FIRST AFRICA OIL PLC

IJ.

1. The EVO 7 well was the only well that reported concentrations of H2S.

2. You hire a FPSO on the basis of no H2S then find out you have a well that produces it.

Ooooop's all of a sudden your FPSO is not suitable or requires expensive modifications.

3. The costs of H2S are mainly related to the type of material and equipment required and this has a big impact when considering the cost of offshore installations.

4. The other costs are related to onshore treatment to remove the sulphur.