drilling activity update: mauritania, page-2

ROC seem to support HDR earlier statements

It is far too early to provide any precise estimate of the upside potential of the Tiof
discovery but, for what it is worth, ROC’s view is that a large (100-200 MMBO) upside
reserve scenario is plausible, but not yet proven – which is why ROC would be very
supportive of drilling an appraisal well on the Tiof structure as soon as practical.