FORM 8.3

               PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY            

        A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE     

                      Rule 8.3 of the Takeover Code (the "Code")                   

    1.         KEY INFORMATION

    (a) Full name of discloser:                                                                                                HGC Arbitrage Fund LP                                                          
                                                                                                                                                                                                              
    (b) Owner or controller of interests and short positions disclosed, if                                                     HGC Investment Management Inc.                                                 
    different from 1(a):                                                                                                                                                                                      
         The naming of nominee or vehicle companies is insufficient.  For a trust,                                                                                                                            
    the trustee(s), settlor and beneficiaries must be named.                                                                                                                                                  
                                                                                                                                                                                                              
    (c) Name of offeror in relation to whose relevant securities this form relates:                                            Sandstorm Gold Ltd                                                             
         Use a separate form for each offeror                                                                                                                                                                 
                                                                                                                                                                                                              
    (d) If an exempt fund manager connected with an offeror, state this and specify                                                                                                                           
    identity of offeror:                                                                                                                                                                                      
                                                                                                                                                                                                              
    (e) Date position held/dealing undertaken:                                                                                 May-25-2017                                                                    
         For an opening position disclosure, state the latest practicable date                                                                                                                                
    prior to the disclosure                                                                                                                                                                                   
                                                                                                                                                                                                              
    (f)  In addition to the company in 1(c) above, is the discloser making                                                     N/A                                                                            
    disclosures in respect of any other party to the offer?                                                                                                                                                   
         If it is a cash offer or possible cash offer, state "N/A"                                                                                                                                            

    2.         POSITIONS OF THE PERSON MAKING THE DISCLOSURE

    If there are positions or rights to subscribe to disclose in more than one
    class of relevant securities of the offeror or offeree named in 1(c), copy
    table 2(a) or (b) (as appropriate) for each additional class of relevant
    security.

    (a)        Interests and short positions in the relevant securities of the
    offeror or offeree to which the disclosure relates following the dealing (if
    any)

    Class of relevant security:                                                                                                          Common shares NPV                                                    
                                                                                                                                                                                                              
                                                                                                              Interests                                                 Short positions                       
                                                                                                                                                                                                              
                                                                                                        Number                           %                          Number                           %        
                                                                                                                                                                                                              
    (1) Relevant securities owned and/or controlled:                                                                                                              1,761,336                        1.159      
                                                                                                                                                                                                              
    (2) Cash-settled derivatives:                                                                                                                                                                             
                                                                                                                                                                                                              
    (3) Stock-settled derivatives (including options) and agreements to purchase/                                                                                                                             
    sell:                                                                                                                                                                                                     
                                                                                                                                                                                                              
    TOTAL                                                                                                                                                         1,761,336                        1.159      

    All interests and all short positions should be disclosed.

    Details of any open stock-settled derivative positions (including traded
    options), or agreements to purchase or sell relevant securities, should be
    given on a Supplemental Form 8 (Open Positions).

    (b)        Rights to subscribe for new securities (including directors' and
    other employee options)

    Class of relevant security in relation to which subscription right exists:                                                                                                                                
                                                                                                                                                                                                              
    Details, including nature of the rights concerned and relevant percentages:                                                                                                                               

    3.         DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

    Where there have been dealings in more than one class of relevant securities of
    the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as
    appropriate) for each additional class of relevant security dealt in.

    The currency of all prices and other monetary amounts should be stated.

    (a)        Purchases and sales

               Class of relevant security                               Purchase/sale                                 Number of securities                                 Price per unit                  
                                                                                                                                                                                                           
    Common shares NPV                                                                                   18,000                                            $4.61 CAD                                        
                                                      Sale                                                                                                                                                 

    (b)        Cash-settled derivative transactions

          Class of relevant security             Product description                            Nature of dealing                       Number of reference securities           Price per unit          
                                                       e.g. CFD              e.g. opening/closing a long/short position, increasing/                                                                     
                                                                                          reducing a long/short position                                                                                 
                                                                                                                                                                                                         

    (c)        Stock-settled derivative transactions (including options)

    (i)         Writing, selling, purchasing or varying

      Class of relevant    Product description  e.g.   Writing, purchasing, selling, Number of securities to    Exercise price per           Type              Expiry date        Option money paid/  
          security                call option                  varying etc.            which option relates            unit             e.g. American,                            received per unit   
                                                                                                                                        European etc.                                                 
                                                                                                                                                                                                      

    (ii)        Exercise

          Class of relevant security                  Product description                Exercising/ exercised against               Number of securities                   Exercise price per unit        
                                                       e.g. call option                                                                                                                                    
                                                                                                                                                                                                           

    (d)        Other dealings (including subscribing for new securities)

             Class of relevant security                                 Nature of dealing                                             Details                          Price per unit (if applicable)      
                                                                  e.g. subscription, conversion                                                                                                            
                                                                                                                                                                                                           

    4.         OTHER INFORMATION

    (a)        Indemnity and other dealing arrangements

    Details of any indemnity or option arrangement, or any agreement or                                                                                                                                        
    understanding, formal or informal, relating to relevant securities which may be                                                                                                                            
    an inducement to deal or refrain from dealing entered into by the person making                                                                                                                            
    the disclosure and any party to the offer or any person acting in concert with                                                                                                                             
    a party to the offer:                                                                                                                                                                                      
    Irrevocable commitments and letters of intent should not be included.  If there                                                                                                                            
    are no such agreements, arrangements or understandings, state "none"                                                                                                                                       
                                                                                                                                                                                                               
                                                                                                                                                                                                               
    None                                                                                                                                                                                                       

    (b)        Agreements, arrangements or understandings relating to options or
    derivatives

    Details of any agreement, arrangement or understanding, formal or informal,                                                                                                                                
    between the person making the disclosure and any other person relating to:                                                                                                                                 
    (i)  the voting rights of any relevant securities under any option; or                                                                                                                                     
    (ii) the voting rights or future acquisition or disposal of any relevant                                                                                                                                   
    securities to which any derivative is referenced:                                                                                                                                                          
    If there are no such agreements, arrangements or understandings, state "none"                                                                                                                              
                                                                                                                                                                                                               
                                                                                                                                                                                                               
    None                                                                                                                                                                                                       

    (c)        Attachments

    Is a Supplemental Form 8 (Open Positions) attached?                                                                                                                                   NO                  

       

    Date of disclosure:                                                                                  May-26-2017                                                                                         
                                                                                                                                                                                                             
    Contact name:                                                                                        Osie Ukwuoma                                                                                        
                                                                                                                                                                                                             
    Telephone number:                                                                                    +1 647 776 2194                                                                                     

    Public disclosures under Rule 8 of the Code must be made to a Regulatory
    Information Service.

    The Panel's Market Surveillance Unit is available for consultation in relation
    to the Code's disclosure requirements on +44 (0)20 7638 0129.

    The Code can be viewed on the Panel's website at  www.thetakeoverpanel.org.uk .