1H 2013 Earnings Presentation

Key Performance Indicators 2013 2012 2009 Mid-Aug Mid-May Mid-Feb June June Rig Count ~1,035 ~1,040 1,065 ~1,200 -1,200 Rig Utilisation -50% -60% 58% -70% -50% Product ~$20M ~$35M $51M ~$62M ~$18M Backlog Headcount -6,300 ~8,000 8,680 -11,400 -6,100 Net Debt¹ -$545M ~$585M $554M -$373M -$750M Positive • • • • Underground business remains stable. Selective R&D investment continues Key Drilling Services project wins Opportunities to take cost out remains. Weaknesses • • • • • Commodity prices volatile. Miners continue to cut costs and pull back on jobs Global rig utilisation continues to decline 2H pricing pressure Additional inventory obsolescence non- cash expense in 2H Focus on reducing cost and paying down debt BOART LONGYEAR 1 Excludes contingent liabilities relevant to determining bank covenant compliance. See footnote #1 and #15 in financial statements. 1H 2013 Earnings Presentation 23

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