Director Dealings

Tullow Oil PLC
09 May 2006



Tullow Oil PLC

9 May 2006



Tullow Oil plc ('Tullow' or 'the Company')



Director Dealings







The Company announces details of the following exercises of options and related
sales of ordinary shares of 10p each ('Ordinary Shares') by certain directors of
the Company:



A)    Graham Martin, General Counsel and an executive director of Tullow, held
options over 916,000 Ordinary Shares which were granted on 13 November 1996
under the terms of the Tullow 1988 Executive Share Option Scheme and exercisable
up to 12 November 2006 with an exercise price of EUR 0.9142 per Ordinary Share.



On 9 May 2006, Mr Martin exercised these 916,000 options and sold 250,000
Ordinary Shares at 435.5p per Ordinary Share to fund the exercise price and a
proportion of the tax and associated transaction costs payable as a consequence
of the exercise and sale. The balance of 666,000 Ordinary Shares has been
retained by Mr Martin.



Following these transactions, Mr Martin's shareholding in the Company has
increased to 1,104,379 Ordinary Shares representing 0.17 per cent of the
Company's issued share capital.



B)    On 9 May 2006, Paul McDade, Chief Operating Officer and an executive
director of Tullow, exercised an option granted on 18 June 2001 over 70,000
Ordinary Shares at an exercise price of 95p per Ordinary Share and sold these
Ordinary Shares at 435.5p.



Following these transactions, Mr McDade continues to hold 15,578 Ordinary Shares
representing 0.002 per cent of the Company's issued share capital.



The exercise and sale of the above options and Ordinary Shares was executed in
the UK and this notification relates to transactions notified in accordance with
Disclosure Rule 3.1.4R(1)(a) and Disclosure Rule 3.1.4(R)(1)(b) a disclosure
made in accordance with section 324 (as extended by section 328) of the
Companies Act 1985.





Inquiries



Tom Hickey



Tullow Oil plc

+ 44 208 996 1000



This announcement has been issued through the Companies Announcement Service of



                            The Irish Stock Exchange






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