ARCH COAL INC

CUSIP: 039380100 Class: COM

E. Ohman J:or Asset Management AB's Holding History (CIK: 0002009396)

Note: Option positions (PUT/CALL) are excluded.

Q1 2012
Shares 3,200 Value ($000) $34 Avg Close — Range —
Q4 2011
Shares 3,200 Value ($000) $46 Avg Close — Range —
Q3 2011
Shares 3,200 Value ($000) $47 Avg Close — Range —
Q2 2011
Shares 3,200 Value ($000) $85 Avg Close — Range —
Q1 2011
Shares 3,200 Value ($000) $116 Avg Close — Range —
Q4 2010
Shares 1,500 Value ($000) $53 Avg Close — Range —
Q3 2010
Shares 1,500 Value ($000) $40 Avg Close — Range —
Q2 2010
Shares 1,500 Value ($000) $30 Avg Close — Range —
Q1 2010
Shares 1,500 Value ($000) $34 Avg Close — Range —
Q4 2009
Shares 1,500 Value ($000) $33 Avg Close — Range —
Q3 2009
Shares 1,500 Value ($000) $33 Avg Close — Range —
Q2 2009
Shares 1,500 Value ($000) $23 Avg Close — Range —
Q4 2008
Shares 1,500 Value ($000) $24 Avg Close — Range —
Q3 2008
Shares 1,500 Value ($000) $49 Avg Close — Range —
Q2 2008
Shares 1,500 Value ($000) $113 Avg Close — Range —
Q1 2008
Shares 1,500 Value ($000) $65 Avg Close — Range —
Q4 2007
Shares 1,500 Value ($000) $67 Avg Close — Range —
Q3 2007
Shares 1,500 Value ($000) $51 Avg Close — Range —
Q2 2007
Shares 1,500 Value ($000) $52 Avg Close — Range —
Q1 2007
Shares 1,500 Value ($000) $46 Avg Close — Range —
Q4 2006
Shares 1,500 Value ($000) $45 Avg Close — Range —