Document:

IN
WITNESS WHEREOF, the parties hereto have executed and delivered this Amendement
as of the date first written above.

    

    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                
                                  
                                    
                                      
                                        
                                          
                                            
                                              
                                                
                                                  
                                                    
                                                      
                                                        
                                                          
                                                            
                                                              
                                                                
                                                                  
                                                                    
                                                                      
                                                                        
                                                                          
                                                                            
                                                                              
                                                                                
                                                                                  
                                                                                    
                                                                                      
                                                                                        
                                                                                          
                                                                                            
                                                                                              
                                                                                                
                                                                                                  	 	
                                                                                                          RADNET
      MANAGEMENT, INC.

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          By:

                                                                                                        	
                                                                                                          /s/ Howard G. Berger

                                                                                                        	 
	 	
                                                                                                          Name: 
      Howard
      G. Berger, M.D.

                                                                                                        	 
	 	
                                                                                                          Title: 
      President

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          PRIMEDEX
      HEALTH SYSTEMS, INC.

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          By:

                                                                                                        	
                                                                                                          /s/ Howard G. Berger

                                                                                                        	 
	 	
                                                                                                                
                                                                                                            Name: 
      Howard
      G. Berger, M.D.

                                                                                                          

                                                                                                        	 
	 	
                                                                                                          Title: 
      President

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          BEVERLY
      RADIOLOGY MEDICAL GROUP
III

                                                                                                        
	 	 
      	 
      	 
	 	
                                                                                                          By:
      ProNet Imaging Medical Group, Inc., its
general partner

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          By:

                                                                                                        	
                                                                                                          /s/ Howard G. Berger

                                                                                                        	 
	 	
                                                                                                                
                                                                                                            Name: 
      Howard
      G. Berger, M.D.

                                                                                                          

                                                                                                        	 
	 	
                                                                                                          Title: 
      President

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          By:
      Beverly Radiology Medical Group, Inc., its
general
    partner

                                                                                                        	 
	 	 	 	 
	 	By:	
                                                                                                          /s/ Howard G. Berger

                                                                                                        	 
	 	
                                                                                                                
                                                                                                            Name: 
      Howard
      G. Berger, M.D.

                                                                                                          

                                                                                                        	 
	 	
                                                                                                          Title: 
      President

                                                                                                        	 
	 	 
      	 
      	 
	 	
                                                                                                          PRONET
      IMAGING MEDICAL GROUP, INC.

                                                                                                        
	 	 
      	 
      	 
	 	
                                                                                                          By:

                                                                                                        	
                                                                                                          /s/ Howard G. Berger

                                                                                                        	 
	 	
                                                                                                                
                                                                                                            Name: 
      Howard
      G. Berger, M.D.

                                                                                                          

                                                                                                        	 
	 	
                                                                                                          Title: 
      President

                                                                                                        	 

                                                                                                

                                                                                              

                                                                                            

                                                                                          

                                                                                        

                                                                                      

                                                                                    

                                                                                  

                                                                                

                                                                              

                                                                            

                                                                          

                                                                        

                                                                      

                                                                    

                                                                  

                                                                

                                                              

                                                            

                                                          

                                                        

                                                      

                                                    

                                                  

                                                

                                              

                                            

                                          

                                        

                                      

                                    

                                  

                                

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

     

    
      
        Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                	 	
                                        BEVERLY
      RADIOLOGY MEDICAL GROUP,
INC.

                                      
	 	 
      	 
      	 
	 	
                                        By:

                                      	
                                        /s/ Howard G. Berger

                                      	 
      
	 	
                                              
                                          Name: 
      Howard
      G. Berger, M.D.

                                        

                                      	 
	 	
                                        Title:
      President

                                      	 
	 	 
      	 
      	 
	 	
                                        RADNET
      SUB, INC.

                                      	 
	 	 
      	 
      	 
	 	
                                        By:

                                      	
                                        /s/ Howard G. Berger

                                      	 
      
	 	
                                              
                                          Name: 
      Howard
      G. Berger, M.D.

                                        

                                      	 
	 	
                                        Title:
      President

                                      	 
	 	 
      	 
      	 
	 	
                                        SO
      CAL MR SITE MANAGEMENT, INC.

                                      
	 	 
      	 
      	 
	 	
                                        By:

                                      	
                                        /s/ Howard G. Berger

                                      	 
      
	 	
                                              
                                          Name: 
      Howard
      G. Berger, M.D.

