| 
    
        
            | 
                    Closing price on 9/8/2016
                 |  |  
    
        |           
                
                    | Open | 3.70 |  
                    | High | 3.70 |  
                    | Low | 3.50 |  
                    | Volume | 223,100 |  
                    | Split-adjusted Price | 3.50 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/8/2016 | -0.20 / -5.41% | 3.70 | 3.70 | 3.50 | 3.50 | 3.60 | 3.50 | 223,100 |   |  
            | 9/7/2016 | +0.10 / +2.78% | 3.60 | 3.70 | 3.60 | 3.70 | 3.60 | 3.70 | 527,800 |   |  			
            | 9/6/2016 | -0.10 / -2.70% | 3.70 | 3.70 | 3.60 | 3.60 | 3.61 | 3.60 | 213,100 |   |  
            | 9/5/2016 | 0.00 / 0.00% | 3.80 | 3.80 | 3.60 | 3.70 | 3.70 | 3.70 | 345,400 |   |  			
            | 9/1/2016 | 0.00 / 0.00% | 3.70 | 3.70 | 3.60 | 3.70 | 3.65 | 3.70 | 57,200 |   |  
            | 8/31/2016 | 0.00 / 0.00% | 3.60 | 3.80 | 3.60 | 3.70 | 3.72 | 3.70 | 186,004 |   |  			
            | 8/30/2016 | 0.00 / 0.00% | 3.70 | 3.70 | 3.60 | 3.70 | 3.68 | 3.70 | 99,200 |   |  
            | 8/29/2016 | +0.10 / +2.78% | 3.60 | 3.70 | 3.50 | 3.70 | 3.60 | 3.70 | 151,240 |   |  			
            | 8/26/2016 | +0.10 / +2.86% | 3.50 | 3.60 | 3.50 | 3.60 | 3.51 | 3.60 | 109,600 |   |  
            | 8/25/2016 | 0.00 / 0.00% | 3.50 | 3.60 | 3.50 | 3.50 | 3.52 | 3.50 | 75,800 |   |  			
            | 8/24/2016 | 0.00 / 0.00% | 3.50 | 3.60 | 3.40 | 3.50 | 3.49 | 3.50 | 148,800 |   |  
            | 8/23/2016 | +0.10 / +2.94% | 3.50 | 3.50 | 3.40 | 3.50 | 3.46 | 3.50 | 63,500 |   |  			
            | 8/22/2016 | 0.00 / 0.00% | 3.40 | 3.60 | 3.40 | 3.40 | 3.43 | 3.40 | 270,200 |   |  
            | 8/19/2016 | 0.00 / 0.00% | 3.30 | 3.50 | 3.20 | 3.40 | 3.40 | 3.40 | 131,500 |   |  			
            | 8/18/2016 | -0.20 / -5.56% | 3.60 | 3.60 | 3.30 | 3.40 | 3.42 | 3.40 | 96,500 |   |  
            | 8/17/2016 | +0.30 / +9.09% | 3.30 | 3.60 | 3.30 | 3.60 | 3.33 | 3.60 | 368,200 |   |  			
            | 8/16/2016 | +0.20 / +6.45% | 3.20 | 3.30 | 3.10 | 3.30 | 3.19 | 3.30 | 211,700 |   |  
            | 8/15/2016 | 0.00 / 0.00% | 3.20 | 3.30 | 3.10 | 3.10 | 3.20 | 3.10 | 176,500 |   |  			
            | 8/12/2016 | -0.30 / -8.82% | 3.40 | 3.50 | 3.10 | 3.10 | 3.28 | 3.10 | 128,615 |   |  
            | 8/11/2016 | 0.00 / 0.00% | 3.70 | 3.70 | 3.30 | 3.40 | 3.40 | 3.40 | 133,125 |   |  			
            | 8/10/2016 | +0.20 / +6.25% | 3.50 | 3.50 | 3.20 | 3.40 | 3.44 | 3.40 | 306,000 |   |  
            | 8/9/2016 | +0.20 / +6.67% | 3.00 | 3.20 | 3.00 | 3.20 | 3.09 | 3.20 | 156,300 |   |  			
            | 8/8/2016 | -0.10 / -3.23% | 2.80 | 3.30 | 2.80 | 3.00 | 2.95 | 3.00 | 208,960 |   |  
            | 8/5/2016 | -0.20 / -6.06% | 3.30 | 3.30 | 3.00 | 3.10 | 3.06 | 3.10 | 235,140 |   |  			
            | 8/4/2016 | -0.30 / -8.33% | 3.60 | 3.70 | 3.30 | 3.30 | 3.41 | 3.30 | 358,003 |   |  
            | 8/3/2016 | -0.30 / -7.69% | 3.90 | 4.00 | 3.60 | 3.60 | 3.72 | 3.60 | 202,300 |   |  			
            | 8/2/2016 | -0.10 / -2.50% | 4.00 | 4.10 | 3.60 | 3.90 | 3.92 | 3.90 | 1,750,700 |   |  
            | 8/1/2016 | +0.20 / +5.26% | 3.80 | 4.10 | 3.50 | 4.00 | 4.05 | 4.00 | 1,934,200 |   |  			
            | 7/29/2016 | -0.10 / -2.56% | 3.80 | 3.90 | 3.60 | 3.80 | 3.71 | 3.80 | 370,500 |   |  
            | 7/28/2016 | 0.00 / 0.00% | 3.60 | 3.90 | 3.60 | 3.90 | 3.61 | 3.90 | 1,080,600 |   |  |