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            | 
                    Closing price on 1/28/2013
                 |  |  
    
        |           
                
                    | Open | 19.30 |  
                    | High | 19.60 |  
                    | Low | 19.10 |  
                    | Volume | 138,310 |  
                    | Split-adjusted Price | 7.74 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 1/10/2013 | +0.20 / +1.11% | 18.20 | 18.30 | 18.00 | 18.20 | 18.20 | 7.38 | 54,630 |   |  
            | 1/9/2013 | -0.20 / -1.10% | 18.10 | 18.70 | 18.00 | 18.00 | 18.00 | 7.30 | 169,320 |   |  			
            | 1/8/2013 | +0.20 / +1.11% | 17.90 | 18.20 | 17.90 | 18.20 | 18.20 | 7.38 | 100,520 |   |  
            | 1/7/2013 | -0.10 / -0.55% | 18.10 | 18.80 | 18.00 | 18.00 | 18.00 | 7.30 | 167,240 |   |  			
            | 1/4/2013 | +0.20 / +1.12% | 17.80 | 18.20 | 17.80 | 18.10 | 18.10 | 7.34 | 28,000 |   |  
            | 1/3/2013 | -0.70 / -3.76% | 18.60 | 18.60 | 17.80 | 17.90 | 17.90 | 7.26 | 60,120 |   |  			
            | 1/2/2013 | +0.20 / +1.09% | 18.40 | 18.70 | 18.40 | 18.60 | 18.60 | 7.54 | 56,600 |   |  
            | 12/28/2012 | +0.30 / +1.66% | 17.90 | 18.40 | 17.80 | 18.40 | 18.40 | 7.46 | 93,280 |   |  			
            | 12/27/2012 | 0.00 / 0.00% | 18.00 | 18.50 | 17.80 | 18.10 | 18.10 | 7.34 | 208,360 |   |  
            | 12/26/2012 | +0.50 / +2.84% | 17.80 | 18.10 | 17.60 | 18.10 | 18.10 | 7.34 | 34,810 |   |  			
            | 12/25/2012 | -0.30 / -1.68% | 18.00 | 18.20 | 17.60 | 17.60 | 17.60 | 7.13 | 88,870 |   |  
            | 12/24/2012 | +0.80 / +4.68% | 17.20 | 17.90 | 17.20 | 17.90 | 17.90 | 7.26 | 182,270 |   |  			
            | 12/21/2012 | -0.30 / -1.72% | 17.40 | 17.40 | 17.10 | 17.10 | 17.10 | 6.93 | 25,590 |   |  
            | 12/20/2012 | -0.10 / -0.57% | 17.30 | 17.50 | 17.20 | 17.40 | 17.40 | 7.05 | 24,190 |   |  			
            | 12/19/2012 | +0.50 / +2.94% | 17.30 | 17.50 | 17.10 | 17.50 | 17.50 | 7.09 | 39,880 |   |  
            | 12/18/2012 | -0.30 / -1.73% | 17.30 | 17.30 | 17.00 | 17.00 | 17.00 | 6.89 | 40,000 |   |  			
            | 12/17/2012 | 0.00 / 0.00% | 17.30 | 17.50 | 17.30 | 17.30 | 17.30 | 7.01 | 23,350 |   |  
            | 12/14/2012 | -0.20 / -1.14% | 17.40 | 17.60 | 17.30 | 17.30 | 17.30 | 7.01 | 12,960 |   |  |