Rule 8.3 - BURREN ENERGY

FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATION Name of person dealing BARCLAYS PLC (Note 1) Company dealt in BURREN ENERGY Class of relevant security ORD GBP0.20 to which the dealings being disclosed relate (Note 2) Date of dealing 03 January 2008 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 3,930,739 2.79% 5,263 0.00% securities (2) Derivatives 4,991 0.00% 155,245 0.11% (other than options) (3) Options and 0 0.00% 0 0.00% agreements to purchase/sell Total 3,935,730 2.79% 160,508 0.11% (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 of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of Securities Price per unit (GBP) Purchase 9,927 12.1900 Purchase 10,103 12.1976 Purchase 2,866 12.1900 Purchase 2,185 12.1984 Purchase 1,383 12.1920 Purchase 176 12.6260 Purchase 5,086 12.1700 Purchase 7,237 12.2006 Purchase 1,383 12.1920 Purchase 10,103 12.1976 Purchase 2,185 12.1984 Sale 9,927 12.1900 Sale 7,237 12.2006 Sale 176 12.6260 Sale 10,103 12.1976 Sale 1,383 12.1920 Sale 2,185 12.1984 Sale 2,866 12.1900 Sale 9,927 12.1900 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 2866 12.19 CFD Short 1383 12.192 CFD Short 2185 12.1983 CFD Short 7237 12.2006 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call selling, securities to price American, date paid/received option purchasing, which the option European etc. per unit (GBP) varying etc. relates (GBP) (ii) Exercising Product name, e.g. Number of Exercise price per call option securities unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (Note 8) (if applicable) (Note 5) 4. OTHER INFORMATION None 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. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 04 January 2008 Contact name Geoff Smith Telephone number 020 7116 2913 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

Companies

Barclays (BARC)
UK 100

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