Retirement Of Director

Tullow Oil PLC 31 March 2008 News release Retirement of Matthew O'Donoghue, General Manager Projects 31 March 2008 - Matthew O'Donoghue, aged 63, will retire as General Manager Projects, and from the Board of Tullow, with effect from today. Matthew joined Tullow in 1987 as General Manager in Senegal and was appointed to the Board in 1998. During his career, spanning over 35 years in the oil and gas business, he has held a number of senior management positions both in Tullow and with Schlumberger Wireline working in Europe, Africa and the Middle East. In recent years, as General Manager Projects, Matthew has successfully managed Tullow's Contracts and Procurement function and guided a number of Tullow's developments from sanction through to first production. These projects included the Group's first offshore operated development, Horne and Wren in the UK Southern North Sea, and most recently, gas developments in Pakistan and Bangladesh. Matthew will however maintain close links with Tullow in retirement and the Group will continue to benefit from his experience and expertise through a consultancy agreement. Commenting today, Aidan Heavey, Chief Executive of Tullow said: 'Matt has given outstanding service to Tullow for over 21 years. He has been a central figure in Tullow's growth since the first project in Senegal through to the major development we are now commencing on the Jubilee field in Ghana. I would like to personally thank him for the incredible commitment and dedication he has shown during each of his roles in Tullow and for the major contribution he has made to the success of the company. We all wish him well in retirement.' For further information contact: Tullow Oil plc Citigate Dewe Rogerson Murray Consultants (+44 20 8996 1000) (+44 20 7638 9571) (+353 1 498 0300) Tom Hickey Martin Jackson Joe Murray Chris Perry Kate Delahunty Notes to Editors Tullow is a leading independent oil & gas, exploration and production group, quoted on the London and Irish Stock Exchanges (symbol: TLW) and is a constituent of the FTSE 100 Index. The Group has interests in over 100 exploration and production licences across 23 countries and focuses on four core areas: Europe, Africa, South Asia and South America. Tullow's European interests are primarily focused on gas in the UK Southern North Sea where it has significant interests in the Caister-Murdoch System and the Thames-Hewett areas and operates over 70% of its production. In Africa, Tullow has exploration and production in Gabon, Cote d'Ivoire, Mauritania and Equatorial Guinea and two large appraisal and development programmes in Ghana and Uganda. Tullow also has exploration interests in Mauritania, Senegal, Congo (DRC), Tanzania, Madagascar, Namibia and Angola. In South Asia, Tullow has exploration and production in Pakistan and Bangladesh and high impact exploration activities in India. In South America Tullow has high impact exploration interests in Trinidad and Tobago, French Guiana and Suriname. For further information please refer to our website at www.tullowoil.com This information is provided by RNS The company news service from the London Stock Exchange

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