Ann: Guinea Bissau Exploration Update , page-14

between the lines

de-risk the positioning of future wells on prospects already identified within the blocks. The work is due for completion during February 2011.

In order to enable the program to be conducted on an appropriate time frame the Council of Ministers for the Republic of Guinea Bissau has communicated a 2 year extension to both the Sinapa and Esperanca Licences until 25 November 2012.

thoroughly appraised and understood utilising further seismic and later drilling before any declaration of commerciality can be made.

2D seismic the purpose of which is to improve data quality over the Sinapa discovery as well as over several undrilled prospects in the blocks.

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