Killajoules

Ntorya-1 Drilling Update
Solo Oil plc today provides an update on the drilling of the Ntorya-1 exploration well in the Ruvuma Basin onshore in Tanzania.

On the 7 February 2012 it was announced that the drilling had been temporarily suspended at a depth of 2,500 metres pending further evaluation. The evaluation of the intermediate logging data has been completed and it has been decided to continue drilling. An additional target has been identified on the seismic data at a depth of approximately 2,750 metres and the well will now be deepened to test that objective.

Drilling operations have restarted and it is expected that the new target will be reached within a week.

Tullow Tanzania B.V. has not elected to participate in the well deepening activities which will be undertaken by Ndova Resources Limited (Aminex) and Solo. The cost will be shared in proportion to their existing interests.

Orca announces commencement of drilling the first well in its $130 million expansion programme
Orca Exploration Group Inc ("Orca Exploration" or the "Company") announces commencement of the drilling in Tanzania of a new gas production well ("SS-11") on Songo Songo Island. The well is part of a previously announced US$130 million expansion programme to double Orca's production from the Songo Songo field. The programme also includes provision for the drilling of an offshore exploration well at a cost of US$35 million on the Songo Songo West prospect.

Heritage Oil Awarded Further Acreage in Tanzania
Heritage Oil Plc (LSE: HOIL), an independent upstream exploration and production company, announces that it has been awarded a further Production Sharing Agreement (“PSA”) in Tanzania. Heritage is the operator with 100% interest.

Update on drilling of the Ntorya-1 exploration well
Aminex PLC (‘Aminex’ or the ‘Company’) today announces an update on drilling of the Ntorya-1 exploration well in the Ruvuma Basin onshore in Tanzania.

Deepsea Metro I commenced drilling campaign in Tanzania
The Deepsea Metro I has commenced its drilling programme for BG Group in Tanzania.

COMMENCEMENT OF TANZANIAN DRILLING PROGRAMME AND OPERATIONAL UPDATE
Ophir announces the start of its 2012 drilling programme in Tanzania with the drillship Odfjell Metro-1. The first three wells in the programme will be Jodari-1, Mzia-1 (previously named 1W) and Papa-1 (previously named 3A).

Launch of Vivo Energy signals new era for African energy
Vivo Energy, the company formed by Vitol, Helios Investment Partners and Shell to distribute and market Shell-branded fuels and lubricants across Africa, enters its first day of trading today in 7 countries: Cape Verde, Mauritius, Madagascar, Morocco, Mali, Senegal and Tunisia. Over the next few weeks, the Shell companies in these 7 countries will register their new names, starting today in Morocco, where Societe Shell du Maroc has become Vivo Energy Maroc. All businesses will use Vivo Energy as the name of their corporate entity. Also making its debut today is Shell and Vivo Lubricants, which will manufacture and blend Shell branded lubricants for distribution across Africa. It will market and sell lubricants through exclusive Master Distribution Agreements with Vivo Energy companies.

Orca Exploration announces arrival of drill rig to begin $130 million Songo Songo field expansion
Orca Exploration Group Inc. ("Orca" or the "Company") announces that it has today taken delivery of the Sakson PR5 drilling rig at Songo Songo Island enabling the Company to begin work on its US$130 million drilling and development program in Tanzania.

Heritage Oil Awarded Further Acreage in Tanzania
Heritage Oil Plc (LSE: HOIL), an independent upstream exploration and production company, announces that it has been awarded a further Production Sharing Agreement (“PSA”) in Tanzania and is the operator with 100% interest.

Aminex - TANZANIA PRODUCTION SHARING AGREEMENT SIGNED
Aminex PLC (“Aminex” or the “Company”) announces today that it has signed a new Production Sharing Agreement (‘PSA’) with the Tanzanian Minister of Energy & Minerals granting it the right to explore for oil and gas over 1,690 km² in the Nyuni area off the coast of Tanzania in the Indian Ocean.