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            | 
                    Closing price on 1/4/2013
                 |  |  
    
        |           
                
                    | Open | 17.80 |  
                    | High | 18.20 |  
                    | Low | 17.80 |  
                    | Volume | 28,000 |  
                    | Split-adjusted Price | 7.34 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 12/13/2012 | 0.00 / 0.00% | 17.50 | 17.50 | 17.30 | 17.50 | 17.50 | 7.09 | 29,270 |   |  
            | 12/12/2012 | +0.10 / +0.57% | 17.20 | 17.60 | 17.20 | 17.50 | 17.50 | 7.09 | 48,640 |   |  			
            | 12/11/2012 | 0.00 / 0.00% | 17.40 | 17.50 | 17.20 | 17.40 | 17.40 | 7.05 | 18,880 |   |  
            | 12/10/2012 | +0.30 / +1.75% | 17.50 | 17.50 | 17.20 | 17.40 | 17.40 | 7.05 | 52,650 |   |  			
            | 12/7/2012 | 0.00 / 0.00% | 17.10 | 17.20 | 17.00 | 17.10 | 17.10 | 6.93 | 21,610 |   |  
            | 12/6/2012 | 0.00 / 0.00% | 17.50 | 17.50 | 17.00 | 17.10 | 17.10 | 6.93 | 24,610 |   |  			
            | 12/5/2012 | 0.00 / 0.00% | 17.10 | 17.60 | 17.10 | 17.10 | 17.10 | 6.93 | 70,210 |   |  
            | 12/4/2012 | +0.20 / +1.18% | 16.90 | 17.10 | 16.80 | 17.10 | 17.10 | 6.93 | 17,070 |   |  			
            | 12/3/2012 | +0.10 / +0.60% | 16.70 | 16.90 | 16.70 | 16.90 | 16.90 | 6.85 | 6,170 |   |  
            | 11/30/2012 | -0.40 / -2.33% | 17.00 | 17.00 | 16.80 | 16.80 | 16.80 | 6.81 | 7,330 |   |  			
            | 11/29/2012 | +0.40 / +2.38% | 17.00 | 17.20 | 16.70 | 17.20 | 17.20 | 6.97 | 16,900 |   |  
            | 11/28/2012 | 0.00 / 0.00% | 17.40 | 17.40 | 16.80 | 16.80 | 16.80 | 6.81 | 14,140 |   |  			
            | 11/27/2012 | +0.10 / +0.60% | 16.70 | 16.80 | 16.50 | 16.80 | 16.80 | 6.81 | 23,380 |   |  
            | 11/26/2012 | -0.60 / -3.47% | 16.90 | 16.90 | 16.60 | 16.70 | 16.70 | 6.77 | 52,680 |   |  			
            | 11/23/2012 | -0.20 / -1.14% | 17.30 | 17.60 | 17.10 | 17.30 | 17.30 | 7.01 | 39,200 |   |  
            | 11/22/2012 | -0.10 / -0.57% | 17.70 | 17.90 | 17.30 | 17.50 | 17.50 | 7.09 | 42,370 |   |  |