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                    Closing price on 10/19/2016
                 |  |  
    
        |           
                
                    | Open | 2.40 |  
                    | High | 2.50 |  
                    | Low | 2.30 |  
                    | Volume | 213,400 |  
                    | Split-adjusted Price | 2.30 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 10/6/2016 | -0.10 / -3.85% | 2.40 | 2.60 | 2.40 | 2.50 | 2.53 | 2.50 | 154,200 |   |  			
            | 10/5/2016 | 0.00 / 0.00% | 2.40 | 2.60 | 2.40 | 2.60 | 2.60 | 2.60 | 218,725 |   |  
            | 10/4/2016 | +0.20 / +8.33% | 2.20 | 2.60 | 2.20 | 2.60 | 2.52 | 2.60 | 142,800 |   |  			
            | 10/3/2016 | -0.20 / -7.69% | 2.50 | 2.50 | 2.40 | 2.40 | 2.42 | 2.40 | 752,000 |   |  
            | 9/30/2016 | -0.10 / -3.70% | 2.90 | 2.90 | 2.50 | 2.60 | 2.55 | 2.60 | 250,500 |   |  			
            | 9/29/2016 | 0.00 / 0.00% | 2.80 | 2.80 | 2.60 | 2.70 | 2.70 | 2.70 | 118,200 |   |  
            | 9/28/2016 | -0.20 / -6.90% | 3.10 | 3.10 | 2.70 | 2.70 | 2.83 | 2.70 | 176,000 |   |  			
            | 9/27/2016 | -0.10 / -3.33% | 3.00 | 3.00 | 2.70 | 2.90 | 2.81 | 2.90 | 170,600 |   |  
            | 9/26/2016 | -0.20 / -6.25% | 3.20 | 3.30 | 2.90 | 3.00 | 2.95 | 3.00 | 504,000 |   |  			
            | 9/23/2016 | 0.00 / 0.00% | 3.20 | 3.20 | 3.00 | 3.20 | 3.20 | 3.20 | 99,000 |   |  
            | 9/22/2016 | -0.10 / -3.03% | 3.40 | 3.40 | 3.10 | 3.20 | 3.27 | 3.20 | 123,700 |   |  			
            | 9/21/2016 | +0.30 / +10.00% | 3.00 | 3.30 | 2.80 | 3.30 | 3.23 | 3.30 | 283,500 |   |  
            | 9/20/2016 | -0.30 / -9.09% | 3.00 | 3.20 | 3.00 | 3.00 | 3.02 | 3.00 | 383,100 |   |  			
            | 9/19/2016 | -0.30 / -8.33% | 3.60 | 3.60 | 3.30 | 3.30 | 3.31 | 3.30 | 836,500 |   |  
            | 9/16/2016 | 0.00 / 0.00% | 3.50 | 3.60 | 3.30 | 3.60 | 3.44 | 3.60 | 172,500 |   |  			
            | 9/15/2016 | -0.30 / -7.69% | 3.90 | 3.90 | 3.60 | 3.60 | 3.66 | 3.60 | 322,810 |   |  
            | 9/14/2016 | -0.20 / -4.88% | 4.10 | 4.10 | 3.80 | 3.90 | 4.00 | 3.90 | 179,300 |   |  			
            | 9/13/2016 | 0.00 / 0.00% | 4.50 | 4.50 | 4.10 | 4.10 | 4.38 | 4.10 | 552,000 |   |  
            | 9/12/2016 | +0.30 / +7.89% | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 116,900 |   |  			
            | 9/9/2016 | +0.30 / +8.57% | 3.60 | 3.80 | 3.60 | 3.80 | 3.69 | 3.80 | 116,711 |   |  
            | 9/8/2016 | -0.20 / -5.41% | 3.70 | 3.70 | 3.50 | 3.50 | 3.60 | 3.50 | 223,100 |   |  |