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            | 
                    Closing price on 10/10/2012
                 |  |  
    
        |           
                
                    | Open | 16.30 |  
                    | High | 17.10 |  
                    | Low | 16.20 |  
                    | Volume | 116,110 |  
                    | Split-adjusted Price | 6.93 |  
                
             | 
 |  DQC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/10/2012 | +0.80 / +4.91% | 16.30 | 17.10 | 16.20 | 17.10 | 17.10 | 6.93 | 116,110 |   |  
            | 10/9/2012 | 0.00 / 0.00% | 16.20 | 16.70 | 16.20 | 16.30 | 16.30 | 6.61 | 10,730 |   |  			
            | 10/8/2012 | +0.50 / +3.16% | 16.20 | 16.30 | 16.00 | 16.30 | 16.30 | 6.61 | 37,330 |   |  
            | 10/5/2012 | +0.10 / +0.64% | 15.80 | 15.90 | 15.70 | 15.80 | 15.80 | 6.40 | 16,710 |   |  			
            | 10/4/2012 | -0.20 / -1.26% | 15.90 | 15.90 | 15.70 | 15.70 | 15.70 | 6.36 | 94,540 |   |  
            | 10/3/2012 | +0.30 / +1.92% | 15.70 | 16.10 | 15.60 | 15.90 | 15.90 | 6.44 | 24,910 |   |  			
            | 10/2/2012 | +0.10 / +0.65% | 15.50 | 15.60 | 15.40 | 15.60 | 15.60 | 6.32 | 1,930 |   |  
            | 10/1/2012 | -0.20 / -1.27% | 15.70 | 15.70 | 15.50 | 15.50 | 15.50 | 6.28 | 53,980 |   |  			
            | 9/28/2012 | -0.10 / -0.63% | 15.80 | 15.90 | 15.70 | 15.70 | 15.70 | 6.36 | 45,540 |   |  
            | 9/27/2012 | -0.20 / -1.25% | 15.90 | 15.90 | 15.70 | 15.80 | 15.80 | 6.40 | 5,610 |   |  			
            | 9/26/2012 | +0.30 / +1.91% | 15.90 | 16.00 | 15.80 | 16.00 | 16.00 | 6.49 | 113,480 |   |  
            | 9/25/2012 | +0.10 / +0.64% | 15.80 | 15.80 | 15.70 | 15.70 | 15.70 | 6.36 | 7,060 |   |  			
            | 9/24/2012 | -0.30 / -1.89% | 15.60 | 15.90 | 15.60 | 15.60 | 15.60 | 6.32 | 14,830 |   |  
            | 9/21/2012 | +0.20 / +1.27% | 16.00 | 16.00 | 15.60 | 15.90 | 15.90 | 6.44 | 10,930 |   |  			
            | 9/20/2012 | 0.00 / 0.00% | 15.30 | 15.70 | 15.20 | 15.70 | 15.70 | 6.36 | 26,240 |   |  
            | 9/19/2012 | -0.10 / -0.63% | 15.20 | 15.90 | 15.20 | 15.70 | 15.70 | 6.36 | 119,400 |   |  			
            | 9/18/2012 | -0.70 / -4.24% | 16.60 | 16.60 | 15.80 | 15.80 | 15.80 | 6.40 | 46,430 |   |  
            | 9/17/2012 | -0.10 / -0.60% | 16.60 | 16.80 | 16.10 | 16.50 | 16.50 | 6.69 | 38,510 |   |  			
            | 9/14/2012 | +0.60 / +3.75% | 16.80 | 16.80 | 16.50 | 16.60 | 16.60 | 6.73 | 101,220 |   |  
            | 9/13/2012 | +0.40 / +2.56% | 15.50 | 16.00 | 15.50 | 16.00 | 16.00 | 6.49 | 26,610 |   |  			
            | 9/12/2012 | -0.60 / -3.70% | 16.40 | 16.60 | 15.60 | 15.60 | 15.60 | 6.32 | 95,050 |   |  
            | 9/11/2012 | 0.00 / 0.00% | 16.50 | 16.50 | 15.80 | 16.20 | 16.20 | 6.57 | 253,560 |   |  			
            | 9/10/2012 | -0.40 / -2.41% | 16.60 | 16.60 | 16.20 | 16.20 | 16.20 | 6.57 | 782,670 |   |  
            | 9/7/2012 | -0.10 / -0.60% | 16.80 | 16.90 | 16.50 | 16.60 | 16.60 | 6.73 | 37,230 |   |  			
            | 9/6/2012 | +0.40 / +2.45% | 16.30 | 17.10 | 16.30 | 16.70 | 16.70 | 6.77 | 114,750 |   |  
            | 9/5/2012 | -0.70 / -4.12% | 16.70 | 16.70 | 16.20 | 16.30 | 16.30 | 6.61 | 40,240 |   |  			
            | 9/4/2012 | +0.30 / +1.80% | 16.30 | 17.00 | 16.30 | 17.00 | 17.00 | 6.89 | 11,820 |   |  
            | 8/31/2012 | -0.20 / -1.18% | 16.80 | 16.80 | 16.50 | 16.70 | 16.70 | 6.77 | 18,300 |   |  			
            | 8/30/2012 | +0.40 / +2.42% | 16.50 | 16.90 | 16.50 | 16.90 | 16.90 | 6.85 | 27,860 |   |  
            | 8/29/2012 | +0.70 / +4.43% | 16.40 | 16.50 | 16.20 | 16.50 | 16.50 | 6.69 | 99,460 |   |  |