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                    Closing price on 10/16/2012
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                    | Open | 12.40 |  
                    | High | 13.00 |  
                    | Low | 12.40 |  
                    | Volume | 193,660 |  
                    | Split-adjusted Price | 3.37 |  
                
             | 
 |  DIG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/16/2012 | +0.60 / +4.84% | 12.40 | 13.00 | 12.40 | 13.00 | 13.00 | 3.37 | 193,660 |   |  
            | 10/15/2012 | -0.60 / -4.62% | 12.90 | 13.00 | 12.40 | 12.40 | 12.40 | 3.22 | 109,830 |   |  			
            | 10/12/2012 | +0.20 / +1.56% | 12.70 | 13.30 | 12.50 | 13.00 | 13.00 | 3.37 | 214,360 |   |  
            | 10/11/2012 | -0.40 / -3.03% | 13.20 | 13.30 | 12.70 | 12.80 | 12.80 | 3.32 | 311,540 |   |  			
            | 10/10/2012 | +0.60 / +4.76% | 12.90 | 13.20 | 12.60 | 13.20 | 13.20 | 3.42 | 494,480 |   |  
            | 10/9/2012 | +0.60 / +5.00% | 12.60 | 12.60 | 12.50 | 12.60 | 12.60 | 3.27 | 132,280 |   |  			
            | 10/8/2012 | +0.50 / +4.35% | 11.90 | 12.00 | 11.80 | 12.00 | 12.00 | 3.11 | 448,520 |   |  
            | 10/5/2012 | +0.50 / +4.55% | 11.10 | 11.50 | 11.00 | 11.50 | 11.50 | 2.98 | 223,530 |   |  			
            | 10/4/2012 | 0.00 / 0.00% | 11.30 | 11.40 | 10.90 | 11.00 | 11.00 | 2.85 | 136,170 |   |  
            | 10/3/2012 | 0.00 / 0.00% | 11.40 | 11.50 | 11.00 | 11.00 | 11.00 | 2.85 | 57,520 |   |  			
            | 10/2/2012 | -0.50 / -4.35% | 11.50 | 11.50 | 11.00 | 11.00 | 11.00 | 2.85 | 25,330 |   |  
            | 10/1/2012 | -0.30 / -2.54% | 11.70 | 11.70 | 11.30 | 11.50 | 11.50 | 2.98 | 45,750 |   |  			
            | 9/28/2012 | -0.20 / -1.67% | 11.90 | 11.90 | 11.80 | 11.80 | 11.80 | 3.06 | 45,100 |   |  
            | 9/27/2012 | -0.10 / -0.83% | 12.00 | 12.00 | 11.90 | 12.00 | 12.00 | 3.11 | 22,130 |   |  			
            | 9/26/2012 | -0.20 / -1.63% | 12.30 | 12.30 | 12.00 | 12.10 | 12.10 | 3.14 | 51,210 |   |  
            | 9/25/2012 | +0.10 / +0.82% | 12.40 | 12.40 | 11.80 | 12.30 | 12.30 | 3.19 | 51,910 |   |  			
            | 9/24/2012 | -0.20 / -1.61% | 12.00 | 12.20 | 12.00 | 12.20 | 12.20 | 3.16 | 87,500 |   |  
            | 9/21/2012 | +0.50 / +4.20% | 11.90 | 12.40 | 11.90 | 12.40 | 12.40 | 3.22 | 59,210 |   |  			
            | 9/20/2012 | -0.50 / -4.03% | 11.90 | 11.90 | 11.80 | 11.90 | 11.90 | 3.09 | 26,340 |   |  
            | 9/19/2012 | 0.00 / 0.00% | 11.90 | 12.40 | 11.80 | 12.40 | 12.40 | 3.22 | 46,090 |   |  			
            | 9/18/2012 | -0.60 / -4.62% | 13.00 | 13.00 | 12.40 | 12.40 | 12.40 | 3.22 | 90,520 |   |  
            | 9/17/2012 | -0.40 / -2.99% | 13.00 | 13.40 | 12.80 | 13.00 | 13.00 | 3.37 | 31,290 |   |  			
            | 9/14/2012 | +0.60 / +4.69% | 12.90 | 13.40 | 12.90 | 13.40 | 13.40 | 3.48 | 44,100 |   |  
            | 9/13/2012 | +0.50 / +4.07% | 12.50 | 12.80 | 12.20 | 12.80 | 12.80 | 3.32 | 7,350 |   |  			
            | 9/12/2012 | -0.10 / -0.81% | 12.60 | 12.60 | 12.30 | 12.30 | 12.30 | 3.19 | 28,540 |   |  
            | 9/11/2012 | -0.30 / -2.36% | 12.20 | 12.90 | 12.20 | 12.40 | 12.40 | 3.22 | 26,120 |   |  			
            | 9/10/2012 | -0.60 / -4.51% | 13.40 | 13.40 | 12.70 | 12.70 | 12.70 | 3.29 | 121,190 |   |  
            | 9/7/2012 | +0.30 / +2.31% | 13.40 | 13.40 | 13.10 | 13.30 | 13.30 | 3.45 | 60,990 |   |  			
            | 9/6/2012 | -0.40 / -2.99% | 13.40 | 13.40 | 13.00 | 13.00 | 13.00 | 3.37 | 94,670 |   |  
            | 9/5/2012 | -0.50 / -3.60% | 14.10 | 14.10 | 13.40 | 13.40 | 13.40 | 3.48 | 101,100 |   |  |