                                        

                                      	 
	 	
                                        Title:
      President

                                      	 
	 	 
      	 
      	 
	 	
                                        RADNET
      MANAGEMENT I, INC.

                                      
	 	 
      	 
      	 
	 	
                                        By:

                                      	
                                        /s/ Howard G. Berger

                                      	 
      
	 	
                                              
                                          Name: 
      Howard
      G. Berger, M.D.

                                        

                                      	 
	 	
                                        Title:
      President

                                      	 

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

    
      
        
          
            
              	 	 	 
	 	
                      RADNET
      MANAGEMENT II, INC.

                    	 
	 	 
      	 
      	 
	 	
                      By:

                    	
                      /s/ Howard G. Berger

                    	 
      
	 	
                            
                        Name: 
      Howard
      G. Berger, M.D.

                      

                    	 
	 	
                      Title:
      President

                    	 

            

          

        
 

    

    
      
        Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                
                                  	
                                        	
                                          RADNET
      MANAGED IMAGING
SERVICES, INC.

                                        	 
	 	 
      	 
      	 
	 	
                                          By:

                                        	
                                          /s/ Howard G. Berger

                                        	 
      
	 	
                                                
                                            Name: 
      Howard
      G. Berger, M.D.

                                          

                                        	 
	 	
                                          Title:
      President

                                        	 
	 	 
      	 
      	 
	 	
                                          DIAGNOSTIC
      IMAGING SERVICES, INC.

                                        	 
	 	 
      	 
      	 
	 	
                                          By:

                                        	
                                          /s/ Howard G. Berger

                                        	  
	 	
                                                
                                            Name: 
      Howard
      G. Berger, M.D.

                                          

                                        	 
	 	
                                          Title:
      Chief Financial
    Officer

                                        	 
	 	 
      	 
      	 
	 	
                                          RADIOLOGIX,
      INC.

                                        	 
	 	 
      	 
      	 
	 	
                                          By:

                                        	
                                          /s/ Howard G. Berger

                                        	  
	 	
                                                
                                            Name: 
      Howard
      G. Berger, M.D.

                                          

                                        	 
	 	
                                          Title:
      President

                                        	 
	 	 
      	 
      	 
	 	
                                          ADVANCED
      IMAGING PARTNERS, INC.

                                        	 
	 	 
      	 
      	 
	 	
                                          By:

                                        	
                                          /s/ Howard G. Berger

                                        	  
	 	
                                                
                                            Name: 
      Howard
      G. Berger, M.D.

                                          

                                        	 
	 	
                                          Title:
      President

                                        	 

                                

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

    
      
        
          
            	 	 	 
	 	
                    IDE
      IMAGING PARTNERS, INC.

                  	 
	 	 
      	 
      	 
	 	
                    By:

                  	
                    /s/ Howard G. Berger

                  	 
      
	 	
                          
                      Name: 
      Howard
      G. Berger, M.D.

                    

                  	 
	 	
                    Title:
      President

                  	 

          

        

      

    

     

    
      
        Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      
        
          
            
              
                
                  	
                        	
                          MID
      ROCKLAND IMAGING PARTNERS,
INC.

                        	 
	 	 
      	 
      	 
	 	
                          By:

                        	
                          /s/ Howard G. Berger

                        	 
      
	 	
                                
                            Name: 
      Howard
      G. Berger, M.D.

                          

                        	 
	 	
                          Title:
      President

                        	 
	 	 
      	 
      	 
	 	
                          PACIFIC
      IMAGING PARTNERS, INC.

                        	 
	 	 
      	 
      	 
	 	
                          By:

                        	
                          /s/ Howard G. Berger

                        	 
      
	 	
                                
                            Name: 
      Howard
      G. Berger, M.D.

                          

                        	 
	 	
                          Title:
      President

                        	 
	 	 
      	 
      	 
	 	
                          QUESTAR
      IMAGING, INC.

                        	 
	 	 
      	 
      	 
	 	
                          By:

                        	
                          /s/ Howard G. Berger

                        	 
      
	 	
                                
                            Name: 
      Howard
      G. Berger, M.D.

                          

                        	 
	 	
                          Title:
      President

                        	 
	 	 
      	 
      	 
	 	
                          TREASURE
      COAST IMAGING PARTNERS,
INC.

