TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES                                                                
                                                                                                                  
    1. Identity of the issuer or the underlying issuer                                 The Investment Co plc (INV)
    of existing shares to which voting rights are                                                                 
    attached:                                                                                                     
                                                                                                                  
    2. Reason for the notification (please tick the appropriate box or boxes):                                    
                                                                                                                  
    An acquisition or disposal of voting rights                                                          x        
                                                                                                                  
    An acquisition or disposal of qualifying financial instruments which may result                               
    in the acquisition of shares already issued to which voting rights are attached                               
                                                                                                                  
    An acquisition or disposal of instruments with similar economic effect to                                     
    qualifying financial instruments                                                                              
                                                                                                                  
    An event changing the breakdown of voting rights                                                              
                                                                                                                  
    Other (please specify):                                                                                       
                                                                                                                  
    3. Full name of person(s) subject to the                                         Philip J Milton & Company Plc
    notification obligation:                                                                                      
                                                                                                                  
    4. Full name of shareholder(s)                                                                                
     (if different from 3.):                                                                                      
                                                                                                                  
    5. Date of the transaction and date on                                                            14 June 2017
    which the threshold is crossed or                                                                             
    reached:                                                                                                      
                                                                                                                  
    6. Date on which issuer notified:                                                                 30 June 2017
                                                                                                                  
    7. Threshold(s) that is/are crossed or                                                                      3%
    reached:                                                                                                      
                                                                                                                  
    8. Notified details:                                                                                          
                                                                                                                  
    A: Voting rights attached to shares                                                                           
                                                                                                                  
    Class/type of   Situation previous       Resulting situation after the triggering transaction                 
    shares          to the triggering                                                                             
                    transaction                                                                                   
    if possible                                                                                                   
    using           Number       Number      Number        Number of voting       % of  voting rights             
    the ISIN CODE   of           of          of shares     rights                                                 
                    Shares       Voting                                                                           
                                 Rights      Direct        Direct      Indirect   Direct      Indirect            
                                                                                                                  
    GB0004658257    142458       142458      146908        146908                 3.08%                           
                                                                                                                  
    B: Qualifying Financial Instruments                                                                           
                                                                                                                  
    Resulting situation after the triggering transaction                                                          
                                                                                                                  
    Type of financial       Expiration Exercise/                 Number of voting           % of voting             
    instrument                       Conversion Period         rights that may be         rights                  
                            date                               acquired if the                                    
                                                               instrument is                                      
                                                               exercised/ converted.                              
                                                                                                                  
    C: Financial Instruments with similar economic effect to Qualifying Financial                                 
    Instruments                                                                                                   
                                                                                                                  
    Resulting situation after the triggering transaction                                                          
                                                                                                                  
    Type of financial   Exercise Expiration Exercise/         Number of voting rights    % of voting rights          
    instrument          price    date    Conversion period instrument refers to                                   
                                                                                                                  
                                                                                      Nominal         Delta       
                                                                                                                  
    Total (A+B+C)                                                                                                 
                                                                                                                  
    Number of voting rights                             Percentage of voting rights                               
                                                                                                                  
    146908                                              3.08%                                                     
                                                                                                                  
    9. Chain of controlled undertakings through which the voting rights and/or the                                
    financial instruments are effectively held, if applicable:                                                    
                                                                                                                  
    Proxy Voting:                                                                                                 
                                                                                                                  
    10. Name of the proxy holder:                                                                                 
                                                                                                                  
    11. Number of voting rights proxy holder will cease                                                           
    to hold:                                                                                                      
                                                                                                                  
    12. Date on which proxy holder will cease to hold                                                             
    voting rights:                                                                                                
                                                                                                                  
                                                                                                                  
    13. Additional information:                                                                                   
                                                                                                                  
    14. Contact name:                                                                               Aidan McCarthy
                                                                                                                  
    15. Contact telephone number:                                                                                 
                                                                                                      01271 344300