Attached files

file filename
10-Q - FORM 10-Q - ARCH RESOURCES, INC.c63924e10vq.htm
EX-12.1 - EX-12.1 - ARCH RESOURCES, INC.c63924exv12w1.htm
EX-31.2 - EX-31.2 - ARCH RESOURCES, INC.c63924exv31w2.htm
EX-32.2 - EX-32.2 - ARCH RESOURCES, INC.c63924exv32w2.htm
EX-31.1 - EX-31.1 - ARCH RESOURCES, INC.c63924exv31w1.htm
EXCEL - IDEA: XBRL DOCUMENT - ARCH RESOURCES, INC.Financial_Report.xls
         
Exhibit 32.1
Certification of Periodic Financial Reports
     I, Steven F. Leer, Chairman and Chief Executive Officer of Arch Coal, Inc., certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
     (1) the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2011 (the “Periodic Report”) which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
     (2) information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Arch Coal, Inc.
         
     
  /s/ Steven F. Leer    
  Steven F. Leer   
  Chairman and Chief Executive Officer

Date: May 4, 2011
 

34