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                    Closing price on 9/13/2011
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                    | Open | 23.90 |  
                    | High | 24.20 |  
                    | Low | 23.90 |  
                    | Volume | 17,700 |  
                    | Split-adjusted Price | 8.77 |  
                
             | 
 |  AAM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/13/2011 | +0.30 / +1.26% | 23.90 | 24.20 | 23.90 | 24.20 | 24.20 | 8.77 | 17,700 |   |  
            | 9/12/2011 | -0.10 / -0.42% | 24.00 | 24.00 | 23.90 | 23.90 | 23.90 | 8.66 | 6,000 |   |  			
            | 9/9/2011 | 0.00 / 0.00% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 8.70 | 1,700 |   |  
            | 9/8/2011 | +0.20 / +0.84% | 24.00 | 24.90 | 23.90 | 24.00 | 24.00 | 8.70 | 13,540 |   |  			
            | 9/7/2011 | -0.20 / -0.83% | 24.00 | 24.00 | 23.80 | 23.80 | 23.80 | 8.63 | 13,580 |   |  
            | 9/6/2011 | 0.00 / 0.00% | 24.20 | 24.20 | 23.70 | 24.00 | 24.00 | 8.70 | 2,110 |   |  			
            | 9/5/2011 | +0.10 / +0.42% | 24.30 | 24.30 | 24.00 | 24.00 | 24.00 | 8.70 | 2,100 |   |  
            | 9/1/2011 | +0.90 / +3.91% | 22.20 | 24.10 | 22.20 | 23.90 | 23.90 | 8.66 | 14,400 |   |  			
            | 8/31/2011 | -0.40 / -1.71% | 22.30 | 23.30 | 22.30 | 23.00 | 23.00 | 8.34 | 6,800 |   |  
            | 8/30/2011 | +0.50 / +2.18% | 23.50 | 23.50 | 23.40 | 23.40 | 23.40 | 8.48 | 11,010 |   |  			
            | 8/29/2011 | +0.10 / +0.44% | 22.50 | 22.90 | 22.50 | 22.90 | 22.90 | 8.30 | 11,190 |   |  
            | 8/26/2011 | 0.00 / 0.00% | 22.80 | 22.80 | 22.80 | 22.80 | 22.80 | 8.26 | 3,100 |   |  			
            | 8/25/2011 | 0.00 / 0.00% | 22.50 | 22.80 | 22.00 | 22.80 | 22.80 | 8.26 | 2,910 |   |  
            | 8/24/2011 | -0.20 / -0.87% | 21.90 | 22.80 | 21.90 | 22.80 | 22.80 | 8.26 | 3,000 |   |  			
            | 8/23/2011 | 0.00 / 0.00% | 23.00 | 23.00 | 23.00 | 23.00 | 23.00 | 8.34 | 2,400 |   |  
            | 8/22/2011 | +0.10 / +0.44% | 22.90 | 23.00 | 22.90 | 23.00 | 23.00 | 8.34 | 10,400 |   |  			
            | 8/19/2011 | +0.40 / +1.78% | 22.80 | 22.90 | 22.00 | 22.90 | 22.90 | 8.30 | 1,800 |   |  
            | 8/18/2011 | +0.30 / +1.35% | 23.10 | 23.20 | 22.50 | 22.50 | 22.50 | 8.15 | 2,450 |   |  			
            | 8/17/2011 | +0.20 / +0.91% | 22.20 | 22.20 | 22.20 | 22.20 | 22.20 | 8.05 | 700 |   |  
            | 8/16/2011 | +0.60 / +2.80% | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 7.97 | 1,010 |   |  			
            | 8/15/2011 | -1.10 / -4.89% | 22.20 | 22.20 | 21.40 | 21.40 | 21.40 | 7.76 | 550 |   |  
            | 8/12/2011 | +0.60 / +2.74% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 8.15 | 100 |   |  			
            | 8/11/2011 | -0.10 / -0.45% | 21.50 | 21.90 | 21.50 | 21.90 | 21.90 | 7.94 | 4,500 |   |  
            | 8/10/2011 | 0.00 / 0.00% | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 7.97 | 1,500 |   |  			
            | 8/9/2011 | 0.00 / 0.00% | 21.10 | 22.00 | 21.00 | 22.00 | 22.00 | 7.97 | 780 |   |  
            | 8/8/2011 | 0.00 / 0.00% | 22.00 | 22.00 | 21.20 | 22.00 | 22.00 | 7.97 | 3,300 |   |  			
            | 8/5/2011 | 0.00 / 0.00% | 21.90 | 22.00 | 21.90 | 22.00 | 22.00 | 7.97 | 6,000 |   |  
            | 8/4/2011 | -0.10 / -0.45% | 22.00 | 22.00 | 22.00 | 22.00 | 22.00 | 7.97 | 3,100 |   |  			
            | 8/3/2011 | +0.10 / +0.45% | 22.10 | 22.10 | 22.10 | 22.10 | 22.10 | 8.01 | 2,500 |   |  
            | 8/2/2011 | -0.50 / -2.22% | 22.40 | 22.50 | 22.00 | 22.00 | 22.00 | 7.97 | 5,000 |   |  |