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                    Closing price on 4/20/2011
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                    | Open | 19.90 |  
                    | High | 20.00 |  
                    | Low | 19.80 |  
                    | Volume | 39,400 |  
                    | Split-adjusted Price | 6.66 |  
                
             | 
 |  AAM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/20/2011 | -0.10 / -0.50% | 19.90 | 20.00 | 19.80 | 19.90 | 19.90 | 6.66 | 39,400 |   |  
            | 4/19/2011 | 0.00 / 0.00% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 6.70 | 8,570 |   |  			
            | 4/18/2011 | -0.10 / -0.50% | 20.00 | 20.00 | 19.90 | 20.00 | 20.00 | 6.70 | 24,600 |   |  
            | 4/15/2011 | -0.20 / -0.99% | 20.20 | 20.20 | 20.10 | 20.10 | 20.10 | 6.73 | 7,100 |   |  			
            | 4/14/2011 | +0.30 / +1.50% | 20.00 | 20.30 | 20.00 | 20.30 | 20.30 | 6.80 | 10,210 |   |  
            | 4/13/2011 | -0.50 / -2.44% | 20.50 | 20.50 | 20.00 | 20.00 | 20.00 | 6.70 | 13,360 |   |  			
            | 4/8/2011 | -0.20 / -0.97% | 20.60 | 20.60 | 20.50 | 20.50 | 20.50 | 6.87 | 8,000 |   |  
            | 4/7/2011 | +0.30 / +1.47% | 21.00 | 21.00 | 20.00 | 20.70 | 20.70 | 6.93 | 26,430 |   |  			
            | 4/6/2011 | +0.20 / +0.99% | 20.20 | 20.40 | 20.20 | 20.40 | 20.40 | 6.83 | 24,000 |   |  
            | 4/5/2011 | +0.20 / +1.00% | 20.20 | 20.20 | 20.20 | 20.20 | 20.20 | 6.77 | 10 |   |  			
            | 4/4/2011 | 0.00 / 0.00% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 6.70 | 34,690 |   |  
            | 4/1/2011 | 0.00 / 0.00% | 19.80 | 20.00 | 19.70 | 20.00 | 20.00 | 6.70 | 10,410 |   |  			
            | 3/31/2011 | 0.00 / 0.00% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 6.70 | 27,530 |   |  
            | 3/30/2011 | -0.10 / -0.50% | 20.00 | 20.00 | 19.90 | 20.00 | 20.00 | 6.70 | 12,100 |   |  			
            | 3/29/2011 | 0.00 / 0.00% | 20.20 | 20.20 | 20.00 | 20.10 | 20.10 | 6.73 | 9,600 |   |  
            | 3/28/2011 | 0.00 / 0.00% | 20.30 | 20.30 | 19.80 | 20.10 | 20.10 | 6.73 | 12,050 |   |  			
            | 3/25/2011 | +0.10 / +0.50% | 20.00 | 20.10 | 20.00 | 20.10 | 20.10 | 6.73 | 26,850 |   |  
            | 3/24/2011 | +0.40 / +2.04% | 19.50 | 20.50 | 19.50 | 20.00 | 20.00 | 6.70 | 8,260 |   |  			
            | 3/23/2011 | -0.40 / -2.00% | 20.20 | 20.20 | 19.50 | 19.60 | 19.60 | 6.56 | 20,600 |   |  
            | 3/22/2011 | -0.10 / -0.50% | 19.60 | 20.10 | 19.60 | 20.00 | 20.00 | 6.70 | 2,100 |   |  			
            | 3/21/2011 | +0.50 / +2.55% | 19.40 | 20.20 | 19.40 | 20.10 | 20.10 | 6.73 | 6,430 |   |  
            | 3/18/2011 | 0.00 / 0.00% | 19.40 | 19.60 | 19.40 | 19.60 | 19.60 | 6.56 | 22,330 |   |  			
            | 3/17/2011 | -0.20 / -1.01% | 20.20 | 20.20 | 19.50 | 19.60 | 19.60 | 6.56 | 18,930 |   |  
            | 3/16/2011 | 0.00 / 0.00% | 19.20 | 19.80 | 19.20 | 19.80 | 19.80 | 6.63 | 20,900 |   |  			
            | 3/15/2011 | +0.10 / +0.51% | 19.90 | 19.90 | 19.70 | 19.80 | 19.80 | 6.63 | 8,940 |   |  
            | 3/14/2011 | -0.10 / -0.51% | 19.80 | 20.20 | 19.40 | 19.70 | 19.70 | 6.60 | 9,010 |   |  			
            | 3/11/2011 | +0.10 / +0.51% | 19.70 | 20.20 | 19.70 | 19.80 | 19.80 | 6.63 | 13,370 |   |  
            | 3/10/2011 | +0.20 / +1.03% | 19.00 | 19.70 | 19.00 | 19.70 | 19.70 | 6.60 | 14,200 |   |  			
            | 3/9/2011 | -0.20 / -1.02% | 19.10 | 19.70 | 19.10 | 19.50 | 19.50 | 6.53 | 14,200 |   |  
            | 3/8/2011 | -0.40 / -1.99% | 19.90 | 19.90 | 19.60 | 19.70 | 19.70 | 6.60 | 19,890 |   |  |