Boliden: Q1 2015 Interim Report

Regulatory News:

Q1 2015

· Revenues totalled SEK 10,407 million (8,550)

· The operating profit totalled SEK 1,205 million (265)

· The operating profit, excluding the revaluation of process inventory, totalled SEK 1,102 million (385)

· Free cash flow totalled SEK 19 million (-432)

· Earnings per share totalled SEK 3.27 (SEK 0.56)

Improved prices and terms affected by strong USD

· The effect of a stronger USD and improved smelting terms outweighed the impact of lower metal prices.

· Several minor disruptions to Smelters’ processes resulted in lower feed compared to preceding quarter’s very strong production.

· Increased mined production and improved recovery levels at Garpenberg.

· Production levels fell at Aitik due to winter conditions and maintenance work.

· Appeal regarding diesel tax at Aitik was rejected. Boliden continues to pursue appeals.

Please find enclosed the full report. The Interim Report will be presented via a webcast/conference call on Tuesday, 5 May at 09:00 (CET). Information is available at www.boliden.com.

Contact persons for information:

The information provided comprises information that Boliden is obliged to present, pursuant to the Swedish Securities Market Act and/or the Swedish Financial Instruments Trading Act. The information was released for publication on 5 May 2015 at 07:45 (CET).

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