TULLOW OIL PLC ORD GBP0.10 revenue for the last year amounted to 1.28 B GBP, the most of which — 1.05 B GBP — came from its highest performing source at the moment, Ghana, the year earlier bringing 1.28 B GBP. The greatest contribution to the revenue figure was made by Ghana — last year it brought TULLOW OIL PLC ORD GBP0.10 1.05 B GBP, and the year before that — 1.28 B GBP.