Secondary Listing on Ghana Stock Exchange

RNS Number : 5055H

Tullow Oil PLC

31 May 2011

News Release

Tullow to launch Secondary Listing and Share Offer on Ghana Stock Exchange

31 May 2011 - Tullow Oil plc (Tullow) today announces its plans for a secondary listing of its shares on the Ghana Stock Exchange (GSE) and an offering of 4,000,000 Tullow shares in Ghana.

The offer of Tullow shares on the GSE will give everyone in Ghana the opportunity to apply for shares in Tullow and to share in the future performance of Tullow's operations across its global portfolio of assets. This listing and share offer further demonstrates Tullow's long-term commitment to Ghana.

The share price for the offer will be announced on Monday 13 June 2011. Shares can be applied for between 13 June 2011 and 4 July 2011 through Tullow's sponsoring broker, IC Securities (Ghana) Limited or visiting any branch of Standard Chartered or Agricultural Development Bank in Ghana or the office of any of the authorised receiving agents, see www.tullowoil.com/ghana for more information.

Tullow expects to publish a prospectus which further describes the secondary listing and share offer under Ghanaian law on 13 June 2011. Any decision to invest in shares which form part of the offer should only be made on the basis of information set out in that prospectus.

Commenting today, Aidan Heavey, Chief Executive, said:

"Tullow is fortunate to have played a pivotal role in delivering First Oil from the word-class Jubilee field, offshore Ghana. We would like everyone in Ghana to have the opportunity to invest in the future performance of Tullow, especially as we embark upon further exciting exploration and development activities in Ghana and across our global portfolio. With the support of the Ghana Stock Exchange, the Securities and Exchange Commission and Ghanaian advisers and banks, we are making our shares accessible to anyone in Ghana who wishes to take part in the share offer."

Tullow Group Overview

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 90 exploration and production licences across 22 countries and focuses on four core areas: Africa, Europe, South Asia and South America.

In Africa, Tullow has production in Ghana, Gabon, Côte d'Ivoire, Mauritania, Congo (Brazzaville) and Equatorial Guinea with two large appraisal and development programmes in Ghana and Uganda. Tullow also has exploration interests in Gabon, Côte d'Ivoire, Liberia, Sierra Leone, Mauritania, Senegal, Tanzania, Madagascar, Namibia, Kenya and Ethiopia.

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 area. The company also has interests offshore the Netherlands.

In South Asia, Tullow has exploration and production in Bangladesh and exploration interests in Pakistan. In South America, Tullow has exploration interests in Guyana, French Guiana and Suriname.

For further information please refer to our website at www.tullowoil.com.

About Tullow Ghana

Tullow Oil plc, through its subsidiary, Tullow Ghana Limited, has interests in two exploration blocks in Ghana - Deepwater Tano and West Cape Three Points. Tullow is the operator of the Jubilee field, which straddles both blocks, and lies approximately 60 kilometres off the coast of Ghana. The Jubilee field was discovered in 2007 and First Oil was celebrated on 15 December 2010 following first initial production in November. Gross production has increased to over 70,000 bopd. Plateau production of 120,000 bopd is expected to be reached in July this year as the remaining four production wells are completed and brought on line. Jubilee is a world-class oil field with estimated recoverable resources of up to 1 billion barrels. In addition to Jubilee, Tullow has also discovered the Enyenra and Tweneboa fields which are currently being appraised and a comprehensive exploration programme is also ongoing.

FOR FURTHER INFORMATION CONTACT:

Tullow Ghana Limited
(+233 (0) 302 742200)

Dai Jones

Ike Duker

Gayheart Mensah

IC Securities (Ghana) Limited
(+233 (0) 302 252 623

Kwabena Osei-Boateng
Jeff Foli

Kojo Boama

FOR FURTHER CORPORATE INFORMATION CONTACT:

Tullow Oil plc
(+44 20 3249 9000)

Ian Springett

Chris Perry