Norsk Hydro - Primary Insiders Purchase Shares

Norsk Hydro ASA's primary insiders have subscribed for shares under a general arrangement offered to the employees of Norsk Hydro ASA each year. Following a good share price development for the Hydro share during 2007, all employees in Norway are being offered to purchase shares valued at NOK 20,000 with a 50 percent discount. The offer consists of 266 shares at NOK 37.57 per share.

The allocation will be in the form of a sale of Hydro's own shares and the actual allocation is expected to be done in the beginning of May.

The following primary insiders have under the above mentioned scheme subscribed for shares:

- President and CEO Eivind Reiten, subscribed for 266 shares, new holding is 80,722 shares.
- Executive Vice President John Ove Ottestad, subscribed for 266 shares, new holding is 61,707 shares.
- Executive Vice President Torstein Dale Sjøtveit, subscribed for 266 shares, new holding is 20,378 shares.
- Executive Vice President Svein Richard Brandtzæg, subscribed for 266 shares, new holding is 22,117 shares.
- Executive Vice President Jørgen C. Arentz Rostrup, subscribed for 266 shares, new holding is 1,662 shares.
- Executive Vice President Tom Røtjer, subscribed for 266 shares, new holding is 8,532 shares.
- Executive Vice President Odd Ivar Biller, subscribed for 266 shares, new holding is 13,872 shares.
- Executive Vice President Anne Harris, subscribed for 266 shares, new holding is 6,402 shares.
- Company Secretary Hans Martin Heikvam, subscribed for 266 shares, new holding is 517 shares.
- Employee representative to the Board of Directors Billy Fredagsvik, subscribed for 266 shares, new holding is 592 shares.
- Employee representative to the Board of Directors Jørn B. Lilleby, subscribed for 266 shares, new holding is 767 shares.
- Employee representative to the Board of Directors Sten Roar Martinsen, subscribed for 266 shares, new holding is 402 shares.

Any closely related parties are included.

Web: http://www.hydro.com