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                    Closing price on 12/7/2012
                 |  |  
    
        |           
                
                    | Open | 17.10 |  
                    | High | 17.20 |  
                    | Low | 17.00 |  
                    | Volume | 21,610 |  
                    | Split-adjusted Price | 6.93 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 11/21/2012 | +0.80 / +4.76% | 17.50 | 17.60 | 17.40 | 17.60 | 17.60 | 7.13 | 268,920 |   |  
            | 11/20/2012 | +0.80 / +5.00% | 16.30 | 16.80 | 16.30 | 16.80 | 16.80 | 6.81 | 128,650 |   |  			
            | 11/19/2012 | -0.10 / -0.62% | 16.00 | 16.20 | 16.00 | 16.00 | 16.00 | 6.49 | 24,590 |   |  
            | 11/16/2012 | +0.10 / +0.63% | 16.10 | 16.20 | 16.10 | 16.10 | 16.10 | 6.53 | 13,160 |   |  			
            | 11/15/2012 | +0.10 / +0.63% | 15.90 | 16.30 | 15.90 | 16.00 | 16.00 | 6.49 | 44,770 |   |  
            | 11/14/2012 | -0.40 / -2.45% | 16.00 | 16.00 | 15.90 | 15.90 | 15.90 | 6.44 | 3,410 |   |  			
            | 11/13/2012 | -0.10 / -0.61% | 16.00 | 16.40 | 16.00 | 16.30 | 16.30 | 6.61 | 40,010 |   |  
            | 11/12/2012 | +0.50 / +3.14% | 16.30 | 16.50 | 16.00 | 16.40 | 16.40 | 6.65 | 36,870 |   |  			
            | 11/9/2012 | 0.00 / 0.00% | 15.80 | 15.90 | 15.70 | 15.90 | 15.90 | 6.44 | 19,630 |   |  
            | 11/8/2012 | -0.30 / -1.85% | 16.10 | 16.10 | 15.90 | 15.90 | 15.90 | 6.44 | 7,710 |   |  			
            | 11/7/2012 | +0.60 / +3.85% | 15.60 | 16.20 | 15.60 | 16.20 | 16.20 | 6.57 | 15,030 |   |  
            | 11/6/2012 | +0.10 / +0.65% | 15.50 | 15.60 | 15.50 | 15.60 | 15.60 | 6.32 | 13,910 |   |  			
            | 11/5/2012 | 0.00 / 0.00% | 15.40 | 15.80 | 15.40 | 15.50 | 15.50 | 6.28 | 17,030 |   |  
            | 11/2/2012 | -0.70 / -4.32% | 15.80 | 15.90 | 15.50 | 15.50 | 15.50 | 6.28 | 75,390 |   |  			
            | 11/1/2012 | +0.10 / +0.62% | 16.10 | 16.50 | 16.10 | 16.20 | 16.20 | 6.57 | 6,560 |   |  
            | 10/31/2012 | +0.10 / +0.63% | 16.00 | 16.20 | 16.00 | 16.10 | 16.10 | 6.53 | 19,060 |   |  			
            | 10/30/2012 | -0.20 / -1.23% | 16.30 | 16.30 | 16.00 | 16.00 | 16.00 | 6.49 | 28,580 |   |  
            | 10/29/2012 | -0.30 / -1.82% | 16.40 | 16.50 | 16.20 | 16.20 | 16.20 | 6.57 | 10,280 |   |  |