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                    Closing price on 2/28/2013
                 |  |  
    
        |           
                
                    | Open | 20.50 |  
                    | High | 20.70 |  
                    | Low | 20.10 |  
                    | Volume | 60,130 |  
                    | Split-adjusted Price | 8.42 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/28/2013 | +0.10 / +0.50% | 20.50 | 20.70 | 20.10 | 20.30 | 20.30 | 8.42 | 60,130 |   |  
            | 2/27/2013 | +0.60 / +3.06% | 19.80 | 20.20 | 19.20 | 20.20 | 20.20 | 8.38 | 105,260 |   |  			
            | 2/26/2013 | -0.40 / -2.00% | 20.00 | 20.50 | 19.60 | 19.60 | 19.60 | 8.13 | 202,260 |   |  
            | 2/25/2013 | +0.30 / +1.52% | 19.70 | 20.20 | 19.50 | 20.00 | 20.00 | 8.29 | 161,660 |   |  			
            | 2/22/2013 | -0.80 / -3.90% | 21.70 | 21.70 | 19.10 | 19.70 | 19.70 | 8.17 | 94,900 |   |  
            | 2/21/2013 | -1.50 / -6.82% | 22.30 | 22.30 | 20.50 | 20.50 | 20.50 | 8.50 | 231,050 |   |  			
            | 2/20/2013 | -0.50 / -2.22% | 21.40 | 22.50 | 21.40 | 22.00 | 22.00 | 9.12 | 220,450 |   |  
            | 2/19/2013 | +0.20 / +0.90% | 22.30 | 22.50 | 21.70 | 22.50 | 22.50 | 9.33 | 369,730 |   |  			
            | 2/18/2013 | +1.40 / +6.70% | 21.60 | 22.30 | 21.50 | 22.30 | 22.30 | 9.04 | 317,440 |   |  
            | 2/8/2013 | +1.30 / +6.63% | 19.70 | 20.90 | 19.70 | 20.90 | 20.90 | 8.47 | 239,680 |   |  			
            | 2/7/2013 | +0.10 / +0.51% | 19.60 | 19.80 | 19.50 | 19.60 | 19.60 | 7.94 | 79,270 |   |  
            | 2/6/2013 | +0.40 / +2.09% | 19.60 | 20.00 | 19.50 | 19.50 | 19.50 | 7.90 | 82,890 |   |  			
            | 2/5/2013 | -0.20 / -1.04% | 19.10 | 19.40 | 19.10 | 19.10 | 19.10 | 7.74 | 87,960 |   |  
            | 2/4/2013 | -0.20 / -1.03% | 19.00 | 19.50 | 18.90 | 19.30 | 19.30 | 7.82 | 35,670 |   |  			
            | 2/1/2013 | -0.10 / -0.51% | 19.50 | 19.70 | 19.30 | 19.50 | 19.50 | 7.90 | 88,170 |   |  
            | 1/31/2013 | +0.70 / +3.70% | 18.90 | 19.60 | 18.80 | 19.60 | 19.60 | 7.94 | 213,920 |   |  			
            | 1/30/2013 | -0.10 / -0.53% | 19.10 | 19.20 | 18.80 | 18.90 | 18.90 | 7.66 | 147,790 |   |  
            | 1/29/2013 | -0.10 / -0.52% | 19.10 | 19.10 | 18.70 | 19.00 | 19.00 | 7.70 | 54,420 |   |  			
            | 1/28/2013 | 0.00 / 0.00% | 19.30 | 19.60 | 19.10 | 19.10 | 19.10 | 7.74 | 138,310 |   |  
            | 1/25/2013 | +0.70 / +3.80% | 18.50 | 19.60 | 18.40 | 19.10 | 19.10 | 7.74 | 171,970 |   |  			
            | 1/24/2013 | +0.40 / +2.22% | 18.30 | 18.40 | 17.90 | 18.40 | 18.40 | 7.46 | 34,600 |   |  
            | 1/23/2013 | +0.10 / +0.56% | 18.00 | 18.00 | 17.80 | 18.00 | 18.00 | 7.30 | 48,040 |   |  			
            | 1/22/2013 | -0.80 / -4.28% | 18.70 | 18.80 | 17.90 | 17.90 | 17.90 | 7.26 | 151,220 |   |  
            | 1/21/2013 | 0.00 / 0.00% | 18.70 | 18.90 | 18.60 | 18.70 | 18.70 | 7.58 | 33,220 |   |  			
            | 1/18/2013 | -0.30 / -1.58% | 18.70 | 19.00 | 18.60 | 18.70 | 18.70 | 7.58 | 80,890 |   |  
            | 1/17/2013 | -0.70 / -3.55% | 19.70 | 19.70 | 18.60 | 19.00 | 19.00 | 7.70 | 149,430 |   |  			
            | 1/16/2013 | -0.20 / -1.01% | 19.90 | 20.10 | 19.50 | 19.70 | 19.70 | 7.98 | 217,600 |   |  
            | 1/15/2013 | +0.30 / +1.53% | 19.80 | 20.10 | 19.50 | 19.90 | 19.90 | 8.07 | 117,380 |   |  			
            | 1/14/2013 | +0.50 / +2.62% | 19.10 | 19.70 | 18.70 | 19.60 | 19.60 | 7.94 | 217,520 |   |  
            | 1/11/2013 | +0.90 / +4.95% | 18.50 | 19.10 | 18.20 | 19.10 | 19.10 | 7.74 | 408,340 |   |  |