Appointment of Non-Executive Director

News Release

Appointment of Tutu Agyare as a non-executive Director

25 August 2010 - Tullow Oil plc is delighted to announce the appointment of Tutu Agyare as a non-executive Director of the Group with effect from today. Tutu was born in the UK and educated in Ghana and is currently a Managing Partner at Nubuke Investments, an asset management firm focused solely on Africa, which he founded in 2007. Previously, Tutu had a very successful 21-year career with UBS Investment Bank holding a number of senior positions, most recently as the Head of European Emerging Markets and a member of the Investment Bank Board. Tutu brings a wealth of experience to the Tullow Board as the Group continues to expand its business in Africa.

There are no matters requiring disclosure in respect of Tutu Agyare's appointment under paragraph LR 9.6.13 of the Listing Rules of the UK Listing Authority or Rule 6.6.7 of the Irish Stock Exchange Listing Rules.

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ENDS