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            | 
                    Closing price on 4/12/2017
                 |  |  
    
        |           
                
                    | Open | 2.40 |  
                    | High | 2.60 |  
                    | Low | 2.40 |  
                    | Volume | 256,800 |  
                    | Split-adjusted Price | 2.50 |  
                
             | 
 |  SPI Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/12/2017 | +0.10 / +4.17% | 2.40 | 2.60 | 2.40 | 2.50 | 2.46 | 2.50 | 256,800 |   |  
            | 4/11/2017 | +0.20 / +9.09% | 2.20 | 2.40 | 2.20 | 2.40 | 2.20 | 2.40 | 406,200 |   |  			
            | 4/10/2017 | -0.10 / -4.35% | 2.30 | 2.30 | 2.20 | 2.20 | 2.23 | 2.20 | 116,500 |   |  
            | 4/7/2017 | 0.00 / 0.00% | 2.30 | 2.30 | 2.20 | 2.30 | 2.29 | 2.30 | 109,200 |   |  			
            | 4/5/2017 | -0.10 / -4.17% | 2.40 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 261,800 |   |  
            | 4/4/2017 | +0.10 / +4.35% | 2.40 | 2.40 | 2.30 | 2.40 | 2.30 | 2.40 | 98,900 |   |  			
            | 4/3/2017 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.30 | 2.30 | 2.30 | 222,100 |   |  
            | 3/31/2017 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.30 | 2.38 | 2.30 | 58,510 |   |  			
            | 3/30/2017 | -0.10 / -4.17% | 2.40 | 2.40 | 2.30 | 2.30 | 2.34 | 2.30 | 111,200 |   |  
            | 3/29/2017 | 0.00 / 0.00% | 2.40 | 2.50 | 2.30 | 2.40 | 2.40 | 2.40 | 161,200 |   |  			
            | 3/28/2017 | +0.10 / +4.35% | 2.30 | 2.50 | 2.30 | 2.40 | 2.40 | 2.40 | 317,200 |   |  
            | 3/27/2017 | 0.00 / 0.00% | 2.40 | 2.40 | 2.30 | 2.30 | 2.31 | 2.30 | 332,900 |   |  			
            | 3/24/2017 | 0.00 / 0.00% | 2.40 | 2.50 | 2.30 | 2.30 | 2.30 | 2.30 | 199,010 |   |  
            | 3/23/2017 | -0.10 / -4.17% | 2.40 | 2.50 | 2.30 | 2.30 | 2.37 | 2.30 | 225,002 |   |  			
            | 3/22/2017 | 0.00 / 0.00% | 2.50 | 2.50 | 2.40 | 2.40 | 2.44 | 2.40 | 149,300 |   |  
            | 3/21/2017 | -0.10 / -4.00% | 2.50 | 2.60 | 2.40 | 2.40 | 2.50 | 2.40 | 102,100 |   |  			
            | 3/20/2017 | 0.00 / 0.00% | 2.60 | 2.60 | 2.50 | 2.50 | 2.50 | 2.50 | 323,510 |   |  
            | 3/17/2017 | 0.00 / 0.00% | 2.50 | 2.60 | 2.40 | 2.50 | 2.45 | 2.50 | 318,700 |   |  			
            | 3/16/2017 | -0.10 / -3.85% | 2.60 | 2.60 | 2.40 | 2.50 | 2.49 | 2.50 | 226,200 |   |  
            | 3/15/2017 | +0.10 / +4.00% | 2.50 | 2.70 | 2.50 | 2.60 | 2.57 | 2.60 | 176,000 |   |  			
            | 3/14/2017 | 0.00 / 0.00% | 2.40 | 2.60 | 2.40 | 2.50 | 2.47 | 2.50 | 131,800 |   |  
            | 3/13/2017 | +0.10 / +4.17% | 2.40 | 2.60 | 2.30 | 2.50 | 2.41 | 2.50 | 364,600 |   |  			
            | 3/10/2017 | -0.10 / -4.00% | 2.50 | 2.60 | 2.40 | 2.40 | 2.50 | 2.40 | 299,500 |   |  
            | 3/9/2017 | -0.20 / -7.41% | 2.60 | 2.70 | 2.50 | 2.50 | 2.60 | 2.50 | 403,720 |   |  			
            | 3/8/2017 | 0.00 / 0.00% | 2.60 | 2.70 | 2.50 | 2.70 | 2.70 | 2.70 | 121,400 |   |  
            | 3/7/2017 | 0.00 / 0.00% | 2.70 | 2.70 | 2.50 | 2.70 | 2.60 | 2.70 | 501,330 |   |  			
            | 3/6/2017 | -0.10 / -3.57% | 2.80 | 2.80 | 2.60 | 2.70 | 2.80 | 2.70 | 442,120 |   |  
            | 3/3/2017 | 0.00 / 0.00% | 2.80 | 2.80 | 2.70 | 2.80 | 2.73 | 2.80 | 226,900 |   |  			
            | 3/2/2017 | +0.20 / +7.69% | 2.70 | 2.80 | 2.60 | 2.80 | 2.78 | 2.80 | 1,456,600 |   |  
            | 3/1/2017 | -0.10 / -3.70% | 2.80 | 2.80 | 2.50 | 2.60 | 2.64 | 2.60 | 532,850 |   |  |