Norsk Hydro : Sale of shares to employees

Norsk Hydro employees have purchased shares under a general arrangement offered to employees employed by Norsk Hydro in Norway each year.

All employees employed by Norsk Hydro in Norway have been offered to purchase shares valued at NOK 25 000 with a 50 percent discount. 92 percent of the employees entitled to the offer have subscribed, and have each been allocated 511 shares at NOK 24.41 per share. The total number of shares allocated and transferred on May 2, 2017 is 1 729 735.

Norsk Hydro ASA holds 24 300 928 own shares after this transaction and the number of outstanding shares are 2 044 697 348.

With reference to the stock exchange announcement as of April 3, 2017, the following primary insiders have under the above-mentioned scheme each purchased 511 shares:

- President and CEO Svein Richard Brandtzæg, new holding is 231,475. - Executive Vice President and CFO Eivind Kallevik, new holding is 50,535 - Executive Vice President Arvid Moss, new holding is 147,203 - Executive Vice President Hilde Merete Aasheim, new holding is 82,287 - Executive Vice President Anne-Lene Midseim, new holding is 21,221 - Executive Vice President Inger Sethov, new holding is 19,184 - Executive Vice President Hanne Simensen, new holding is 19,646 - Executive Vice President Kjetil Ebbesberg, new holding is 47,857 - Employee representative to the Board of Directors Billy Fredagsvik, new holding is 4,587 - Employee representative to the Board of Directors Ove Ellefsen, new holding is 8,972 - Employee representative to the Board of Directors Sten Roar Martinsen, new holding is 5,643 - Company Secretary Hans Eide Aarre, new holding is 2,061

Investor contact Contact Even Simonsen Cellular +47 97953364 E-mail Even.Simonsen@hydro.com Press contact Contact Halvor Molland Cellular +47 92979797 E-mail Halvor.Molland@hydro.com

Cautionary note Certain statements included in this announcement contain forward-looking information, including, without limitation, information relating to (a) forecasts, projections and estimates, (b) statements of Hydro management concerning plans, objectives and strategies, such as planned expansions, investments, divestments, curtailments or other projects, (c) targeted production volumes and costs, capacities or rates, start-up costs, cost reductions and profit objectives, (d) various expectations about future developments in Hydro's markets, particularly prices, supply and demand and competition, (e) results of operations, (f) margins, (g) growth rates, (h) risk management, and (i) qualified statements such as "expected", "scheduled", "targeted", "planned", "proposed", "intended" or similar.

Although we believe that the expectations reflected in such forward-looking statements are reasonable, these forward-looking statements are based on a number of assumptions and forecasts that, by their nature, involve risk and uncertainty. Various factors could cause our actual results to differ materially from those projected in a forward-looking statement or affect the extent to which a particular projection is realized. Factors that could cause these differences include, but are not limited to: our continued ability to reposition and restructure our upstream and downstream businesses; changes in availability and cost of energy and raw materials; global supply and demand for aluminium and aluminium products; world economic growth, including rates of inflation and industrial production; changes in the relative value of currencies and the value of commodity contracts; trends in Hydro's key markets and competition; and legislative, regulatory and political factors.

No assurance can be given that such expectations will prove to have been correct.  Hydro disclaims any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

This information is subject of the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.