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                    Closing price on 10/5/2012
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                    | Open | 23.20 |  
                    | High | 23.40 |  
                    | Low | 23.20 |  
                    | Volume | 25,300 |  
                    | Split-adjusted Price | 3.52 |  
                
             | 
 |  ACC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/5/2012 | +0.20 / +0.86% | 23.20 | 23.40 | 23.20 | 23.40 | 23.40 | 3.52 | 25,300 |   |  
            | 10/4/2012 | 0.00 / 0.00% | 23.20 | 23.20 | 23.20 | 23.20 | 23.20 | 3.49 | 18,500 |   |  			
            | 10/3/2012 | 0.00 / 0.00% | 23.20 | 23.20 | 23.10 | 23.20 | 23.20 | 3.49 | 3,900 |   |  
            | 10/2/2012 | -0.20 / -0.85% | 23.40 | 23.40 | 23.20 | 23.20 | 23.20 | 3.49 | 10,450 |   |  			
            | 10/1/2012 | -0.50 / -2.09% | 23.60 | 23.60 | 23.40 | 23.40 | 23.40 | 3.52 | 1,830 |   |  
            | 9/28/2012 | +0.40 / +1.70% | 23.90 | 23.90 | 23.50 | 23.90 | 23.90 | 3.59 | 1,040 |   |  			
            | 9/27/2012 | 0.00 / 0.00% | 23.50 | 23.50 | 23.50 | 23.50 | 23.50 | 3.53 | 100 |   |  
            | 9/26/2012 | -0.20 / -0.84% | 23.60 | 23.60 | 23.50 | 23.50 | 23.50 | 3.53 | 1,300 |   |  			
            | 9/25/2012 | -0.10 / -0.42% | 23.90 | 23.90 | 23.70 | 23.70 | 23.70 | 3.56 | 550 |   |  
            | 9/24/2012 | -0.10 / -0.42% | 23.80 | 23.80 | 23.80 | 23.80 | 23.80 | 3.58 | 10,000 |   |  			
            | 9/21/2012 | +0.40 / +1.70% | 24.00 | 24.00 | 23.50 | 23.90 | 23.90 | 3.59 | 2,030 |   |  
            | 9/20/2012 | -0.30 / -1.26% | 23.90 | 23.90 | 23.50 | 23.50 | 23.50 | 3.53 | 9,910 |   |  			
            | 9/19/2012 | 0.00 / 0.00% | 23.80 | 23.80 | 23.50 | 23.80 | 23.80 | 3.58 | 510 |   |  
            | 9/18/2012 | +0.30 / +1.28% | 23.80 | 23.80 | 23.40 | 23.80 | 23.80 | 3.58 | 17,640 |   |  			
            | 9/17/2012 | +0.10 / +0.43% | 23.50 | 23.50 | 23.40 | 23.50 | 23.50 | 3.53 | 7,620 |   |  
            | 9/14/2012 | +0.10 / +0.43% | 23.40 | 24.00 | 23.40 | 23.40 | 23.40 | 3.52 | 2,610 |   |  			
            | 9/13/2012 | 0.00 / 0.00% | 23.50 | 23.50 | 23.20 | 23.30 | 23.30 | 3.50 | 5,030 |   |  
            | 9/12/2012 | -0.20 / -0.85% | 23.90 | 23.90 | 23.20 | 23.30 | 23.30 | 3.50 | 3,040 |   |  			
            | 9/11/2012 | -0.20 / -0.84% | 23.20 | 23.90 | 23.20 | 23.50 | 23.50 | 3.53 | 13,010 |   |  
            | 9/10/2012 | 0.00 / 0.00% | 23.20 | 23.70 | 23.00 | 23.70 | 23.70 | 3.56 | 6,170 |   |  			
            | 9/7/2012 | +0.50 / +2.16% | 24.10 | 24.10 | 23.30 | 23.70 | 23.70 | 3.56 | 3,710 |   |  
            | 9/6/2012 | -0.80 / -3.33% | 23.40 | 23.90 | 23.20 | 23.20 | 23.20 | 3.49 | 520 |   |  			
            | 9/5/2012 | +0.10 / +0.42% | 23.40 | 24.00 | 23.40 | 24.00 | 24.00 | 3.61 | 1,960 |   |  
            | 9/4/2012 | 0.00 / 0.00% | 24.00 | 24.00 | 23.90 | 23.90 | 23.90 | 3.59 | 2,370 |   |  			
            | 8/31/2012 | -0.10 / -0.42% | 23.90 | 23.90 | 23.90 | 23.90 | 23.90 | 3.59 | 20 |   |  
            | 8/30/2012 | 0.00 / 0.00% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 3.61 | 10,100 |   |  			
            | 8/29/2012 | 0.00 / 0.00% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 3.61 | 230 |   |  
            | 8/28/2012 | 0.00 / 0.00% | 23.80 | 24.00 | 23.80 | 24.00 | 24.00 | 3.61 | 2,220 |   |  			
            | 8/27/2012 | 0.00 / 0.00% | 24.00 | 24.00 | 22.80 | 24.00 | 24.00 | 3.61 | 26,010 |   |  
            | 8/24/2012 | -0.50 / -2.04% | 23.50 | 24.40 | 23.50 | 24.00 | 24.00 | 3.61 | 12,270 |   |  |