Norsk Hydro Purchased 311,000 of its Own Shares

On August 16, 2007, Norsk Hydro ASA purchased 311,000 own shares in the market at a price of NOK 198.63 per share.

The shares were purchased in accordance with a resolution by the Extraordinary General Meeting on July 5, 2007, authorizing buyback of up to 621,895 own shares in the market through September 30, 2007. Shares acquired in accordance with the authorization may only be used for the purpose of fulfillment of the share purchase program for employees.

Hydro has under this authorization repurchased 311,000 shares. In total, Hydro now holds 59,968,675 own shares.