Company:  ARCH COAL INC (ACI)
Form Type:  8-K
Filing Date:  5/17/2012 
CIK:  0001037676 
Address:  CITY PLACE ONE STE 300
ARCH MINERAL CORP
 
City, State, Zip:  ST LOUIS, Missouri 63141 
Telephone:  (314) 994-2700 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$4.43  
Change: 
-0.125 (-2.75%)  
Trade Time: 
02:27 PM EST  
Market Cap: 
$939.48M
Description of Business
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  FORM 8-K
    SECTION 1 BUSINESS AND OPERATIONS
      Item 1.01 Entry into a Material Definitive Agreement.
    SECTION 2 FINANCIAL INFORMATION
      Item 2.03 Creation of a Direct ...
    SECTION 7 REGULATION FD
      Item 7.01 Regulation FD.
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01 Financial Statements and Exhibits.
    Signatures
    Exhibit Index
  EXHIBIT 10.1
  EXHIBIT 99.1
BROKERAGE PARTNERS