Company:  AMCOL INTERNATIONAL CORP (ACO)
Form Type:  DEFA14A
Filing Date:  3/21/2012 
CIK:  0000813621 
Address:  2870 FORBS AVENUE 
City, State, Zip:  HOFFMAN ESTATES, Illinois 60192 
Telephone:  (847) 851-1500 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$31.54   		Change: 
0.17 (0.54%)  
Trade Time: 
04:03 PM EST   		Market Cap: 
$1.02B
Description of Business
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  FORM DEFA14A
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