TULLOW OIL PLC

Environmental & Social Information • Sep 26, 2013

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RNS Number : 9262O

Tullow Oil PLC

26 September 2013

News Release

Ekales-1 Oil Discovery in Kenya

26 September 2013 - Tullow Oil plc ("Tullow") is pleased to announce that the Ekales-1 wildcat, located in Block 13T in Northern Kenya, has made a new oil discovery. Results of drilling, wireline logs and samples of reservoir fluid indicate a potential net oil pay in the Auwerwer and Upper Lokone sandstone reservoirs of between 60 and 100 metres. Future flow testing aims to confirm productivity from these zones.

This is the fourth consecutive wildcat discovery, in the first oil basin opened in Northern Kenya, since our drilling commenced in 2012. The Ekales-1 well is located between the Ngamia-1 and Twiga South-1 oil discoveries and the reservoir properties at this location appear similar to those previously encountered. Once operations have completed the rig will move to drill the exploration prospect Amosing-1 south of Ngamia-1.

Tullow operates the Ekales-1 well and Africa Oil (50%) has a non-operated interest.

Elsewhere in Kenya, the Agete-1 well, also in block 13T, commenced drilling in mid-September and we expect a third rig to be operational in Q4 2013.

Angus McCoss, Exploration Director, Tullow Oil plc commented today,

"This success at the Ekales-1 wildcat is further evidence of the exceptional oil potential of our East African Rift Basin acreage. Having opened the first basin with the Ngamia-1 well last year, we are now increasing the pace of exploration in Kenya aiming for 12 wells over the next 12 months."

FOR FURTHER INFORMATION CONTACT:

Tullow Oil plc (London) (+44 20 3249 9000) Chris Perry (Investor Relations) James Arnold (Investor Relations) George Cazenove (Media Relations)	Citigate Dewe Rogerson (London) (+44 207 638 9571) Martin Jackson Jack Rich	Murray Consultants (Dublin) (+353 1 498 0300) Joe Murray Joe Heron

Notes to Editors

Tullow Oil plc

Tullow is a leading independent oil & gas, exploration and production group, quoted on the London, Irish and Ghanaian stock exchanges (symbol: TLW) and is a constituent of the FTSE 100 Index. The Group has interests in over 150 exploration and production licences across 25 countries which are managed as three regional business units: West & North Africa, South & East Africa and Europe, South America and Asia.

Follow Tullow on:

Twitter: www.twitter.com/TullowOilplc                          You Tube: www.youtube.com/TullowOilplc

Facebook: www.facebook.com/TullowOilplc                 LinkedIn: www.linkedin.com/company/Tullow-Oil 

IR App: http://bit.ly/TullowIRapp    

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

This information is provided by RNS

The company news service from the London Stock Exchange

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