SCHEDULES

SCHEDULE 15Oil activities: transferable tax history

PART 2The total TTH amount

4Limits on total TTH amount

The total TTH amount must not exceed the lower of—

a

the uplifted decommissioning costs estimate in relation to the TTH asset, and

b

the total amount of the seller’s eligible ring fence profits for the period—

i

beginning with 17 April 2002, and

ii

ending at the end of the reference accounting period.