Tullow is providing the following update on its operations in Ghana

A 900 sq km high resolution 3D seismic survey is currently in progress as part of the programme to fast-track the appraisal of the Mahogany and Hyedua discoveries. The survey will cover the entire Mahogany / Hyedua accumulation. Discussions are also well advanced to secure rigs for a two well drilling programme planned for the first quarter 2008, and for a further two to four well programme scheduled for the second quarter 2008.