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                    Closing price on 5/26/2014
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                    | Open | 12.30 |  
                    | High | 12.60 |  
                    | Low | 12.10 |  
                    | Volume | 62,710 |  
                    | Split-adjusted Price | 8.66 |  
                
             | 
 |  SD6 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/26/2014 | -0.10 / -0.80% | 12.30 | 12.60 | 12.10 | 12.40 | 12.38 | 8.66 | 62,710 |   |  
            | 5/23/2014 | 0.00 / 0.00% | 12.40 | 12.50 | 12.20 | 12.50 | 12.39 | 8.73 | 68,300 |   |  			
            | 5/22/2014 | -0.20 / -1.57% | 12.70 | 12.70 | 12.40 | 12.50 | 12.56 | 8.73 | 180,700 |   |  
            | 5/21/2014 | +0.50 / +4.10% | 12.10 | 12.70 | 12.10 | 12.70 | 12.38 | 8.87 | 155,100 |   |  			
            | 5/20/2014 | +0.20 / +1.67% | 11.90 | 12.20 | 11.80 | 12.20 | 12.03 | 8.52 | 134,266 |   |  
            | 5/19/2014 | +0.10 / +0.84% | 11.70 | 12.10 | 11.70 | 12.00 | 11.89 | 8.38 | 92,300 |   |  			
            | 5/16/2014 | +0.50 / +4.39% | 11.20 | 12.00 | 11.20 | 11.90 | 11.74 | 8.31 | 89,462 |   |  
            | 5/15/2014 | -0.70 / -5.79% | 11.80 | 12.50 | 11.00 | 11.40 | 11.69 | 7.96 | 194,702 |   |  			
            | 5/14/2014 | +1.00 / +9.01% | 11.00 | 12.20 | 11.00 | 12.10 | 11.64 | 8.45 | 153,760 |   |  
            | 5/13/2014 | -0.60 / -5.13% | 11.40 | 11.50 | 10.80 | 11.10 | 11.11 | 7.75 | 203,600 |   |  			
            | 5/12/2014 | -1.30 / -10.00% | 12.70 | 12.70 | 11.70 | 11.70 | 11.80 | 8.17 | 150,400 |   |  
            | 5/9/2014 | +0.30 / +2.36% | 12.50 | 13.20 | 12.50 | 13.00 | 12.85 | 9.08 | 102,400 |   |  			
            | 5/8/2014 | -1.40 / -9.93% | 13.00 | 13.20 | 12.70 | 12.70 | 12.77 | 8.87 | 291,120 |   |  
            | 5/7/2014 | 0.00 / 0.00% | 14.30 | 14.30 | 13.40 | 14.10 | 13.85 | 9.84 | 28,850 |   |  			
            | 5/6/2014 | 0.00 / 0.00% | 13.60 | 14.10 | 13.10 | 14.10 | 13.38 | 9.84 | 119,482 |   |  
            | 5/5/2014 | -0.40 / -2.76% | 14.50 | 14.50 | 13.70 | 14.10 | 13.98 | 9.84 | 75,300 |   |  			
            | 4/29/2014 | +0.20 / +1.40% | 14.30 | 14.50 | 14.10 | 14.50 | 14.25 | 10.12 | 63,505 |   |  
            | 4/28/2014 | 0.00 / 0.00% | 14.60 | 14.70 | 14.10 | 14.30 | 14.51 | 9.98 | 85,441 |   |  			
            | 4/25/2014 | +0.10 / +0.70% | 14.30 | 14.50 | 14.30 | 14.30 | 14.38 | 9.98 | 149,350 |   |  
            | 4/24/2014 | +0.20 / +1.43% | 14.30 | 14.30 | 14.00 | 14.20 | 14.03 | 9.91 | 71,000 |   |  			
            | 4/23/2014 | -0.30 / -2.10% | 14.30 | 14.30 | 14.00 | 14.00 | 14.12 | 9.77 | 72,545 |   |  
            | 4/22/2014 | +0.60 / +4.38% | 13.80 | 14.30 | 13.70 | 14.30 | 13.97 | 9.98 | 142,750 |   |  			
            | 4/21/2014 | -0.20 / -1.44% | 13.90 | 14.00 | 13.60 | 13.70 | 13.80 | 9.56 | 71,300 |   |  
            | 4/18/2014 | -0.80 / -5.44% | 14.70 | 14.70 | 13.90 | 13.90 | 14.15 | 9.70 | 351,450 |   |  			
            | 4/17/2014 | +0.20 / +1.38% | 14.60 | 14.90 | 14.50 | 14.70 | 14.73 | 10.26 | 177,980 |   |  
            | 4/16/2014 | -0.30 / -2.03% | 14.70 | 14.80 | 14.30 | 14.50 | 14.52 | 10.12 | 395,600 |   |  			
            | 4/15/2014 | -0.80 / -5.13% | 15.60 | 15.60 | 14.80 | 14.80 | 15.11 | 10.33 | 340,076 |   |  
            | 4/14/2014 | -0.10 / -0.64% | 15.90 | 15.90 | 15.50 | 15.60 | 15.74 | 10.89 | 287,290 |   |  			
            | 4/11/2014 | 0.00 / 0.00% | 15.70 | 15.80 | 15.30 | 15.70 | 15.58 | 10.96 | 241,650 |   |  
            | 4/10/2014 | +0.50 / +3.29% | 15.20 | 15.90 | 15.00 | 15.70 | 15.57 | 10.96 | 548,100 |   |  |