                        	 
	 	 
      	 
      	 
	 	
                          By:

                        	
                          /s/ Howard G. Berger

                        	 
      
	 	
                                
                            Name: 
      Howard
      G. Berger, M.D.

                          

                        	 
	 	
                          Title:
      President

                        	 

                

              

            

          

        

      

      
        
          
            	 	 	 
	 	
                    COMMUNITY IMAGING
      PARTNERS, INC.

                  	 
	 	 
      	 
      	 
	 	
                    By:

                  	
                    /s/ Howard G. Berger

                  	  
	 	
                          
                      Name: 
      Howard
      G. Berger, M.D.

                    

                  	 
	 	
                    Title:
      President

                  	 

          

        

      

    

     

    
      
        
          Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

       

    

    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            
                              
                                
                                  
                                    
                                      
                                        
                                          
                                            
                                              
                                                
                                                  
                                                    
                                                      
                                                        
                                                          
                                                            
                                                              
                                                                
                                                                  
                                                                    
                                                                      
                                                                        
                                                                          
                                                                            
                                                                              	 	
                                                                                      RADIOLOGY
      AND NUCLEAR MEDICINE

                                                                                    	 
	 	
                                                                                      IMAGING
      PARTNERS, INC.

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      By:

                                                                                    	
                                                                                      /s/ Howard G. Berger

                                                                                    	 
       
	 	
                                                                                            
                                                                                        Name: 
      Howard
      G. Berger, M.D.

                                                                                      

                                                                                    	 
	 	
                                                                                      Title:
      President

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      VALLEY
      IMAGING PARTNERS, INC.

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      By:

                                                                                    	
                                                                                      /s/ Howard G. Berger

                                                                                    	 
      
	 	
                                                                                            
                                                                                        Name: 
      Howard
      G. Berger, M.D.

                                                                                      

                                                                                    	 
	 	
                                                                                      Title:
      President

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      QUESTAR
      DULUTH, INC.

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      By:

                                                                                    	
                                                                                      /s/ Howard G. Berger

                                                                                    	  
	 	
                                                                                            
                                                                                        Name: 
      Howard
      G. Berger, M.D.

                                                                                      

                                                                                    	 
	 	
                                                                                      Title:
      President

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      QUESTAR
      LOS ALAMITOS, INC.

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      By:

                                                                                    	
                                                                                      /s/ Howard G. Berger

                                                                                    	 
      
	 	
                                                                                            
                                                                                        Name: 
      Howard
      G. Berger, M.D.

                                                                                      

                                                                                    	 
	 	
                                                                                      Title:
      President

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      QUESTAR
      VICTORVILLE, INC.

                                                                                    	 
	 	 
      	 
      	 
	 	
                                                                                      By:

                                                                                    	
                                                                                      /s/ Howard G. Berger

                                                                                    	 
      
	 	
                                                                                            
                                                                                        Name: 
      Howard
      G. Berger, M.D.

                                                                                      

                                                                                    	 
	 	
                                                                                      Title:
      President

                                                                                    	 

                                                                            

                                                                          

                                                                        

                                                                      

                                                                    

                                                                  

                                                                

                                                              

                                                            

                                                          

                                                        

                                                      

                                                    

                                                  

                                                

                                              

                                            

                                          

                                        

                                      

                                    

                                  

                                

                              

                            

                          

                        

                      

                    

                  

                

              

            

          

        
 

        
          
            Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

             

          

          
            
            

            
              

            

          

          
             

          

        
 

      
        
          
            
              
                
                  
                    
                      
                        	 	
                                ROCKY
      MOUNTAIN OPENSCAN MRI, LLC

                              
	 	 
      	 
	 	
                                By:

                              	
                                /s/
      Howard G. Berger

                              	 
      
	 	
                                      
                                  Name: 
      Howard
      G. Berger, M.D.

                                

                              	 
	 	
                                Title:
      President

                              	 
	 	 
      	 
	 	
                                FRI,
      INC.

                              	 
	 	 
      	 
	 	
                                By:

                              	
                                /s/
      Howard G. Berger

                              	 
      
	 	
                                      
                                  Name: 
      Howard
      G. Berger, M.D.

