------------------------------------------------------------+
(ii) Exercising
+-------------------------------------------------------------------+
| Product name, e.g. | Number of securities | Exercise price per |
| call option | | unit (Note 5) |
| | | |
|--------------------+----------------------+-----------------------|
| | | |
| | | |
+-------------------------------------------------------------------+
(d) Other dealings (including new securities) (Note 4)
+-------------------------------------------------------------------+
| Nature of transaction | Details | Price per unit (if applicable) |
| (Note 8) | | (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. |
|-------------------------------------------------------------------|
| |
| NONE |
| |
+-------------------------------------------------------------------+
Is a Supplemental Form 8 attached? (Note
9) NO
+-------------------------------------------------------------------+
| Date | |
| of disclosure | 17/12/2007 |
|------------------------------------------------+------------------|
| Contact | |
| name | Julien Naginski |
|------------------------------------------------+------------------|
| Telephone | |
| number | +44 20 7268 8642 |
|------------------------------------------------+------------------|
| If a connected EFM, name of offeree/offeror | |
| with | |
| which connected | |
|------------------------------------------------+------------------|
| If | |
| a connected EFM, state nature of 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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