Rule 8.1- (medOil)

Cairn Energy PLC 10 September 2007 FORM 8.1 DEALINGS BY OFFERORS, OFFEREE COMPANIES OR THEIR ASSOCIATES FOR THEMSELVES OR FOR DISCRETIONARY CLIENTS (Rules 8.1(a) and (b)(i) of the Takeover Code) 1. KEY INFORMATION Name of person dealing (Note 1) Capricorn Petroleum Limited (a subsidiary of Cairn Energy PLC) Company dealt in medOil plc Class of relevant security to which the ORD GBP 0.01 dealings being disclosed relate (Note 2) Date of dealing 10/09/07 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 7,769,000 14.372% (2) Derivatives (other than options) - - (3) Options and agreements to purchase/sell - - Total 7,769,000 14.372% (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of relevant security: Long Short 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 (Note 5) Purchase 4,050,000 23 pence (b) Derivatives transactions (other than options) Product name, Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5) e.g. CFD (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, selling, Number of securities Exercise Type, e.g. Expiry Option money purchasing, to which the option American, e.g. call option varying etc. relates (Note 7) price European etc. date paid/received per unit (Note 5) (ii) Exercising Product name, e.g. call option Number of securities Exercise price per unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction (Note 8) Details Price per unit (if applicable) (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. Is a Supplemental Form 8 attached? (Note 9) (DEL:YES/:DEL)NO Date of disclosure 10/09/07 Contact name Mark Melville Telephone number 0207 618 3772 Name of (DEL:offeree/:DEL)offeror with which associated Capricorn Petroleum Limited Specify category and nature of associate status (Note 10) Connected Advisor Notes The Notes on Form 8.1 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk This information is provided by RNS The company news service from the London Stock Exchange
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