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                    Closing price on 2/16/2012
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                    | Open | 12.30 |  
                    | High | 12.60 |  
                    | Low | 12.30 |  
                    | Volume | 54,950 |  
                    | Split-adjusted Price | 4.71 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/16/2012 | +0.10 / +0.81% | 12.30 | 12.60 | 12.30 | 12.40 | 12.40 | 4.71 | 54,950 |   |  
            | 2/15/2012 | 0.00 / 0.00% | 12.30 | 12.70 | 12.20 | 12.30 | 12.30 | 4.68 | 79,280 |   |  			
            | 2/14/2012 | +0.50 / +4.24% | 12.00 | 12.30 | 11.80 | 12.30 | 12.30 | 4.68 | 102,610 |   |  
            | 2/13/2012 | -0.60 / -4.84% | 12.00 | 12.40 | 11.80 | 11.80 | 11.80 | 4.49 | 87,320 |   |  			
            | 2/10/2012 | -0.40 / -3.13% | 12.50 | 12.80 | 12.40 | 12.40 | 12.40 | 4.71 | 88,560 |   |  
            | 2/9/2012 | -0.20 / -1.54% | 13.40 | 13.40 | 12.70 | 12.80 | 12.80 | 4.87 | 34,480 |   |  			
            | 2/8/2012 | +0.40 / +3.17% | 12.70 | 13.10 | 12.50 | 13.00 | 13.00 | 4.94 | 60,590 |   |  
            | 2/7/2012 | 0.00 / 0.00% | 12.60 | 13.00 | 12.60 | 12.60 | 12.60 | 4.79 | 32,940 |   |  			
            | 2/6/2012 | -0.30 / -2.33% | 12.50 | 13.00 | 12.50 | 12.60 | 12.60 | 4.79 | 30,250 |   |  
            | 2/3/2012 | -0.50 / -3.73% | 13.80 | 13.80 | 12.80 | 12.90 | 12.90 | 4.90 | 57,540 |   |  			
            | 2/2/2012 | +0.60 / +4.69% | 12.80 | 13.40 | 12.80 | 13.40 | 13.40 | 5.09 | 59,750 |   |  
            | 2/1/2012 | -0.30 / -2.29% | 13.00 | 13.20 | 12.70 | 12.80 | 12.80 | 4.87 | 116,590 |   |  			
            | 1/31/2012 | +0.10 / +0.77% | 13.40 | 13.50 | 13.00 | 13.10 | 13.10 | 4.98 | 39,360 |   |  
            | 1/30/2012 | 0.00 / 0.00% | 13.00 | 13.00 | 12.50 | 13.00 | 13.00 | 4.94 | 30,990 |   |  			
            | 1/20/2012 | +0.40 / +3.17% | 12.90 | 13.00 | 12.30 | 13.00 | 13.00 | 4.94 | 59,240 |   |  
            | 1/19/2012 | +0.60 / +5.00% | 12.30 | 12.60 | 12.20 | 12.60 | 12.60 | 4.79 | 46,450 |   |  			
            | 1/18/2012 | +0.20 / +1.69% | 11.80 | 12.30 | 11.80 | 12.00 | 12.00 | 4.56 | 65,580 |   |  
            | 1/17/2012 | +0.20 / +1.72% | 11.80 | 12.10 | 11.70 | 11.80 | 11.80 | 4.49 | 58,670 |   |  			
            | 1/16/2012 | +0.50 / +4.50% | 11.10 | 11.60 | 11.10 | 11.60 | 11.60 | 4.41 | 108,070 |   |  
            | 1/13/2012 | +0.30 / +2.78% | 10.80 | 11.10 | 10.80 | 11.10 | 11.10 | 4.22 | 28,290 |   |  			
            | 1/12/2012 | -0.40 / -3.57% | 11.10 | 11.20 | 10.80 | 10.80 | 10.80 | 4.11 | 43,100 |   |  
            | 1/11/2012 | 0.00 / 0.00% | 11.00 | 11.40 | 11.00 | 11.20 | 11.20 | 4.26 | 10,580 |   |  			
            | 1/10/2012 | +0.40 / +3.70% | 10.80 | 11.20 | 10.60 | 11.20 | 11.20 | 4.26 | 40,020 |   |  
            | 1/9/2012 | +0.30 / +2.86% | 10.30 | 10.80 | 10.30 | 10.80 | 10.80 | 4.11 | 46,690 |   |  			
            | 1/6/2012 | -0.30 / -2.78% | 10.60 | 10.80 | 10.50 | 10.50 | 10.50 | 3.99 | 50,490 |   |  
            | 1/5/2012 | -0.20 / -1.82% | 11.00 | 11.00 | 10.80 | 10.80 | 10.80 | 4.11 | 24,950 |   |  			
            | 1/4/2012 | 0.00 / 0.00% | 10.90 | 11.00 | 10.80 | 11.00 | 11.00 | 4.18 | 4,530 |   |  
            | 1/3/2012 | -0.10 / -0.90% | 11.50 | 11.50 | 11.00 | 11.00 | 11.00 | 4.18 | 11,740 |   |  			
            | 12/30/2011 | +0.50 / +4.72% | 10.90 | 11.10 | 10.70 | 11.10 | 11.10 | 4.22 | 33,690 |   |  
            | 12/29/2011 | -0.30 / -2.75% | 11.20 | 11.20 | 10.60 | 10.60 | 10.60 | 4.03 | 15,160 |   |  |