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            | 
                    Closing price on 11/17/2016
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                    | Open | 1.90 |  
                    | High | 2.00 |  
                    | Low | 1.90 |  
                    | Volume | 137,100 |  
                    | Split-adjusted Price | 1.90 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/17/2016 | -0.10 / -5.00% | 1.90 | 2.00 | 1.90 | 1.90 | 2.00 | 1.90 | 137,100 |   |  
            | 11/16/2016 | -0.10 / -4.76% | 2.10 | 2.10 | 1.90 | 2.00 | 1.96 | 2.00 | 185,610 |   |  			
            | 11/15/2016 | +0.10 / +5.00% | 2.00 | 2.10 | 1.90 | 2.10 | 2.00 | 2.10 | 109,630 |   |  
            | 11/14/2016 | 0.00 / 0.00% | 2.00 | 2.00 | 1.90 | 2.00 | 2.00 | 2.00 | 122,900 |   |  			
            | 11/11/2016 | 0.00 / 0.00% | 2.20 | 2.20 | 2.00 | 2.00 | 2.05 | 2.00 | 166,100 |   |  
            | 11/10/2016 | +0.10 / +5.26% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 37,600 |   |  			
            | 11/9/2016 | -0.10 / -5.00% | 2.00 | 2.00 | 1.80 | 1.90 | 1.93 | 1.90 | 180,400 |   |  
            | 11/8/2016 | -0.10 / -4.76% | 2.10 | 2.20 | 2.00 | 2.00 | 2.06 | 2.00 | 69,500 |   |  			
            | 11/7/2016 | 0.00 / 0.00% | 2.10 | 2.20 | 2.00 | 2.10 | 2.10 | 2.10 | 53,300 |   |  
            | 11/4/2016 | +0.10 / +5.00% | 2.20 | 2.20 | 2.10 | 2.10 | 2.20 | 2.10 | 295,800 |   |  			
            | 11/3/2016 | +0.10 / +5.26% | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 2.00 | 65,900 |   |  
            | 11/2/2016 | 0.00 / 0.00% | 1.90 | 2.00 | 1.80 | 1.90 | 1.90 | 1.90 | 59,000 |   |  			
            | 11/1/2016 | -0.10 / -5.00% | 2.00 | 2.10 | 1.90 | 1.90 | 1.98 | 1.90 | 92,000 |   |  
            | 10/31/2016 | -0.10 / -4.76% | 2.20 | 2.20 | 2.00 | 2.00 | 2.10 | 2.00 | 135,000 |   |  			
            | 10/28/2016 | -0.10 / -4.55% | 2.20 | 2.20 | 2.10 | 2.10 | 2.11 | 2.10 | 88,000 |   |  
            | 10/27/2016 | 0.00 / 0.00% | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 2.20 | 154,800 |   |  			
            | 10/26/2016 | -0.10 / -4.35% | 2.30 | 2.30 | 2.20 | 2.20 | 2.20 | 2.20 | 105,400 |   |  
            | 10/25/2016 | -0.10 / -4.17% | 2.60 | 2.60 | 2.20 | 2.30 | 2.30 | 2.30 | 55,500 |   |  			
            | 10/24/2016 | 0.00 / 0.00% | 2.30 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 10,700 |   |  
            | 10/21/2016 | +0.10 / +4.35% | 2.30 | 2.40 | 2.20 | 2.40 | 2.26 | 2.40 | 91,600 |   |  			
            | 10/20/2016 | 0.00 / 0.00% | 2.30 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 239,700 |   |  
            | 10/19/2016 | 0.00 / 0.00% | 2.40 | 2.50 | 2.30 | 2.30 | 2.40 | 2.30 | 213,400 |   |  			
            | 10/18/2016 | -0.20 / -8.00% | 2.50 | 2.50 | 2.30 | 2.30 | 2.41 | 2.30 | 87,200 |   |  
            | 10/17/2016 | +0.20 / +8.70% | 2.30 | 2.50 | 2.30 | 2.50 | 2.48 | 2.50 | 400,500 |   |  			
            | 10/14/2016 | 0.00 / 0.00% | 2.30 | 2.50 | 2.30 | 2.30 | 2.38 | 2.30 | 253,160 |   |  
            | 10/13/2016 | -0.10 / -4.17% | 2.40 | 2.40 | 2.30 | 2.30 | 2.31 | 2.30 | 181,200 |   |  			
            | 10/12/2016 | +0.10 / +4.35% | 2.30 | 2.50 | 2.30 | 2.40 | 2.34 | 2.40 | 178,100 |   |  
            | 10/11/2016 | -0.10 / -4.17% | 2.20 | 2.40 | 2.20 | 2.30 | 2.37 | 2.30 | 84,500 |   |  			
            | 10/10/2016 | 0.00 / 0.00% | 2.50 | 2.50 | 2.30 | 2.40 | 2.34 | 2.40 | 148,200 |   |  
            | 10/7/2016 | -0.10 / -4.00% | 2.40 | 2.40 | 2.30 | 2.40 | 2.40 | 2.40 | 239,800 |   |  |