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                    Closing price on 8/1/2013
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        |           
                
                    | Open | 23.80 |  
                    | High | 24.90 |  
                    | Low | 23.50 |  
                    | Volume | 80,680 |  
                    | Split-adjusted Price | 10.37 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/1/2013 | +0.70 / +2.94% | 23.80 | 24.90 | 23.50 | 24.50 | 24.50 | 10.37 | 80,680 |   |  
            | 7/31/2013 | -0.10 / -0.42% | 24.00 | 24.00 | 23.70 | 23.80 | 23.80 | 10.07 | 22,180 |   |  			
            | 7/30/2013 | +0.70 / +3.02% | 23.50 | 24.10 | 23.50 | 23.90 | 23.90 | 10.12 | 39,910 |   |  
            | 7/29/2013 | -0.30 / -1.28% | 23.80 | 23.80 | 23.10 | 23.20 | 23.20 | 9.82 | 47,710 |   |  			
            | 7/26/2013 | -0.50 / -2.08% | 24.00 | 24.10 | 23.40 | 23.50 | 23.50 | 9.95 | 71,870 |   |  
            | 7/25/2013 | +0.50 / +2.13% | 23.50 | 24.20 | 23.30 | 24.00 | 24.00 | 10.16 | 58,370 |   |  			
            | 7/24/2013 | -0.30 / -1.26% | 23.90 | 24.00 | 23.40 | 23.50 | 23.50 | 9.95 | 23,180 |   |  
            | 7/23/2013 | +0.50 / +2.15% | 23.40 | 23.80 | 23.20 | 23.80 | 23.80 | 10.07 | 72,460 |   |  			
            | 7/22/2013 | +0.30 / +1.30% | 23.10 | 23.40 | 23.00 | 23.30 | 23.30 | 9.86 | 42,520 |   |  
            | 7/19/2013 | +0.30 / +1.32% | 23.00 | 23.40 | 22.80 | 23.00 | 23.00 | 9.73 | 63,910 |   |  			
            | 7/18/2013 | 0.00 / 0.00% | 22.90 | 23.00 | 22.60 | 22.70 | 22.70 | 9.61 | 22,180 |   |  
            | 7/17/2013 | +0.10 / +0.44% | 22.60 | 22.90 | 22.50 | 22.70 | 22.70 | 9.61 | 26,270 |   |  			
            | 7/16/2013 | 0.00 / 0.00% | 22.60 | 23.00 | 22.60 | 22.60 | 22.60 | 9.56 | 13,810 |   |  
            | 7/15/2013 | -0.10 / -0.44% | 23.40 | 23.40 | 22.60 | 22.60 | 22.60 | 9.56 | 32,760 |   |  			
            | 7/12/2013 | +0.20 / +0.89% | 22.20 | 22.80 | 22.20 | 22.70 | 22.70 | 9.61 | 16,020 |   |  
            | 7/11/2013 | +0.30 / +1.35% | 22.30 | 22.50 | 22.10 | 22.50 | 22.50 | 9.52 | 21,800 |   |  			
            | 7/10/2013 | -0.50 / -2.20% | 23.00 | 23.00 | 22.20 | 22.20 | 22.20 | 9.40 | 16,600 |   |  
            | 7/9/2013 | +0.20 / +0.89% | 22.50 | 22.70 | 22.30 | 22.70 | 22.70 | 9.61 | 33,420 |   |  			
            | 7/8/2013 | -0.40 / -1.75% | 22.50 | 22.50 | 22.30 | 22.50 | 22.50 | 9.52 | 6,220 |   |  
            | 7/5/2013 | -0.30 / -1.29% | 23.00 | 23.10 | 22.60 | 22.90 | 22.90 | 9.69 | 2,390 |   |  			
            | 7/4/2013 | +0.70 / +3.11% | 22.80 | 23.50 | 22.80 | 23.20 | 23.20 | 9.82 | 23,290 |   |  
            | 7/3/2013 | 0.00 / 0.00% | 22.50 | 22.80 | 22.50 | 22.50 | 22.50 | 9.52 | 50,010 |   |  			
            | 7/2/2013 | 0.00 / 0.00% | 22.80 | 22.80 | 22.50 | 22.50 | 22.50 | 9.52 | 60,200 |   |  
            | 7/1/2013 | -0.50 / -2.17% | 22.70 | 22.70 | 22.50 | 22.50 | 22.50 | 9.52 | 11,440 |   |  			
            | 6/28/2013 | 0.00 / 0.00% | 23.30 | 23.30 | 22.80 | 23.00 | 23.00 | 9.73 | 42,600 |   |  
            | 6/27/2013 | 0.00 / 0.00% | 23.00 | 23.20 | 22.60 | 23.00 | 23.00 | 9.73 | 6,290 |   |  			
            | 6/26/2013 | +1.00 / +4.55% | 22.20 | 23.00 | 22.10 | 23.00 | 23.00 | 9.73 | 41,560 |   |  
            | 6/25/2013 | -1.60 / -6.78% | 23.40 | 23.40 | 22.00 | 22.00 | 22.00 | 9.31 | 185,780 |   |  			
            | 6/24/2013 | -0.90 / -3.67% | 24.90 | 24.90 | 23.00 | 23.60 | 23.60 | 9.99 | 44,040 |   |  
            | 6/21/2013 | +0.10 / +0.41% | 24.00 | 24.50 | 24.00 | 24.50 | 24.50 | 10.37 | 32,550 |   |  |