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                    Closing price on 11/20/2015
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                    | Open | 2.50 |  
                    | High | 2.80 |  
                    | Low | 2.40 |  
                    | Volume | 880,400 |  
                    | Split-adjusted Price | 2.70 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/20/2015 | +0.10 / +3.85% | 2.50 | 2.80 | 2.40 | 2.70 | 2.57 | 2.70 | 880,400 |   |  
            | 11/19/2015 | -0.20 / -7.14% | 2.60 | 2.70 | 2.60 | 2.60 | 2.66 | 2.60 | 491,800 |   |  			
            | 11/18/2015 | +0.10 / +3.70% | 2.70 | 2.80 | 2.50 | 2.80 | 2.63 | 2.80 | 689,700 |   |  
            | 11/17/2015 | -0.10 / -3.57% | 2.70 | 2.90 | 2.70 | 2.70 | 2.78 | 2.70 | 572,900 |   |  			
            | 11/16/2015 | +0.10 / +3.70% | 2.60 | 2.80 | 2.50 | 2.80 | 2.70 | 2.80 | 1,057,100 |   |  
            | 11/13/2015 | -0.20 / -6.90% | 2.80 | 2.90 | 2.70 | 2.70 | 2.78 | 2.70 | 865,000 |   |  			
            | 11/12/2015 | +0.10 / +3.57% | 2.80 | 3.00 | 2.70 | 2.90 | 2.91 | 2.90 | 565,500 |   |  
            | 11/11/2015 | +0.20 / +7.69% | 2.60 | 2.80 | 2.60 | 2.80 | 2.76 | 2.80 | 527,000 |   |  			
            | 11/10/2015 | +0.20 / +8.33% | 2.40 | 2.60 | 2.30 | 2.60 | 2.56 | 2.60 | 568,700 |   |  
            | 11/9/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.20 | 2.40 | 2.32 | 2.40 | 153,500 |   |  			
            | 11/6/2015 | -0.10 / -4.00% | 2.40 | 2.50 | 2.30 | 2.40 | 2.42 | 2.40 | 2,118,400 |   |  
            | 11/5/2015 | +0.10 / +4.17% | 2.40 | 2.60 | 2.40 | 2.50 | 2.46 | 2.50 | 152,100 |   |  			
            | 11/4/2015 | -0.10 / -4.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.41 | 2.40 | 42,900 |   |  
            | 11/3/2015 | +0.10 / +4.17% | 2.40 | 2.50 | 2.30 | 2.50 | 2.40 | 2.50 | 29,700 |   |  			
            | 11/2/2015 | -0.20 / -7.69% | 2.60 | 2.70 | 2.40 | 2.40 | 2.51 | 2.40 | 42,200 |   |  
            | 10/30/2015 | 0.00 / 0.00% | 2.60 | 2.70 | 2.50 | 2.60 | 2.58 | 2.60 | 161,700 |   |  			
            | 10/29/2015 | +0.20 / +8.33% | 2.40 | 2.60 | 2.40 | 2.60 | 2.48 | 2.60 | 26,900 |   |  
            | 10/28/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.40 | 2.33 | 2.40 | 35,300 |   |  			
            | 10/27/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 2.40 | 69,800 |   |  
            | 10/26/2015 | -0.20 / -7.69% | 2.50 | 2.60 | 2.40 | 2.40 | 2.54 | 2.40 | 42,000 |   |  			
            | 10/23/2015 | +0.10 / +4.00% | 2.60 | 2.60 | 2.50 | 2.60 | 2.51 | 2.60 | 19,600 |   |  
            | 10/22/2015 | 0.00 / 0.00% | 2.50 | 2.60 | 2.40 | 2.50 | 2.51 | 2.50 | 61,700 |   |  			
            | 10/21/2015 | -0.20 / -7.41% | 2.60 | 2.60 | 2.50 | 2.50 | 2.53 | 2.50 | 28,200 |   |  
            | 10/20/2015 | +0.10 / +3.85% | 2.60 | 2.70 | 2.60 | 2.70 | 2.60 | 2.70 | 21,400 |   |  			
            | 10/19/2015 | -0.10 / -3.70% | 2.60 | 2.60 | 2.50 | 2.60 | 2.51 | 2.60 | 204,200 |   |  
            | 10/16/2015 | 0.00 / 0.00% | 2.70 | 2.70 | 2.60 | 2.70 | 2.64 | 2.70 | 95,300 |   |  			
            | 10/15/2015 | -0.10 / -3.57% | 2.80 | 2.80 | 2.70 | 2.70 | 2.73 | 2.70 | 78,100 |   |  
            | 10/14/2015 | -0.10 / -3.45% | 2.80 | 2.90 | 2.70 | 2.80 | 2.80 | 2.80 | 144,500 |   |  			
            | 10/13/2015 | 0.00 / 0.00% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 149,300 |   |  
            | 10/12/2015 | 0.00 / 0.00% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 137,800 |   |  |