Cancellation of treasury shares

Cancellation of treasury shares

In accordance with the resolution of the Annual General Meeting, Boliden AB has
on May 26, 2008 cancelled all its treasury shares. By this the share capital has
decreased by SEK 32 million and increased by the same amount through a bonus
issue without issuing new shares.

The number of cancelled shares were 15 946 000 and the number of shares
outstanding in Boliden after this is 273 511 169.

For further information, please contact:

Stefan Lundewall, Investor Relations, Boliden AB, phone +46 8 610 15 20, +46 702
083 213
Marcela Sylvander, Manager Group Communications, Boliden AB, phone +46 8 610 15
59,
+46 733 244 551


www.boliden.com

Boliden is a leading European metals company whose core competence is in the
fields of exploration, mining, smelting and recycling. Boliden's main metals are
zinc and copper. Other important metals extracted and refined include lead, gold
and silver. The operations are conducted in three Business Areas: Market,
Smelters and Mines. The number of employees is approximately 4 500 and the
turnover amounts to approximately EUR 3.6 billion annually. Its shares are
listed on Stockholmsbörsen's Large Cap list and on the Toronto Stock Exchange in
Canada.