Exhibit 99.4



CERTIFICATION PURSUANT TO
18 U.S.C. §1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the
annual report of Sandstorm Gold Ltd. (the “Company”) on Form 40-F for the period ended December 31, 2016
as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Nolan Watson, Chief
Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:



(1)	the Report fully
complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and



(2)	the information
contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



|Date: March 29,2017 |                        
|------------------- | -----------------------
|                    |                        
|                    | /s/ Nolan Watson       
|                    | Nolan Watson           
|                    | Chief Executive Officer



A signed original of this
written statement required by Section 906 has been provided to Sandstorm Gold Ltd. and will be retained by Sandstorm Gold
Ltd. and furnished to the Securities and Exchange Commission or its staff upon request.



This certification accompanies
the annual report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley
Act of 2002, be deemed filed by the Registrant for purposes of §18 of the Securities Exchange Act of 1934, as amended.











CERTIFICATION PURSUANT TO
18 U.S.C. §1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the
annual report of Sandstorm Gold Ltd. (the “Company”) on Form 40-F for the period ended December 31, 2016
as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Erfan Kazemi, Chief
Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:



(1)	the Report fully
complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and



(2)	the information
contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.



|Date: March 29, 2017 |                        
|-------------------- | -----------------------
|                     |                        
|                     | /s/ Erfan Kazemi       
|                     | Erfan Kazemi           
|                     | Chief Financial Officer



A signed original of this
written statement required by Section 906 has been provided to Sandstorm Gold Ltd. and will be retained by Sandstorm Gold
Ltd. and furnished to the Securities and Exchange Commission or its staff upon request.



This certification accompanies
the annual report pursuant to §906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley
Act of 2002, be deemed filed by the Registrant for purposes of §18 of the Securities Exchange Act of 1934, as amended.