Please see below information about transactions made under the share buy-back
program for Norsk Hydro ASA.

Announcement date of the share buyback program: September 23, 2022

End date of the share buyback program: March 29, 2023

Overview of transactions:

+---------------------+------------------+----------------+--------------------+
|Date                 |Aggregate daily   |Average price   |Total transaction   |
|                     |volume (no. of    |(NOK)           |value (NOK)         |
|                     |shares)           |                |                    |
+---------------------+------------------+----------------+--------------------+
|28.11.2022           |           140 000|           71.87|          10 062 472|
+---------------------+------------------+----------------+--------------------+
|29.11.2022           |           138 000|           72.88|          10 057 385|
+---------------------+------------------+----------------+--------------------+
|30.11.2022           |           135 000|           73.04|           9 860 090|
+---------------------+------------------+----------------+--------------------+
|01.12.2022           |           135 000|           73.03|           9 859 374|
+---------------------+------------------+----------------+--------------------+
|02.12.2022           |           135 000|           72.48|           9 784 611|
+---------------------+------------------+----------------+--------------------+
|Previous transactions|         6 895 000|                |                    |
+---------------------+------------------+----------------+--------------------+
|                     |                  |                |                    |
+---------------------+------------------+----------------+--------------------+
|Total transaction    |                  |                |                    |
|under the program    |         7 578 000|           65.24|         494 405 379|
+---------------------+------------------+----------------+--------------------+

Prior to the share buyback program Norsk Hydro ASA owned a total of 16 452 403
own shares. Following the above listed transactions, Norsk Hydro ASA owns a
total of 24 030 403 shares, corresponding to 1.16% of Norsk Hydro ASA's share
capital.

Attachment: An overview of all the completed transactions under the program for
the dates specified above is attached to this notification and available on
www.newsweb.no.

This is information that Norsk Hydro ASA is obliged to make public pursuant to
the EU Market Abuse Regulation and subject to the disclosure requirements
pursuant to Section 5-12 of the Norwegian Securities Trading Act.


Investor contact:
Line Haugetraa
Head of Investor Relations
+47 41406376
Line.haugetraa@hydro.com

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