Holding(s) in Company

RNS Number:6562D
MedOil PLC
11 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:

medOil plc

2. Reason for the notification (please state Yes/No):

An acquisition or disposal of voting rights: Yes

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: No

An event changing the breakdown of voting rights: No

Other (please specify): No

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

Capricorn Petroleum Limited (a subsidiary of Cairn Energy PLC)

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

N/A

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

7 September 2007

6. Date on which issuer notified:

7 September 2007

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

Above 3%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible Situation previous to the triggering transaction
using the ISIN CODE
Number of Shares Number of Voting Rights
Ordinary Shares Nil Nil

GB00B04M7K05

Resulting situation after the triggering transaction

Class/type of shares if Number of Shares Number of Voting Rights % of Voting Rights
possible using the ISIN CODE
Direct Indirect Direct Indirect

Ordinary Shares 3,719,000 3,719,000 Nil 6.88% Nil

GB00B04M7K05

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Date Exercise/Conversion Period Number of Voting Rights that % of Voting
financial / Date may be acquired if the
instrument instrument is exercised/ Rights
converted.

N/A N/A N/A N/A N/A

Total (A+B)

Number of Voting Rights % of Voting Rights

3,719,000 6.88%

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

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: