Quarterly Results

1Q 2013 Arch Coal, Inc. Reports First Quarter 2013 Results Q1 2013 Financial Schedules

4Q 2012 Arch Coal, Inc. Reports Fourth Quarter and Full Year 2012 Results Q4 2012 Financial Schedules

3Q 2012 Arch Coal, Inc. Reports Third Quarter 2012 Results Q3 2012 Financial Schedules

2Q 2012 Arch Coal, Inc. Reports Second Quarter 2012 Results   Q2 2012 Financial Schedules

1Q 2012 Arch Coal, Inc. Reports First Quarter 2012 Results   Q1 2012 Financial Schedules

4Q 2011 Arch Coal, Inc. Reports Fourth Quarter and Full Year 2011 Results   Q4 2011 Financial Schedules

3Q 2011 Arch Coal, Inc. Reports Third Quarter 2011 Results   Q3 2011 Financial Schedules

2Q 2011 Arch Coal, Inc. Reports Second Quarter 2011 Results   Q2 2011 Financial Schedules