Holding(s) in Company

Alkane Energy PLC
12 August 2005


ALKANE ENERGY PLC (the 'Company')

12 AUGUST 2005

NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Name of Company:
Alkane Energy plc

2. Name of shareholder having a major interest:
Apax Partners

3. Please state whether notification indicates that it is in respect of holding 
of the shareholder named in 2 above or in respect of a non-beneficial interest 
or in the case of an individual holder if it is a holding of that person's 
spouse or children under the age of 18 Persons in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of 
shares held by each of them:
Apax (OCS) Nominees Limited  on behalf of Apax UK V - A, L.P., and Apax UK V - B

5. Number of shares/amount of stock acquired:
N/a

6. Percentage of issued class:
N/a

7. Number of shares/amount of stock disposed:
10,000,000

8. Percentage of issued class:
11.005%

9. Class of security:
Ordinary shares of 0.5p each

10.Date of transaction:
9 August 2005

11.Date company informed:
12 August 2005

12.Total holding following this notification:
TOTAL 23,626,000

13.Total percentage holding of issued class following this notification:
TOTAL 26.00%

14.Any additional information:
N/a

15.Name of contact and telephone number for queries:
Steve Goalby, [phone]

16.Name of company official responsible for making this notification:
Steve Goalby, Finance Director

Date of notification:
12/08/05

ENDS







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