Olmert3... ''5% to 50%''Depending on total output''
''Algeria, one of Africa’s largest oil and natural gas exporters, will levy the new tax starting in 2007. Depending on total output, the excess profits tax will range from 5% to 50%''
''The Petroleum Revenue Tax was abolished in 1993 but still applies to North Sea oil and gas fields that began operating before then. The PRT, together with the 50% special corporation tax rate on North Sea output, brings the marginal tax rate paid by those fields to 75%.''