Invitation - Boliden's Interim Report, January - March 2010

Boliden will release its Interim Report for January - March 2010 on Tuesday, 27th April 2010. In conjunction herewith, it is our pleasure to invite you to participate in a conference call and to attend a presentation, during which Boliden's President and CEO, Mr. Lennart Evrell, and CFO, Mr. Johan Fant, will present the Interim Report.

Conference call (Eng) Tuesday, 27th April at 12.30 (CET)

To participate in the conference call, choose one of the following options:

1. Telephone: Dial-in

Dial one of the following numbers a few minutes prior to the start:

- from Sweden +46 (0)8-505 598 53

- from abroad +44 (0)203 043 24 36

2. Visit Boliden's website at www.boliden.com

Presentation (Eng) Wednesday, 28th April

Time: 09:00 (CET)

Venue: Klara Strand Konferens, Lundqvist & Lindqvist, Room Hörsalen

Address: Klarabergsviadukten 90, Stockholm

To participate, please register with:

Martti Metso, ZVM Tel: +46 708 69 31 59 or via E-mail: [email protected]

The presentation will also be broadcast live on Boliden's website at www.boliden.com.

Welcome!

Further questions:

Please contact Frans Benson, Investor Relations, Boliden: Tel: +46 (0)8 610 15 23.

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