Hydro Announces Additional Reserves offshore angola

Hydro Announces Additional Reserves Offshore Angola

08-27-2007

The Angolan national oil company Sociedade Nacional de Combustíveis de Angola E.P. (Sonangol EP) and Sonangol Pesquisa e Produção S.A. (Sonangol P&P) have announced the discovery of additional reserves in the Gimboa Development Area in the deepwater block 4/05.

The appraisal well, 4-31-11, located west in the block at a water depth of 458 meters, encountered oil in Miocence reservoirs in two adjacent compartments. During a test of Compartment B the well produced 5,346 barrels a day of 26ºAPI. Samples were collected from compartment A. Technical studies of the reserves as an extension

of the Gimboa Project are ongoing.

The Gimboa field, discovered in 2004 by exploration well 4-41-1, is currently under development, with an anticipated production start up in the third quarter of 2008 of approximately 50,000 barrels of oil per day.

Sonangol EP is the Concessionare of block 4/05. The contractor group consists of Sonangol P&P (operator) 50%, Norsk Hydro Quatro AS (20%), Somoil (15%) and ACR (15%).