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                    Closing price on 4/25/2012
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                    | Open | 25.70 |  
                    | High | 27.00 |  
                    | Low | 25.70 |  
                    | Volume | 18,940 |  
                    | Split-adjusted Price | 10.53 |  
                
             | 
 |  AAM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/25/2012 | -1.00 / -3.65% | 25.70 | 27.00 | 25.70 | 26.40 | 26.40 | 10.53 | 18,940 |   |  
            | 4/24/2012 | +0.30 / +1.11% | 27.00 | 27.40 | 27.00 | 27.40 | 27.40 | 10.45 | 150,820 |   |  			
            | 4/23/2012 | 0.00 / 0.00% | 27.00 | 27.10 | 26.90 | 27.10 | 27.10 | 10.33 | 50,200 |   |  
            | 4/20/2012 | +0.10 / +0.37% | 27.00 | 27.20 | 26.90 | 27.10 | 27.10 | 10.33 | 16,550 |   |  			
            | 4/19/2012 | 0.00 / 0.00% | 27.20 | 27.20 | 26.80 | 27.00 | 27.00 | 10.29 | 26,380 |   |  
            | 4/18/2012 | +0.40 / +1.50% | 26.60 | 27.20 | 26.60 | 27.00 | 27.00 | 10.29 | 43,230 |   |  			
            | 4/17/2012 | +0.40 / +1.53% | 26.30 | 26.60 | 25.90 | 26.60 | 26.60 | 10.14 | 24,920 |   |  
            | 4/16/2012 | 0.00 / 0.00% | 25.70 | 26.20 | 25.70 | 26.20 | 26.20 | 9.99 | 15,340 |   |  			
            | 4/13/2012 | 0.00 / 0.00% | 25.50 | 26.20 | 25.50 | 26.20 | 26.20 | 9.99 | 3,340 |   |  
            | 4/12/2012 | +0.30 / +1.16% | 26.20 | 26.20 | 25.40 | 26.20 | 26.20 | 9.99 | 5,660 |   |  			
            | 4/11/2012 | +0.50 / +1.97% | 25.10 | 26.00 | 25.10 | 25.90 | 25.90 | 9.87 | 2,600 |   |  
            | 4/10/2012 | +0.40 / +1.60% | 25.10 | 25.40 | 25.10 | 25.40 | 25.40 | 9.68 | 107,320 |   |  			
            | 4/9/2012 | 0.00 / 0.00% | 25.20 | 25.20 | 25.00 | 25.00 | 25.00 | 9.53 | 2,790 |   |  
            | 4/6/2012 | 0.00 / 0.00% | 25.20 | 25.20 | 25.00 | 25.00 | 25.00 | 9.53 | 130 |   |  			
            | 4/5/2012 | 0.00 / 0.00% | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 9.53 | 670 |   |  
            | 4/4/2012 | 0.00 / 0.00% | 25.30 | 25.40 | 24.90 | 25.00 | 25.00 | 9.53 | 24,030 |   |  			
            | 4/3/2012 | +0.10 / +0.40% | 24.90 | 25.40 | 24.90 | 25.00 | 25.00 | 9.53 | 6,260 |   |  
            | 3/30/2012 | -0.50 / -1.97% | 25.40 | 25.40 | 24.80 | 24.90 | 24.90 | 9.49 | 1,360 |   |  			
            | 3/29/2012 | +0.10 / +0.40% | 25.30 | 25.40 | 25.30 | 25.40 | 25.40 | 9.68 | 360 |   |  
            | 3/28/2012 | +0.10 / +0.40% | 25.20 | 25.60 | 25.20 | 25.30 | 25.30 | 9.65 | 1,000 |   |  			
            | 3/27/2012 | -0.40 / -1.56% | 25.60 | 25.60 | 24.80 | 25.20 | 25.20 | 9.61 | 3,280 |   |  
            | 3/26/2012 | +0.60 / +2.40% | 25.00 | 26.10 | 25.00 | 25.60 | 25.60 | 9.76 | 3,470 |   |  			
            | 3/23/2012 | 0.00 / 0.00% | 25.40 | 25.40 | 24.70 | 25.00 | 25.00 | 9.53 | 1,990 |   |  
            | 3/22/2012 | -0.20 / -0.79% | 25.00 | 25.00 | 25.00 | 25.00 | 25.00 | 9.53 | 8,180 |   |  			
            | 3/21/2012 | +0.30 / +1.20% | 25.20 | 25.40 | 24.90 | 25.20 | 25.20 | 9.61 | 8,950 |   |  
            | 3/20/2012 | -0.10 / -0.40% | 25.40 | 25.40 | 24.80 | 24.90 | 24.90 | 9.49 | 14,460 |   |  			
            | 3/19/2012 | +0.30 / +1.21% | 25.00 | 25.00 | 24.70 | 25.00 | 25.00 | 9.53 | 8,000 |   |  
            | 3/16/2012 | -0.30 / -1.20% | 24.00 | 25.00 | 24.00 | 24.70 | 24.70 | 9.42 | 32,440 |   |  			
            | 3/15/2012 | 0.00 / 0.00% | 25.00 | 25.00 | 24.60 | 25.00 | 25.00 | 9.53 | 12,490 |   |  
            | 3/14/2012 | 0.00 / 0.00% | 25.20 | 25.20 | 24.80 | 25.00 | 25.00 | 9.53 | 7,390 |   |  |