                                

                              	 
	 	
                                Title:
      President

                              	 

                      

                    

                  

                

              

            

          

        

      

       

      
        
          Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

           

        

        
          
          

          
            

          

        

        
           

        

      

    

     

    
      
        
          
            
              
                
                  
                    
                      
                        	 	
                                GENERAL
      ELECTRIC CAPITAL
CORPORATION,

                              	 
	 	as
      Agent  	 
	 	 	 
	 
      	
                                By:

                              	/s/ General
      Electric Capital Corporation	 
       
	 
      	 	
                                Duly
      Authorized Signatory

                              	 
      

                      

                    

                  

                

              

            

          

        

      

    

     

    
      
        Signature
Page to Amendment No. 2 to Second Lien Credit Agreement

        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    
      
        
          
            
              
                
                  
                    
                      
                        
                          
                            	 	
                                    [INSERT
      NAME OF LENDER], as a
      Lender

                                  	 
	 	 
      	 
	 	
                                    By:

                                  	
                                     
      

                                  	 
       
	 	Name:	  
      	 
       
	 	Title:	  
      	 
       

                          

                        

                      

                    

                  

                

              

            

          

        

      

    

     

    
      
        Signature
Page to Amendment No. 2 to Second Lien Credit AgreementUnassociated Document

      

      

      

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

       

    

    IN
WITNESS WHEREOF, the parties hereto have executed and delivered this Amendment
as of the date first written above.

    

    
      	 
      	
              RADNET
      MANAGEMENT, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:  
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADNET,
      INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              BEVERLY
      RADIOLOGY MEDICAL GROUP III

            
	 
      	 
      	 
      
	 
      	
              By:
      ProNet Imaging Medical Group, Inc., its general partner

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              By:
      Beverly Radiology Medical Group, Inc., its general
  partner

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              PRONET
      IMAGING MEDICAL GROUP, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

       

    

    
      	 
      	
              BEVERLY
      RADIOLOGY MEDICAL GROUP, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name: 
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADNET
      SUB, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              SO
      CAL MR SITE MANAGEMENT, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADNET
      MANAGEMENT I, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADNET
      MANAGEMENT II, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADNET
      MANAGED IMAGING

            
	 
      	
              SERVICES,
      INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            

    

    
       

       

      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

    

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

       

    

    
      	 
      	
              DIAGNOSTIC
      IMAGING SERVICES, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name: 
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADIOLOGIX,
      INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              ADVANCED
      IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              IDE
      IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              MID
      ROCKLAND IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            

    

    
       

       

      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

     

    
      	 
      	
              PACIFIC
      IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name: 
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              QUESTAR
      IMAGING, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              TREASURE
      COAST IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              COMMUNITY
      IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              RADIOLOGY
      AND NUCLEAR MEDICINE IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            

    

     

     

    
      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

     

    
      	 
      	
              VALLEY
      IMAGING PARTNERS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:  
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              QUESTAR
      DULUTH, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              QUESTAR
      LOS ALAMITOS, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              QUESTAR
      VICTORVILLE, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              ROCKY
      MOUNTAIN OPENSCAN MRI, LLC

            
	 
      	 
      	 
      
	 
      	
              By:

            	 
      
	 
      	
              Name:

            	 
      
	 
      	
              Title:

            	 
      

    

     

     

    
      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

      

    

     

    
      	 
      	
              FRI,
      INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:  
      

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            
	 
      	 
      	 
      
	 
      	 
      	 
      
	 
      	
              FRI
      II, INC.

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      Howard G. Berger

            
	 
      	
              Name:

            	
              Howard
      G. Berger, M.D.

            
	 
      	
              Title:

            	
              President

            

    

     

     

    
      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

         

      

    

    
      	 
      	
              GENERAL
      ELECTRIC CAPITAL

            
	 
      	
              CORPORATION,

            
	 
      	
              as
      Agent and a Lender

            
	 
      	 
      	 
      
	 
      	
              By:

            	
              /s/
      General Electric Capital Corporation

            
	 
      	 
      	
              Duly
      Authorized Signatory

            

    

     

     

    
      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

      
        
          
          

        

        
          
          

          
            

          

        

        
          
          

        

         

      

    

    
      	 
      	
              [INSERT
      NAME OF LENDER], as a Lender

            
	 
      	 
      	 
      
	 
      	
              By:

            	 
      
	 
      	
              Name:

            	 
      
	 
      	
              Title:

            	 
      

    

    

     

    
      Signature
Page to Amendment No. 4 to Second Lien Credit Agreement

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00170-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00170-of-00352.parquet"}]]