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                    Closing price on 7/13/2012
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                    | Open | 22.50 |  
                    | High | 22.60 |  
                    | Low | 22.50 |  
                    | Volume | 6,930 |  
                    | Split-adjusted Price | 3.38 |  
                
             | 
 |  ACC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/13/2012 | +0.10 / +0.45% | 22.50 | 22.60 | 22.50 | 22.50 | 22.50 | 3.38 | 6,930 |   |  
            | 7/12/2012 | 0.00 / 0.00% | 22.50 | 22.50 | 21.90 | 22.40 | 22.40 | 3.37 | 2,670 |   |  			
            | 7/11/2012 | +0.20 / +0.90% | 22.60 | 22.60 | 21.90 | 22.40 | 22.40 | 3.37 | 8,810 |   |  
            | 7/10/2012 | -0.30 / -1.33% | 22.00 | 22.20 | 21.70 | 22.20 | 22.20 | 3.34 | 22,580 |   |  			
            | 7/9/2012 | -0.20 / -0.88% | 22.90 | 22.90 | 21.80 | 22.50 | 22.50 | 3.38 | 2,590 |   |  
            | 7/6/2012 | 0.00 / 0.00% | 22.60 | 22.70 | 22.50 | 22.70 | 22.70 | 3.41 | 5,360 |   |  			
            | 7/5/2012 | 0.00 / 0.00% | 22.70 | 22.70 | 22.70 | 22.70 | 22.70 | 3.41 | 0 |   |  
            | 7/4/2012 | 0.00 / 0.00% | 22.70 | 22.70 | 22.70 | 22.70 | 22.70 | 3.41 | 0 |   |  			
            | 7/3/2012 | +0.50 / +2.25% | 22.20 | 22.70 | 22.00 | 22.70 | 22.70 | 3.41 | 3,820 |   |  
            | 7/2/2012 | -0.60 / -2.63% | 22.00 | 22.20 | 22.00 | 22.20 | 22.20 | 3.34 | 7,520 |   |  			
            | 6/29/2012 | +0.30 / +1.33% | 22.90 | 22.90 | 22.50 | 22.80 | 22.80 | 3.43 | 620 |   |  
            | 6/28/2012 | +0.10 / +0.45% | 22.50 | 22.50 | 22.40 | 22.50 | 22.50 | 3.38 | 12,740 |   |  			
            | 6/27/2012 | +0.10 / +0.45% | 22.90 | 23.20 | 22.40 | 22.40 | 22.40 | 3.37 | 29,900 |   |  
            | 6/26/2012 | -0.20 / -0.89% | 22.50 | 22.60 | 22.30 | 22.30 | 22.30 | 3.35 | 18,370 |   |  			
            | 6/25/2012 | 0.00 / 0.00% | 22.10 | 23.00 | 22.10 | 22.50 | 22.50 | 3.38 | 21,040 |   |  
            | 6/22/2012 | -0.70 / -3.02% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 3.38 | 1,050 |   |  			
            | 6/21/2012 | +0.20 / +0.87% | 23.00 | 23.20 | 22.90 | 23.20 | 23.20 | 3.49 | 7,440 |   |  
            | 6/20/2012 | +0.30 / +1.32% | 22.70 | 23.00 | 22.70 | 23.00 | 23.00 | 3.46 | 22,700 |   |  			
            | 6/19/2012 | -0.30 / -1.30% | 22.90 | 23.00 | 22.70 | 22.70 | 22.70 | 3.41 | 11,340 |   |  
            | 6/18/2012 | +0.10 / +0.44% | 23.30 | 23.30 | 22.90 | 23.00 | 23.00 | 3.46 | 10,100 |   |  			
            | 6/15/2012 | 0.00 / 0.00% | 22.90 | 23.10 | 22.80 | 22.90 | 22.90 | 3.44 | 20,010 |   |  
            | 6/14/2012 | +0.20 / +0.88% | 22.70 | 22.90 | 22.50 | 22.90 | 22.90 | 3.44 | 1,130 |   |  			
            | 6/13/2012 | +0.20 / +0.89% | 22.50 | 23.00 | 22.50 | 22.70 | 22.70 | 3.41 | 10,860 |   |  
            | 6/12/2012 | -0.10 / -0.44% | 23.40 | 23.40 | 22.50 | 22.50 | 22.50 | 3.38 | 32,930 |   |  			
            | 6/11/2012 | 0.00 / 0.00% | 23.20 | 23.20 | 22.60 | 22.60 | 22.60 | 3.40 | 4,260 |   |  
            | 6/8/2012 | 0.00 / 0.00% | 22.60 | 23.70 | 22.60 | 22.60 | 22.60 | 3.40 | 50,240 |   |  			
            | 6/7/2012 | +0.40 / +1.80% | 22.20 | 23.10 | 22.20 | 22.60 | 22.60 | 3.40 | 5,970 |   |  
            | 6/6/2012 | +0.90 / +4.23% | 20.70 | 22.30 | 20.70 | 22.20 | 22.20 | 3.34 | 19,120 |   |  			
            | 6/5/2012 | -0.70 / -3.18% | 22.00 | 22.00 | 20.90 | 21.30 | 21.30 | 3.20 | 2,730 |   |  
            | 6/4/2012 | 0.00 / 0.00% | 22.00 | 22.00 | 20.90 | 22.00 | 22.00 | 3.31 | 37,410 |   |  |