| 
    
        
            | 
                    Closing price on 12/24/2015
                 |  |  
    
        |           
                
                    | Open | 2.30 |  
                    | High | 2.30 |  
                    | Low | 2.20 |  
                    | Volume | 65,900 |  
                    | Split-adjusted Price | 2.30 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/24/2015 | +0.10 / +4.55% | 2.30 | 2.30 | 2.20 | 2.30 | 2.25 | 2.30 | 65,900 |   |  
            | 12/23/2015 | 0.00 / 0.00% | 2.30 | 2.30 | 2.20 | 2.20 | 2.20 | 2.20 | 42,700 |   |  			
            | 12/22/2015 | 0.00 / 0.00% | 2.20 | 2.30 | 2.20 | 2.20 | 2.23 | 2.20 | 153,500 |   |  
            | 12/21/2015 | 0.00 / 0.00% | 2.30 | 2.30 | 2.20 | 2.20 | 2.21 | 2.20 | 109,000 |   |  			
            | 12/18/2015 | -0.10 / -4.35% | 2.30 | 2.30 | 2.20 | 2.20 | 2.30 | 2.20 | 89,200 |   |  
            | 12/17/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 113,700 |   |  			
            | 12/16/2015 | -0.10 / -4.17% | 2.30 | 2.40 | 2.30 | 2.30 | 2.31 | 2.30 | 119,200 |   |  
            | 12/15/2015 | 0.00 / 0.00% | 2.30 | 2.40 | 2.30 | 2.40 | 2.32 | 2.40 | 103,100 |   |  			
            | 12/14/2015 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 260,200 |   |  
            | 12/11/2015 | +0.10 / +4.35% | 2.30 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 239,600 |   |  			
            | 12/10/2015 | -0.10 / -4.17% | 2.40 | 2.50 | 2.30 | 2.30 | 2.40 | 2.30 | 142,500 |   |  
            | 12/9/2015 | -0.10 / -4.00% | 2.50 | 2.60 | 2.30 | 2.40 | 2.44 | 2.40 | 368,900 |   |  			
            | 12/8/2015 | 0.00 / 0.00% | 2.60 | 2.60 | 2.50 | 2.50 | 2.57 | 2.50 | 123,000 |   |  
            | 12/7/2015 | -0.10 / -3.85% | 2.50 | 2.60 | 2.50 | 2.50 | 2.60 | 2.50 | 557,600 |   |  			
            | 12/4/2015 | -0.20 / -7.14% | 2.70 | 2.80 | 2.60 | 2.60 | 2.68 | 2.60 | 724,600 |   |  
            | 12/3/2015 | -0.20 / -6.67% | 2.90 | 3.00 | 2.80 | 2.80 | 2.92 | 2.80 | 558,400 |   |  			
            | 12/2/2015 | +0.10 / +3.45% | 2.90 | 3.00 | 2.90 | 3.00 | 2.94 | 3.00 | 855,100 |   |  
            | 12/1/2015 | 0.00 / 0.00% | 2.90 | 3.00 | 2.80 | 2.90 | 2.93 | 2.90 | 969,400 |   |  			
            | 11/30/2015 | -0.10 / -3.33% | 2.80 | 3.00 | 2.70 | 2.90 | 3.00 | 2.90 | 462,100 |   |  
            | 11/27/2015 | +0.10 / +3.45% | 3.00 | 3.00 | 2.80 | 3.00 | 2.90 | 3.00 | 803,100 |   |  			
            | 11/26/2015 | +0.20 / +7.41% | 2.70 | 2.90 | 2.60 | 2.90 | 2.82 | 2.90 | 1,681,900 |   |  
            | 11/25/2015 | 0.00 / 0.00% | 2.60 | 2.80 | 2.50 | 2.70 | 2.65 | 2.70 | 985,900 |   |  			
            | 11/24/2015 | 0.00 / 0.00% | 2.60 | 2.70 | 2.50 | 2.70 | 2.65 | 2.70 | 643,400 |   |  
            | 11/23/2015 | 0.00 / 0.00% | 2.60 | 2.70 | 2.60 | 2.70 | 2.62 | 2.70 | 866,200 |   |  			
            | 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 |   |  |